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Air quality in St. Louis County

Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis County • 01:00, Jun 06 Local time

55*

US AQI⁺

Moderate

Main pollutant:

PM2.5

11.6 µg/m³

24°

13 km/h

88 %

Hourly forecast

St. Louis County air quality index (AQI⁺) forecast

Now

24°

km/h

88%

03:00

23°

km/h

90%

04:00

23°

km/h

92%

05:00

23°

km/h

92%

06:00

23°

km/h

88%

07:00

24°

km/h

83%

08:00

25°

km/h

75%

09:00

27°

km/h

69%

10:00

27°

km/h

68%

11:00

27°

km/h

70%

12:00

25°

km/h

79%

13:00

29°

km/h

61%

14:00

30°

km/h

55%

15:00

30°

km/h

56%

16:00

29°

km/h

57%

17:00

30°

km/h

53%

18:00

29°

km/h

59%

19:00

28°

km/h

63%

20:00

27°

km/h

68%

21:00

26°

km/h

72%

22:00

25°

km/h

80%

23:00

24°

km/h

83%

Sun

00:00

24°

km/h

84%

01:00

24°

km/h

87%

02:00

24°

km/h

89%

03:00

24°

km/h

88%

04:00

24°

km/h

90%

05:00

23°

km/h

91%

06:00

23°

km/h

91%

07:00

24°

km/h

87%

08:00

25°

km/h

82%

09:00

26°

km/h

73%

10:00

28°

km/h

62%

11:00

29°

km/h

59%

12:00

30°

km/h

55%

13:00

29°

km/h

61%

14:00

29°

km/h

52%

15:00

30°

km/h

51%

16:00

30°

km/h

51%

17:00

90%

25°

km/h

88%

18:00

90%

29°

km/h

63%

19:00

90%

26°

km/h

74%

20:00

25°

km/h

79%

21:00

24°

km/h

78%

22:00

23°

km/h

84%

23:00

23°

km/h

86%

Mon

00:00

23°

km/h

87%

01:00

90%

22°

km/h

89%

02:00

22°

km/h

91%

03:00

22°

km/h

94%

04:00

22°

km/h

96%

05:00

22°

km/h

97%

06:00

90%

23°

km/h

98%

07:00

90%

23°

km/h

95%

08:00

90%

24°

km/h

83%

09:00

90%

24°

km/h

89%

10:00

90%

25°

km/h

83%

11:00

90%

26°

km/h

79%

12:00

90%

27°

km/h

74%

13:00

90%

27°

km/h

74%

14:00

90%

27°

km/h

74%

15:00

80%

28°

km/h

70%

16:00

27°

km/h

74%

17:00

80%

27°

km/h

74%

18:00

90%

27°

km/h

74%

19:00

90%

27°

km/h

74%

20:00

90%

26°

km/h

79%

21:00

90%

25°

km/h

83%

22:00

90%

24°

km/h

89%

23:00

90%

24°

km/h

89%

Tue

00:00

90%

24°

km/h

89%

01:00

90%

25°

km/h

83%

Daily forecast

St. Louis County air quality index (AQI⁺) forecast

Today

30°

23°

km/h

68%

Sun

30°

23°

km/h

70%

Mon

90%

28°

23°

km/h

80%

Air pollutants

What is the current air quality in St. Louis County?

PM2.5 concentration is currently 2.3 times the World Health Organization annual PM2.5 guideline value.

Real-time St. Louis County 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 County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in St. Louis County today?

Index

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Low

25%

Source:

wetter.com

Pollen forecast in St. Louis County

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 County air pollution map

Pollen

What is the pollen count in St. Louis County today?

Index

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Low

25%

Source:

wetter.com

Pollen forecast in St. Louis County

Protect yourself from air pollution in St. Louis County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near St. Louis County

Worldwide AQI⁺ ranking

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Richland County, South Carolina	173
2	El Paso, Texas	88
3	Oakhurst, California	84
4	Carlisle, Pennsylvania	72
5	Blount County, Tennessee	69
6	Ferry Pass, Florida	69
7	Palm Desert, California	67
8	Spartanburg, South Carolina	67
9	Beaumont, California	66
10	North Braddock, Pennsylvania	66

History

Historic air quality graph for St. Louis County

55 AQI⁺ US

Moderate

01:00–02:00 Jun 06 Local time

AQI⁺ US

History

Historic air quality graph for St. Louis County

55 AQI⁺ US

Moderate

01:00–02:00 Jun 06 Local time

AQI⁺ US

Most polluted locations near St. Louis County

Worldwide AQI⁺ ranking

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Richland County, South Carolina	173
2	El Paso, Texas	88
3	Oakhurst, California	84
4	Carlisle, Pennsylvania	72
5	Blount County, Tennessee	69
6	Ferry Pass, Florida	69
7	Palm Desert, California	67
8	Spartanburg, South Carolina	67
9	Beaumont, California	66
10	North Braddock, Pennsylvania	66