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Air quality in San Mateo

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 3 Followers • 20:00, Aug 18 Local time

US AQI⁺

Moderate

Main pollutant:

PM10

60 µg/m³

25°

20 km/h

96 %

Hourly forecast

San Mateo air quality index (AQI⁺) forecast

Now

25°

km/h

96%

21:00

25°

km/h

96%

22:00

80%

25°

km/h

95%

23:00

80%

25°

km/h

94%

Wed

00:00

25°

km/h

94%

01:00

25°

km/h

96%

02:00

25°

km/h

96%

03:00

25°

km/h

93%

04:00

25°

km/h

95%

05:00

25°

km/h

94%

06:00

25°

km/h

94%

07:00

25°

km/h

94%

08:00

25°

km/h

92%

09:00

26°

km/h

91%

10:00

26°

km/h

88%

11:00

26°

km/h

87%

12:00

70%

27°

km/h

85%

13:00

27°

km/h

86%

14:00

80%

26°

km/h

89%

15:00

80%

26°

km/h

90%

16:00

26°

km/h

89%

17:00

26°

km/h

88%

18:00

26°

km/h

87%

19:00

26°

km/h

87%

20:00

25°

km/h

88%

21:00

25°

km/h

90%

22:00

25°

km/h

90%

23:00

25°

km/h

90%

Thu

00:00

25°

km/h

90%

01:00

25°

km/h

90%

02:00

25°

km/h

90%

03:00

25°

km/h

90%

04:00

25°

km/h

90%

05:00

25°

km/h

88%

06:00

25°

km/h

89%

07:00

26°

km/h

85%

08:00

27°

km/h

81%

09:00

70%

28°

km/h

76%

10:00

29°

km/h

72%

11:00

30°

km/h

65%

12:00

30°

km/h

64%

13:00

31°

km/h

56%

14:00

31°

km/h

54%

15:00

30°

km/h

58%

16:00

70%

29°

km/h

66%

17:00

29°

km/h

66%

18:00

27°

km/h

73%

19:00

70%

27°

km/h

79%

20:00

27°

km/h

80%

21:00

26°

km/h

81%

22:00

26°

km/h

81%

23:00

26°

km/h

79%

Fri

00:00

26°

km/h

78%

01:00

26°

km/h

78%

02:00

26°

km/h

78%

03:00

26°

km/h

80%

04:00

26°

km/h

78%

05:00

26°

km/h

79%

06:00

26°

km/h

79%

07:00

27°

km/h

76%

08:00

28°

km/h

70%

09:00

29°

km/h

64%

10:00

30°

km/h

63%

11:00

31°

km/h

60%

12:00

31°

km/h

58%

13:00

31°

km/h

59%

14:00

30°

km/h

61%

15:00

30°

km/h

63%

16:00

29°

km/h

66%

17:00

29°

km/h

70%

18:00

28°

km/h

75%

19:00

80%

27°

km/h

81%

Daily forecast

San Mateo air quality index (AQI⁺) forecast

Today

90%

26°

25°

km/h

94%

Wed

27°

25°

km/h

89%

Thu

31°

25°

km/h

72%

Air pollutants

What is the current air quality in San Mateo?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Real-time San Mateo air pollution map

Health recommendations

Sensitive groups should reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in San Mateo

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Health recommendations

Sensitive groups should reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Sensitive groups should run an air purifier

Get an air purifier

Real-time San Mateo air pollution map

Protect yourself from air pollution in San Mateo

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near San Mateo

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo

#	Stations	AQI⁺ US
1	Quezon City (SMPH Commonwealth)	110
2	Barangay Fortune - Santan Street	53
3	Tivoli	20

City ranking

Real-time Philippines AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Niugan, National Capital Region	105
2	Ungca, Western Visayas	96
3	Las Pinas, National Capital Region	85
4	Caloocan, National Capital Region	84
5	Batangas, Calabarzon	78
6	Mandaluyong, National Capital Region	67
7	Muntinlupa, Calabarzon	64
8	Pasig, National Capital Region	64
9	Quiapo, National Capital Region	61
10	Pasay, National Capital Region	57

History

Historic air quality graph for San Mateo

20 AQI⁺ US

Good

19:00–20:00 Aug 18 Local time

AQI⁺ US

History

Historic air quality graph for San Mateo

20 AQI⁺ US

Good

19:00–20:00 Aug 18 Local time

AQI⁺ US

Most polluted locations near San Mateo

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo

#	Stations	AQI⁺ US
1	Quezon City (SMPH Commonwealth)	110
2	Barangay Fortune - Santan Street	53
3	Tivoli	20

City ranking

Real-time Philippines AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Niugan, National Capital Region	105
2	Ungca, Western Visayas	96
3	Las Pinas, National Capital Region	85
4	Caloocan, National Capital Region	84
5	Batangas, Calabarzon	78
6	Mandaluyong, National Capital Region	67
7	Muntinlupa, Calabarzon	64
8	Pasig, National Capital Region	64
9	Quiapo, National Capital Region	61
10	Pasay, National Capital Region	57