Kualitas udara di Amsterdam

Indeks kualitas udara (AQI⁺) dan polusi udara PM2.5 di Amsterdam • 549.8K Pengikut • 22.00, Jun 05 Waktu setempat

28

AQI⁺ US

Baik

face expression based on aqi value

Polutan utama:

O₃

67.8 µg/m³

weather condition icon

15°

wind direction icon

5 km/h

weather humid icon

79 %

Prakiraan per jam

Prakiraan indeks kualitas udara (AQI⁺) Amsterdam

Sekarang

28

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 221 derajat

5

km/h

Ikon kelembapan

79%

23.00

28

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 196 derajat

5

km/h

Ikon kelembapan

82%

Sab

00.00

27

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 193 derajat

6

km/h

Ikon kelembapan

81%

01.00

27

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 189 derajat

6

km/h

Ikon kelembapan

78%

02.00

32

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 196 derajat

6

km/h

Ikon kelembapan

78%

03.00

33

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 166 derajat

5

km/h

Ikon kelembapan

78%

04.00

34

Ikon Cuaca

12°

Peta Kualitas Udara IQAir AirVisual Angin berputar 169 derajat

6

km/h

Ikon kelembapan

81%

05.00

42

Ikon Cuaca

12°

Peta Kualitas Udara IQAir AirVisual Angin berputar 166 derajat

7

km/h

Ikon kelembapan

85%

06.00

44

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 161 derajat

8

km/h

Ikon kelembapan

90%

07.00

46

Ikon Cuaca

13°

Peta Kualitas Udara IQAir AirVisual Angin berputar 155 derajat

8

km/h

Ikon kelembapan

89%

08.00

50

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 156 derajat

10

km/h

Ikon kelembapan

85%

09.00

52

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 160 derajat

11

km/h

Ikon kelembapan

78%

10.00

54

Ikon Cuaca

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 171 derajat

13

km/h

Ikon kelembapan

72%

11.00

53

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 173 derajat

14

km/h

Ikon kelembapan

65%

12.00

53

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 191 derajat

17

km/h

Ikon kelembapan

59%

13.00

53

Ikon Cuaca

90%

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 186 derajat

14

km/h

Ikon kelembapan

63%

14.00

42

Ikon Cuaca

90%

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 182 derajat

15

km/h

Ikon kelembapan

64%

15.00

42

Ikon Cuaca

90%

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 177 derajat

16

km/h

Ikon kelembapan

65%

16.00

42

Ikon Cuaca

90%

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 174 derajat

18

km/h

Ikon kelembapan

65%

17.00

39

Ikon Cuaca

90%

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 181 derajat

15

km/h

Ikon kelembapan

76%

18.00

39

Ikon Cuaca

90%

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 186 derajat

15

km/h

Ikon kelembapan

74%

19.00

39

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 200 derajat

18

km/h

Ikon kelembapan

69%

20.00

29

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 199 derajat

17

km/h

Ikon kelembapan

71%

21.00

29

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 205 derajat

15

km/h

Ikon kelembapan

84%

22.00

29

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 183 derajat

13

km/h

Ikon kelembapan

84%

23.00

26

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 197 derajat

17

km/h

Ikon kelembapan

76%

Min

00.00

26

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 194 derajat

17

km/h

Ikon kelembapan

76%

01.00

26

Ikon Cuaca

90%

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 197 derajat

18

km/h

Ikon kelembapan

86%

02.00

23

Ikon Cuaca

90%

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 200 derajat

18

km/h

Ikon kelembapan

90%

03.00

23

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 233 derajat

22

km/h

Ikon kelembapan

85%

04.00

23

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 240 derajat

24

km/h

Ikon kelembapan

83%

05.00

24

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 244 derajat

24

km/h

Ikon kelembapan

82%

06.00

24

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 250 derajat

23

km/h

Ikon kelembapan

83%

07.00

24

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 253 derajat

21

km/h

Ikon kelembapan

82%

08.00

22

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 255 derajat

21

km/h

Ikon kelembapan

81%

09.00

22

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 259 derajat

21

km/h

Ikon kelembapan

79%

10.00

22

Ikon Cuaca

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 256 derajat

20

km/h

Ikon kelembapan

74%

11.00

26

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 252 derajat

20

km/h

Ikon kelembapan

66%

12.00

26

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 251 derajat

21

km/h

Ikon kelembapan

65%

13.00

26

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 254 derajat

23

km/h

Ikon kelembapan

65%

14.00

20

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 248 derajat

22

km/h

Ikon kelembapan

69%

15.00

20

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 243 derajat

21

km/h

Ikon kelembapan

67%

16.00

20

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 244 derajat

20

km/h

Ikon kelembapan

67%

17.00

21

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 243 derajat

20

km/h

Ikon kelembapan

67%

18.00

21

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 242 derajat

18

km/h

Ikon kelembapan

70%

19.00

21

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 239 derajat

16

km/h

Ikon kelembapan

67%

20.00

22

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 232 derajat

14

km/h

Ikon kelembapan

72%

21.00

22

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 225 derajat

12

km/h

Ikon kelembapan

71%

22.00

22

Ikon Cuaca

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 222 derajat

10

km/h

Ikon kelembapan

75%

23.00

41

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 216 derajat

8

km/h

Ikon kelembapan

79%

Sen

00.00

41

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 204 derajat

8

km/h

Ikon kelembapan

82%

01.00

41

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 194 derajat

8

km/h

Ikon kelembapan

85%

02.00

53

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 188 derajat

8

km/h

Ikon kelembapan

88%

03.00

53

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 177 derajat

8

km/h

Ikon kelembapan

89%

04.00

53

Ikon Cuaca

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 181 derajat

9

km/h

Ikon kelembapan

88%

05.00

54

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 193 derajat

8

km/h

Ikon kelembapan

87%

06.00

54

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 174 derajat

8

km/h

Ikon kelembapan

87%

07.00

54

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 174 derajat

10

km/h

Ikon kelembapan

85%

08.00

51

Ikon Cuaca

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 170 derajat

10

km/h

Ikon kelembapan

81%

09.00

51

Ikon Cuaca

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 171 derajat

11

km/h

Ikon kelembapan

77%

10.00

51

Ikon Cuaca

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 158 derajat

11

km/h

Ikon kelembapan

73%

11.00

52

Ikon Cuaca

18°

Peta Kualitas Udara IQAir AirVisual Angin berputar 167 derajat

12

km/h

Ikon kelembapan

68%

12.00

52

Ikon Cuaca

19°

Peta Kualitas Udara IQAir AirVisual Angin berputar 159 derajat

12

km/h

Ikon kelembapan

63%

13.00

52

Ikon Cuaca

21°

Peta Kualitas Udara IQAir AirVisual Angin berputar 181 derajat

14

km/h

Ikon kelembapan

57%

14.00

52

Ikon Cuaca

22°

Peta Kualitas Udara IQAir AirVisual Angin berputar 191 derajat

17

km/h

Ikon kelembapan

51%

15.00

52

Ikon Cuaca

22°

Peta Kualitas Udara IQAir AirVisual Angin berputar 204 derajat

16

km/h

Ikon kelembapan

48%

16.00

52

Ikon Cuaca

90%

21°

Peta Kualitas Udara IQAir AirVisual Angin berputar 237 derajat

17

km/h

Ikon kelembapan

54%

17.00

52

Ikon Cuaca

90%

17°

Peta Kualitas Udara IQAir AirVisual Angin berputar 257 derajat

17

km/h

Ikon kelembapan

82%

18.00

52

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 237 derajat

13

km/h

Ikon kelembapan

89%

19.00

52

Ikon Cuaca

90%

16°

Peta Kualitas Udara IQAir AirVisual Angin berputar 237 derajat

15

km/h

Ikon kelembapan

87%

20.00

52

Ikon Cuaca

90%

15°

Peta Kualitas Udara IQAir AirVisual Angin berputar 248 derajat

19

km/h

Ikon kelembapan

87%

21.00

52

Ikon Cuaca

80%

14°

Peta Kualitas Udara IQAir AirVisual Angin berputar 250 derajat

17.7

km/h

Ikon kelembapan

86%

Prakiraan setiap hari

|

Prakiraan indeks kualitas udara (AQI⁺) Amsterdam

Polutan udara

Berapa kualitas udara saat ini di dekat Amsterdam?

Ikon centang IQAir

Konsentrasi PM2.5 saat ini memenuhi nilai panduan kualitas udara tahunan WHO.

Rekomendasi kesehatan

lindungi dirimu dari polusi udara di Amsterdam

SHOP IQAIR PRODUCTS

Memantau udara yang Anda hirup

Dapatkan pembacaan kualitas udara AirVisual yang akurat dan wawasan waktu nyata untuk udara yang lebih bersih. Monitor yang menunjukkan sumber polusi, menyoroti kapan penggunaan pembersih udara diperlukan.

AirVisual Series

Pembersih udara kelas medis

Dipercaya di seluruh dunia, HealthPro Series menggunakan teknologi HyperHEPA. Menyaring partikel sangat halus yang tidak dapat disaring oleh pembersih udara lainnya, memberikan perlindungan tingkat medis.

HealthPro Series

Pembersih udara yang kuat dan penuh gaya

Ringkas dan bertenaga, Seri Atem memadukan rekayasa Swiss dengan pemurnian udara berkinerja tinggi, menyaring partikel sangat halus dengan teknologi HyperHEPA.

Seri Atem

Serbuk sari

Berapa jumlah serbuk sari di Amsterdam hari ini?

Indeks

Ikon global serbuk sari

Rendah

Ikon tree serbuk sari

Pohon

Tidak ada

0%
Ikon grass serbuk sari

Rumput

Rendah

25%
Ikon weed serbuk sari

Gulma

Tidak ada

0%
Prakiraan serbuk sari di Amsterdam

Rekomendasi kesehatan

Serbuk sari

Berapa jumlah serbuk sari di Amsterdam hari ini?

Indeks

Ikon global serbuk sari

Rendah

Ikon tree serbuk sari

Pohon

Tidak ada

0%
Ikon grass serbuk sari

Rumput

Rendah

25%
Ikon weed serbuk sari

Gulma

Tidak ada

0%
Prakiraan serbuk sari di Amsterdam

lindungi dirimu dari polusi udara di Amsterdam

SHOP IQAIR PRODUCTS

Memantau udara yang Anda hirup

Dapatkan pembacaan kualitas udara AirVisual yang akurat dan wawasan waktu nyata untuk udara yang lebih bersih. Monitor yang menunjukkan sumber polusi, menyoroti kapan penggunaan pembersih udara diperlukan.

AirVisual Series

Pembersih udara kelas medis

Dipercaya di seluruh dunia, HealthPro Series menggunakan teknologi HyperHEPA. Menyaring partikel sangat halus yang tidak dapat disaring oleh pembersih udara lainnya, memberikan perlindungan tingkat medis.

HealthPro Series

Pembersih udara yang kuat dan penuh gaya

Ringkas dan bertenaga, Seri Atem memadukan rekayasa Swiss dengan pemurnian udara berkinerja tinggi, menyaring partikel sangat halus dengan teknologi HyperHEPA.

Seri Atem

Lokasi paling berpolusi dekat Amsterdam

Rangking AQI⁺ Seluruh DuniaArrow icon

Ranking stasiun

Ranking stasiun AQI⁺ real-time untuk stasiun di Amsterdam

#StasiunAQI⁺ US
1
Bendera nasional Netherlands

Amsterdam-Jan van Galenstraat

28

2
Bendera nasional Netherlands

Amsterdam-Vondelpark

28

3
Bendera nasional Netherlands

Amsterdam-Nieuwendammerdijk

27

4
Bendera nasional Netherlands

Amsterdam-Van Diemenstraat

25

5
Bendera nasional Netherlands

Amsterdam-Westerpark

22

6
Bendera nasional Netherlands

Amsterdam-Einsteinweg

18

7
Bendera nasional Netherlands

Amsterdam-Stadhouderskade

14

8
Bendera nasional Netherlands

SluisHuis

11

Rangking kota

Ranking kota Netherlands AQI⁺ waktu nyata

#KotaAQI⁺ US
1
Bendera nasional Netherlands

Breda, North Brabant

39

2
Bendera nasional Netherlands

Den Haag, South Holland

39

3
Bendera nasional Netherlands

Arnhem, ‎Gelderland

31

4
Bendera nasional Netherlands

Amsterdam, North Holland

28

5
Bendera nasional Netherlands

Groningen, Groningen

28

6
Bendera nasional Netherlands

Wijk aan Zee, North Holland

26

7
Bendera nasional Netherlands

Utrecht, Utrecht

25

8
Bendera nasional Netherlands

Maastricht, Limburg

24

9
Bendera nasional Netherlands

Rotterdam, South Holland

24

10
Bendera nasional Netherlands

Hoofddorp, North Holland

22

Riwayat

Grafik riwayat kualitas udara untuk Amsterdam

11 AQI⁺ US
Baik
21.00–22.00 05 Jun Waktu setempat
AQI⁺ US

Riwayat

Grafik riwayat kualitas udara untuk Amsterdam

11 AQI⁺ US
Baik
21.00–22.00 05 Jun Waktu setempat
AQI⁺ US

Lokasi paling berpolusi dekat Amsterdam

Rangking AQI⁺ Seluruh DuniaArrow icon

Ranking stasiun

Ranking stasiun AQI⁺ real-time untuk stasiun di Amsterdam

#StasiunAQI⁺ US
1
Bendera nasional Netherlands

Amsterdam-Jan van Galenstraat

28

2
Bendera nasional Netherlands

Amsterdam-Vondelpark

28

3
Bendera nasional Netherlands

Amsterdam-Nieuwendammerdijk

27

4
Bendera nasional Netherlands

Amsterdam-Van Diemenstraat

25

5
Bendera nasional Netherlands

Amsterdam-Westerpark

22

6
Bendera nasional Netherlands

Amsterdam-Einsteinweg

18

7
Bendera nasional Netherlands

Amsterdam-Stadhouderskade

14

8
Bendera nasional Netherlands

SluisHuis

11

Rangking kota

Ranking kota Netherlands AQI⁺ waktu nyata

#KotaAQI⁺ US
1
Bendera nasional Netherlands

Breda, North Brabant

39

2
Bendera nasional Netherlands

Den Haag, South Holland

39

3
Bendera nasional Netherlands

Arnhem, ‎Gelderland

31

4
Bendera nasional Netherlands

Amsterdam, North Holland

28

5
Bendera nasional Netherlands

Groningen, Groningen

28

6
Bendera nasional Netherlands

Wijk aan Zee, North Holland

26

7
Bendera nasional Netherlands

Utrecht, Utrecht

25

8
Bendera nasional Netherlands

Maastricht, Limburg

24

9
Bendera nasional Netherlands

Rotterdam, South Holland

24

10
Bendera nasional Netherlands

Hoofddorp, North Holland

22

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Bagaimana kualitas udara saat ini di Amsterdam?

Kualitas udara saat ini di Amsterdam dianggap baik. Udara bersih dan menimbulkan sedikit atau tidak ada risiko kesehatan.

What is the air quality index of Amsterdam?

Amsterdam is the largest and most populous city in the Netherlands with a 2018 population of over 2.5 million in the metropolitan area. At the end of 2020, Amsterdam was experiencing some “Good” quality air with a US AQI reading of 18.

The concentration of the main pollutants were as follows: PM2.5 - 4.3 µg/m³, PM10 - 3.9 µg/m³, ozone (O3) - 33.1 µg/m³, nitrogen dioxide (NO2) - 5.3 µg/m³ and carbon monoxide (CO) - 5.3 µg/m³. With figures such as these, the advice is to open doors and windows and let the fresh air into the home and to get outside and enjoy outdoor activities.

In 2019, the average annual PM2.5 figure was 10.7 µg/m³ which, according to recommended levels by the World Health Organisation (WHO) classified it as “Good”. For 4 months of the year, Amsterdam attained the WHO target figure of being 10 µg/m³ or less. 5 months classed it as “Good” with concentrations between 10 and 12 µg/m³. The remaining months of February, March and April returned “Moderate” readings between 12.1 and 35.4 µg/m³.

Is Amsterdam very polluted?

The Stadhouderskade is one of the dirtiest streets in Amsterdam. It is a street which runs through the city centre and is always congested. Local residents have noticed that if they cross the street or spend too much time close to the carriageway, they soon begin to cough and wheeze. They are mostly dissatisfied with the measure being taken by the authorities and suggest the exclusion of heavily-polluting diesel-powered trucks, but levels of pollutants are still in excess of recommended figures.

What are the air pollutants in Amsterdam?

Fine dust is a collective name for very small particles in the air. You cannot see the particles with the naked eye as they are only a few micrometres in size (1 micrometre is a thousand times smaller than a millimetre). Particles smaller than 10 micrometres are called PM10, particles smaller than 2.5 micrometres are called PM2.5 and even smaller particles are called ultra-fine particles. Soot or black carbon (BC) is also an important part of fine dust as it consists of particles that have clumped together. Particulate matter can be caused by natural sources but, more commonly, it is man-made. It is thought that up to 75 to 80 per cent of fine PM pollutants are attributed to human activity. These fine particles also remain in the air for longer periods of time.

In addition to particulate matter (PM), soot (BC), nitrogen oxides (NOx) and ozone (O3), there are also other unhealthy substances in the air, such as volatile organic compounds (VOC), carbon monoxide (CO) and sulphur dioxide (SO2), but these are in much smaller quantities at the moment.

What can be done to mitigate the effects of the poor air quality in Amsterdam?

If you are driving the car, keep the windows closed especially when in a traffic jam or heavily congested area. This way you keep some of the dirty air out. Outside the traffic jam, an open window is healthier, because the air in cars can soon become stale. Do not allow fresh air to enter the car whilst driving through long tunnels but set the fan to recirculation mode. In this way, less polluted air enters the car. However, you are not advised to do this for longer than 15 minutes. By opening two of the windows, the air inside the vehicle will quickly be replaced.

What are the effects on health through breathing in Amsterdam’s polluted air?

Air pollution is unhealthy and you can get all types of ailments and diseases from it. The elderly, sick people and young children are extra sensitive to dirty air. People with pre-existing respiratory problems such as asthma, chronic bronchitis or COPD, and people with cardiovascular disease or diabetes, can develop more complaints or even die earlier due to air pollution. Healthy people are also affected depending on the length of exposure to the dirty air, the pollutants contained within it and the concentration of those pollutants. Nitrogen dioxide (NO2) makes some people more sensitive to infections and they catch a cold more quickly. Nitrogen oxides (NOx) are not only unhealthy but also bad for nature if there is too much of them.

Fine dust and ozone (O3) can cause temporary complaints such as dry eyes, coughing, a dry throat or shortness of breath. But it also ensures that your lungs work less well efficiently. Prolonged exposure to ozone can also cause headaches, nausea and dizziness. Skin rashes have also been noted for some people.

What are the main sources of pollution in Amsterdam?

Road traffic and industry are not the only sources of these unhealthy substances. Agriculture and wood burning in and around the house also cause air pollution. Of all the unhealthy particles in the air, particulate matter PM2.5, nitrogen oxide (NOx) and ozone (O3) cause the most damage to health.

Road traffic is one of the main sources of bad air that people breathe every day. A lot of particulate matter (PM), soot (BC) and nitrogen oxides (NOx) are emitted from the exhausts of cars, buses, trucks, motorcycles, scooters and mopeds. Diesel cars in particular, emit a lot of harmful substances. But the wear of tyres, brakes and road surface also adds to the air pollution.

Industry such as steel factories and refineries, shipping and agriculture also contribute. Households can cause poorer air quality by burning wood in the fireplace, wood stove or fire basket because a lot of fine dust is released into the environment when wood is burned. Other pollutants in the home are cigarette smoke, pets and moisture. Gas stoves, central heating boilers and geysers also contribute with their emissions of nitrogen oxides (NOx).

Ozone (O3) does not come from the exhaust of cars or chimneys. Tropospheric, or ground-level ozone, as it should be known, is not emitted directly into the air, but is created by chemical reactions between oxides of nitrogen (NOx) and volatile organic compounds (VOC)s. The problem is compounded in the presence of strong sunlight so tends to intensify as the day progresses.

Air pollution is a transnational problem. A lot of dirty air arrives on the prevailing winds from as far away as the deserts in China and Mongolia. Up to 30 per cent of the particulate matter in the air can come from foreign emissions. Conversely, a large part of the substances emitted in the Netherlands also blown across the border.