Air quality in Saint-Louis

Air quality index (AQI⁺) and PM2.5 air pollution in Saint-Louis • 2 Followers • 14:00, Apr 29 Local time

53*

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

10.1 µg/m³

weather condition icon

25°

wind direction icon

24 km/h

weather humid icon

36 %

Hourly forecast

Saint-Louis air quality index (AQI⁺) forecast

Now

53

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

24

km/h

Humidity icon

36%

17:00

53

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25°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

21

km/h

Humidity icon

33%

18:00

53

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

18

km/h

Humidity icon

33%

19:00

53

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

15

km/h

Humidity icon

35%

20:00

54

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

8

km/h

Humidity icon

41%

21:00

54

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19°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

1

km/h

Humidity icon

54%

22:00

54

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17°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

5

km/h

Humidity icon

55%

23:00

53

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

7

km/h

Humidity icon

52%

Thu

00:00

53

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

9

km/h

Humidity icon

45%

01:00

53

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

10

km/h

Humidity icon

42%

02:00

55

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14°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

9

km/h

Humidity icon

43%

03:00

55

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

9

km/h

Humidity icon

41%

04:00

55

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

9

km/h

Humidity icon

42%

05:00

54

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

9

km/h

Humidity icon

45%

06:00

54

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

10

km/h

Humidity icon

53%

07:00

54

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

9

km/h

Humidity icon

62%

08:00

54

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

9

km/h

Humidity icon

64%

09:00

54

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

8

km/h

Humidity icon

48%

10:00

54

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

15

km/h

Humidity icon

45%

11:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

19

km/h

Humidity icon

45%

12:00

55

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

17

km/h

Humidity icon

48%

13:00

55

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

18

km/h

Humidity icon

48%

14:00

55

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

22

km/h

Humidity icon

48%

15:00

55

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

26

km/h

Humidity icon

46%

16:00

55

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

27

km/h

Humidity icon

46%

17:00

58

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

26

km/h

Humidity icon

47%

18:00

58

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

21

km/h

Humidity icon

45%

19:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

20

km/h

Humidity icon

48%

20:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

17

km/h

Humidity icon

53%

21:00

58

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

13

km/h

Humidity icon

55%

22:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

11

km/h

Humidity icon

49%

23:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

9

km/h

Humidity icon

47%

Fri

00:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

5

km/h

Humidity icon

48%

01:00

58

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17°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

3

km/h

Humidity icon

52%

02:00

54

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17°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

5

km/h

Humidity icon

57%

03:00

54

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16°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

5

km/h

Humidity icon

58%

04:00

54

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16°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

5

km/h

Humidity icon

58%

05:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

5

km/h

Humidity icon

60%

06:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

5

km/h

Humidity icon

59%

07:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 38 degree

5

km/h

Humidity icon

58%

08:00

31

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

5

km/h

Humidity icon

61%

09:00

31

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

4

km/h

Humidity icon

53%

10:00

31

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19°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

10

km/h

Humidity icon

48%

11:00

28

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

13

km/h

Humidity icon

44%

12:00

28

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

13

km/h

Humidity icon

42%

13:00

28

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

10

km/h

Humidity icon

39%

14:00

28

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

9

km/h

Humidity icon

38%

15:00

28

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22°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

11

km/h

Humidity icon

38%

16:00

28

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

17

km/h

Humidity icon

36%

17:00

26

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

24

km/h

Humidity icon

38%

18:00

26

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

24

km/h

Humidity icon

41%

19:00

26

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

19

km/h

Humidity icon

42%

20:00

25

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

14

km/h

Humidity icon

41%

21:00

25

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

6

km/h

Humidity icon

45%

22:00

25

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

3

km/h

Humidity icon

50%

23:00

28

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

5

km/h

Humidity icon

58%

Sat

00:00

28

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

6

km/h

Humidity icon

59%

01:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

6

km/h

Humidity icon

56%

02:00

31

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

7

km/h

Humidity icon

55%

03:00

31

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

7

km/h

Humidity icon

57%

04:00

31

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

8

km/h

Humidity icon

57%

05:00

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

9

km/h

Humidity icon

59%

06:00

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

9

km/h

Humidity icon

58%

07:00

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

9

km/h

Humidity icon

54%

08:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

8

km/h

Humidity icon

54%

09:00

32

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

15.7

km/h

Humidity icon

47%

10:00

32

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

23.3

km/h

Humidity icon

41%

11:00

27

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

31

km/h

Humidity icon

35%

12:00

27

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

30.7

km/h

Humidity icon

34%

13:00

27

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

30.3

km/h

Humidity icon

33%

14:00

25

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

30

km/h

Humidity icon

32%

15:00

25

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

29.7

km/h

Humidity icon

32%

Daily forecast

|

Saint-Louis air quality index (AQI⁺) forecast

Today

53

Weather icon

23°

12°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

24

km/h

Humidity icon

50%

Thu

56

Weather icon

24°

13°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

27

km/h

Humidity icon

50%

Fri

32

Weather icon

22°

16°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

24

km/h

Humidity icon

45%

Air pollutants

What is the current air quality in Saint-Louis?

IQAir exclamation icon

PM2.5 concentration is currently 2 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in Saint-Louis

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in Saint-Louis today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%
Pollen forecast in Saint-Louis

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Pollen

What is the pollen count in Saint-Louis today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%
Pollen forecast in Saint-Louis

Protect yourself from air pollution in Saint-Louis

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near Saint-Louis

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time France AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of France

Cherbourg-Octeville, Normandy

87

2
The national flag of France

Le Havre, Normandy

63

3
The national flag of France

Calais, Hauts-de-France

56

4
The national flag of France

Paris, Ile-de-France

55

5
The national flag of France

Toulouse, Occitanie

55

6
The national flag of France

Nice, Provence-Alpes-Cote d'Azur

53

7
The national flag of France

Montargis, Centre

52

8
The national flag of France

Avignon, Provence-Alpes-Cote d'Azur

50

9
The national flag of France

Saint-Nazaire, Pays de la Loire

49

10
The national flag of France

Chartres, Centre

47

History

Historic air quality graph for Saint-Louis

53 AQI⁺ US
Moderate
14:00–15:00 Apr 29 Local time
AQI⁺ US

History

Historic air quality graph for Saint-Louis

53 AQI⁺ US
Moderate
14:00–15:00 Apr 29 Local time
AQI⁺ US

Most polluted locations near Saint-Louis

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time France AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of France

Cherbourg-Octeville, Normandy

87

2
The national flag of France

Le Havre, Normandy

63

3
The national flag of France

Calais, Hauts-de-France

56

4
The national flag of France

Paris, Ile-de-France

55

5
The national flag of France

Toulouse, Occitanie

55

6
The national flag of France

Nice, Provence-Alpes-Cote d'Azur

53

7
The national flag of France

Montargis, Centre

52

8
The national flag of France

Avignon, Provence-Alpes-Cote d'Azur

50

9
The national flag of France

Saint-Nazaire, Pays de la Loire

49

10
The national flag of France

Chartres, Centre

47

Be the first to measure and contribute air quality data to your community

Where is the cleanest air quality in Saint-Louis?

No locations are available.