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Air quality in St. Louis County

Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis County • 1 Follower • 23:00, Oct 27 Local time

USA National Park ServiceMinnesota Pollution Control Agency (MPCA)Monterey Bay Unified APCDAnonymous contributor

17

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

36 µg/m³

weather condition icon

5°

wind direction icon

6 km/h

weather humid icon

100 %

USA National Park ServiceMinnesota Pollution Control Agency (MPCA)Monterey Bay Unified APCDAnonymous contributor

Hourly forecast

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

Now

17

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

6

km/h

Humidity icon

100%

Wed

00:00

19

Weather icon

70%

6°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

8

km/h

Humidity icon

99%

01:00

23

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

11

km/h

Humidity icon

100%

02:00

26

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

13

km/h

Humidity icon

100%

03:00

29

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

12

km/h

Humidity icon

100%

04:00

30

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

11

km/h

Humidity icon

100%

05:00

33

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

11

km/h

Humidity icon

99%

06:00

35

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

12

km/h

Humidity icon

96%

07:00

40

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

11

km/h

Humidity icon

95%

08:00

43

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

10

km/h

Humidity icon

95%

09:00

45

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

11

km/h

Humidity icon

95%

10:00

32

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

11

km/h

Humidity icon

92%

11:00

33

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

12

km/h

Humidity icon

93%

12:00

33

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

12

km/h

Humidity icon

85%

13:00

46

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

12

km/h

Humidity icon

80%

14:00

46

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

11

km/h

Humidity icon

77%

15:00

46

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

10

km/h

Humidity icon

75%

16:00

52

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

8

km/h

Humidity icon

76%

17:00

52

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

9

km/h

Humidity icon

79%

18:00

52

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

11

km/h

Humidity icon

81%

19:00

28

Weather icon

80%

8°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

14

km/h

Humidity icon

94%

20:00

28

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

13

km/h

Humidity icon

99%

21:00

28

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

11

km/h

Humidity icon

98%

22:00

38

Weather icon

80%

8°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

11

km/h

Humidity icon

97%

23:00

38

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

14

km/h

Humidity icon

97%

Thu

00:00

38

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

15

km/h

Humidity icon

95%

01:00

16

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

15

km/h

Humidity icon

96%

02:00

16

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

14

km/h

Humidity icon

98%

03:00

16

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

13

km/h

Humidity icon

96%

04:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

10

km/h

Humidity icon

97%

05:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

12

km/h

Humidity icon

96%

06:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

12

km/h

Humidity icon

99%

07:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

12

km/h

Humidity icon

99%

08:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

12

km/h

Humidity icon

99%

09:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

13

km/h

Humidity icon

99%

10:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

13

km/h

Humidity icon

96%

11:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

13

km/h

Humidity icon

97%

12:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

13

km/h

Humidity icon

98%

13:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

15

km/h

Humidity icon

91%

14:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

14

km/h

Humidity icon

85%

15:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

14

km/h

Humidity icon

81%

16:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

12

km/h

Humidity icon

81%

17:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

11

km/h

Humidity icon

82%

18:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

9

km/h

Humidity icon

86%

19:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

10

km/h

Humidity icon

95%

20:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

6

km/h

Humidity icon

85%

21:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

6

km/h

Humidity icon

86%

22:00

21

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

6

km/h

Humidity icon

87%

23:00

21

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

6

km/h

Humidity icon

88%

Fri

00:00

21

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

7

km/h

Humidity icon

88%

01:00

19

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

7

km/h

Humidity icon

88%

02:00

19

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

6

km/h

Humidity icon

88%

03:00

19

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

6

km/h

Humidity icon

87%

04:00

17

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

6

km/h

Humidity icon

87%

05:00

17

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

5

km/h

Humidity icon

87%

06:00

17

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

5

km/h

Humidity icon

86%

07:00

11

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

5

km/h

Humidity icon

85%

08:00

11

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

4

km/h

Humidity icon

84%

09:00

11

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

4

km/h

Humidity icon

77%

10:00

14

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

6

km/h

Humidity icon

68%

11:00

14

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

7

km/h

Humidity icon

61%

12:00

14

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

8

km/h

Humidity icon

55%

13:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

8

km/h

Humidity icon

51%

14:00

9

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

8

km/h

Humidity icon

50%

15:00

9

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

7

km/h

Humidity icon

49%

16:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

6

km/h

Humidity icon

50%

17:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

4

km/h

Humidity icon

59%

18:00

8

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

3

km/h

Humidity icon

68%

19:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

2

km/h

Humidity icon

72%

20:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

3

km/h

Humidity icon

75%

21:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

4

km/h

Humidity icon

76%

22:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

3

km/h

Humidity icon

76%

Daily forecast

|

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

Air pollutants

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

IQAir Check icon

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

air quality map

Real-time St. Louis County air pollution map

Health recommendations

Protect yourself from air pollution in St. Louis County

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Air Purifiers

Face Masks

Air Quality Monitors

Pollen

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

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in St. Louis County

Health recommendations

air quality map

Real-time St. Louis County air pollution map

Pollen

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

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

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⁺ rankingArrow icon

Station ranking

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

#StationsAQI⁺ US
1
The national flag of USA

Voyageurs NP

18

2
The national flag of USA

Voyageurs National Park - Sullivan Bay

18

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Shaver Lake, California

212

2
The national flag of USA

Indianapolis city (balance), Indiana

102

3
The national flag of USA

Delano, California

99

4
The national flag of USA

Takoma Park, Maryland

95

5
The national flag of USA

Pixley, California

91

6
The national flag of USA

Brookfield, Wisconsin

89

7
The national flag of USA

Outagamie County, Wisconsin

89

8
The national flag of USA

Washington County, District of Columbia

85

9
The national flag of USA

Waukesha, Waukesha County, Wisconsin

84

10
The national flag of USA

Oconomowoc, Wisconsin

81

History

Historic air quality graph for St. Louis County

11 AQI⁺ US
Good
22:00–23:00 Oct 27 Local time
AQI⁺ US

History

Historic air quality graph for St. Louis County

11 AQI⁺ US
Good
22:00–23:00 Oct 27 Local time
AQI⁺ US

Most polluted locations near St. Louis County

Worldwide AQI⁺ rankingArrow icon

Station ranking

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

#StationsAQI⁺ US
1
The national flag of USA

Voyageurs NP

18

2
The national flag of USA

Voyageurs National Park - Sullivan Bay

18

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Shaver Lake, California

212

2
The national flag of USA

Indianapolis city (balance), Indiana

102

3
The national flag of USA

Delano, California

99

4
The national flag of USA

Takoma Park, Maryland

95

5
The national flag of USA

Pixley, California

91

6
The national flag of USA

Brookfield, Wisconsin

89

7
The national flag of USA

Outagamie County, Wisconsin

89

8
The national flag of USA

Washington County, District of Columbia

85

9
The national flag of USA

Waukesha, Waukesha County, Wisconsin

84

10
The national flag of USA

Oconomowoc, Wisconsin

81

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