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Air quality in St. Louis

Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis • 4.7K Followers • 12:00, Oct 26 Local time

Granite City, USA Industrial Emissions nearby

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US AQI⁺

Moderate

Main pollutant:

PM2.5

10.7 µg/m³

22°

7 km/h

49 %

Hourly forecast

St. Louis air quality index (AQI⁺) forecast

Now

22°

km/h

49%

14:00

23°

km/h

44%

15:00

24°

km/h

41%

16:00

24°

km/h

41%

17:00

23°

km/h

43%

18:00

23°

km/h

46%

19:00

22°

km/h

49%

20:00

21°

km/h

53%

21:00

20°

km/h

56%

22:00

19°

km/h

63%

23:00

17°

km/h

70%

Tue

00:00

16°

km/h

73%

01:00

16°

km/h

75%

02:00

15°

km/h

76%

03:00

15°

km/h

78%

04:00

14°

km/h

80%

05:00

14°

km/h

82%

06:00

13°

km/h

83%

07:00

13°

km/h

83%

08:00

13°

km/h

82%

09:00

15°

km/h

73%

10:00

16°

km/h

66%

11:00

19°

km/h

58%

12:00

21°

km/h

50%

13:00

21°

km/h

45%

14:00

22°

km/h

42%

15:00

22°

km/h

43%

16:00

22°

km/h

44%

17:00

22°

km/h

46%

18:00

20°

km/h

52%

19:00

19°

km/h

58%

20:00

19°

km/h

62%

21:00

18°

km/h

64%

22:00

17°

km/h

65%

23:00

17°

km/h

67%

Wed

00:00

16°

km/h

69%

01:00

16°

km/h

71%

02:00

16°

km/h

74%

03:00

15°

km/h

75%

04:00

15°

km/h

76%

05:00

15°

km/h

76%

06:00

14°

km/h

81%

07:00

14°

km/h

84%

08:00

14°

km/h

83%

09:00

15°

km/h

72%

10:00

17°

km/h

64%

11:00

20°

km/h

56%

12:00

22°

km/h

49%

13:00

23°

km/h

43%

14:00

24°

km/h

42%

15:00

24°

km/h

42%

16:00

24°

km/h

43%

17:00

24°

km/h

45%

18:00

22°

km/h

52%

19:00

21°

km/h

56%

20:00

22°

km/h

45%

21:00

21°

km/h

47%

22:00

21°

km/h

48%

23:00

20°

km/h

48%

Thu

00:00

20°

km/h

48%

01:00

19°

km/h

48%

02:00

19°

km/h

48%

03:00

19°

km/h

47%

04:00

18°

km/h

46%

05:00

18°

km/h

47%

06:00

17°

km/h

47%

07:00

17°

km/h

47%

08:00

17°

km/h

46%

09:00

19°

km/h

43%

10:00

21°

km/h

37%

11:00

24°

km/h

33%

12:00

26°

km/h

31%

Daily forecast

St. Louis air quality index (AQI⁺) forecast

Today

24°

14°

km/h

59%

Tue

22°

13°

km/h

60%

Wed

24°

14°

km/h

56%

Air pollutants

What is the current air quality in St. Louis?

PM2.5 concentration is currently 2.1 times the World Health Organization annual PM2.5 guideline value.

Real-time St. Louis 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 St. Louis

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in St. Louis today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in St. Louis

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 St. Louis air pollution map

Pollen

What is the pollen count in St. Louis today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in St. Louis

Protect yourself from air pollution in St. Louis

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near St. Louis

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in St. Louis

#	Stations	AQI⁺ US
1	Branch Street	79
2	Princeton Heights	61
3	Forest Park	54
4	Shaw	50
5	Blair Street	41

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Delano, California	125
2	Pixley, California	104
3	Lakewood, California	91
4	Bakersfield, California	86
5	Laytonville, California	84
6	Matheny, California	79
7	Dearborn, Michigan	77
8	Granite City, Illinois	74
9	Franklin, Merced County, California	71
10	Madera, California	71

History

Historic air quality graph for St. Louis

54 AQI⁺ US

Moderate

11:00–12:00 Oct 26 Local time

AQI⁺ US

History

Historic air quality graph for St. Louis

54 AQI⁺ US

Moderate

11:00–12:00 Oct 26 Local time

AQI⁺ US

Most polluted locations near St. Louis

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in St. Louis

#	Stations	AQI⁺ US
1	Branch Street	79
2	Princeton Heights	61
3	Forest Park	54
4	Shaw	50
5	Blair Street	41

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Delano, California	125
2	Pixley, California	104
3	Lakewood, California	91
4	Bakersfield, California	86
5	Laytonville, California	84
6	Matheny, California	79
7	Dearborn, Michigan	77
8	Granite City, Illinois	74
9	Franklin, Merced County, California	71
10	Madera, California	71