WorldArrow icon
Arrow iconSt. Louis

Air quality in St. Louis

Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis • 28 Followers • 02:00, Oct 05 Local time

12*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.2 µg/m³

weather condition icon

11°

wind direction icon

14 km/h

weather humid icon

91 %

Hourly forecast

St. Louis air quality index (AQI⁺) forecast

Now

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

14

km/h

Humidity icon

91%

05:00

11

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

12

km/h

Humidity icon

92%

06:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

17

km/h

Humidity icon

92%

07:00

10

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

13

km/h

Humidity icon

92%

08:00

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

10

km/h

Humidity icon

95%

09:00

11

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

11

km/h

Humidity icon

86%

10:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

19

km/h

Humidity icon

76%

11:00

13

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

19

km/h

Humidity icon

65%

12:00

13

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

20

km/h

Humidity icon

57%

13:00

13

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

20

km/h

Humidity icon

49%

14:00

9

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

21

km/h

Humidity icon

45%

15:00

9

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

19

km/h

Humidity icon

47%

16:00

9

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

18

km/h

Humidity icon

46%

17:00

6

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

16

km/h

Humidity icon

48%

18:00

6

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 331 degree

16

km/h

Humidity icon

53%

19:00

6

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

11

km/h

Humidity icon

56%

20:00

6

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

8

km/h

Humidity icon

68%

21:00

6

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

9

km/h

Humidity icon

74%

22:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

9

km/h

Humidity icon

80%

23:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

7

km/h

Humidity icon

80%

Tue

00:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

7

km/h

Humidity icon

82%

01:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

6

km/h

Humidity icon

84%

02:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

5

km/h

Humidity icon

92%

03:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

4

km/h

Humidity icon

93%

04:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

4

km/h

Humidity icon

97%

05:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

2

km/h

Humidity icon

98%

06:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

4

km/h

Humidity icon

100%

07:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

4

km/h

Humidity icon

100%

08:00

10

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

3

km/h

Humidity icon

98%

09:00

10

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

3

km/h

Humidity icon

98%

10:00

10

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

4

km/h

Humidity icon

91%

11:00

13

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

9

km/h

Humidity icon

81%

12:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 186 degree

14

km/h

Humidity icon

72%

13:00

13

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

16

km/h

Humidity icon

49%

14:00

11

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

19

km/h

Humidity icon

50%

15:00

11

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

22

km/h

Humidity icon

53%

16:00

11

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

22

km/h

Humidity icon

54%

17:00

8

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

23

km/h

Humidity icon

55%

18:00

8

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

20

km/h

Humidity icon

59%

19:00

8

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

17

km/h

Humidity icon

65%

20:00

10

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

15

km/h

Humidity icon

75%

21:00

10

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

17

km/h

Humidity icon

75%

22:00

10

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

16

km/h

Humidity icon

82%

23:00

7

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

18

km/h

Humidity icon

84%

Wed

00:00

7

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

21

km/h

Humidity icon

78%

01:00

7

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

23

km/h

Humidity icon

75%

02:00

6

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

26

km/h

Humidity icon

75%

03:00

6

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

25

km/h

Humidity icon

76%

04:00

6

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

24

km/h

Humidity icon

78%

05:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

23

km/h

Humidity icon

80%

06:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 232 degree

21

km/h

Humidity icon

84%

07:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

20

km/h

Humidity icon

88%

08:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

20

km/h

Humidity icon

94%

09:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

21

km/h

Humidity icon

69%

10:00

9

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

24

km/h

Humidity icon

72%

11:00

32

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

25

km/h

Humidity icon

72%

12:00

32

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

25

km/h

Humidity icon

65%

13:00

32

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

25

km/h

Humidity icon

58%

14:00

54

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

25

km/h

Humidity icon

50%

15:00

54

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

24

km/h

Humidity icon

40%

16:00

54

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

25

km/h

Humidity icon

36%

17:00

23

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

21

km/h

Humidity icon

37%

18:00

23

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

18

km/h

Humidity icon

42%

19:00

23

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

18

km/h

Humidity icon

49%

20:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

15

km/h

Humidity icon

58%

21:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

16

km/h

Humidity icon

66%

22:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

20

km/h

Humidity icon

70%

23:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

18

km/h

Humidity icon

76%

Thu

00:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

14

km/h

Humidity icon

84%

01:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

13

km/h

Humidity icon

78%

02:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

13

km/h

Humidity icon

62%

03:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

13

km/h

Humidity icon

59%

Daily forecast

|

St. Louis air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in St. Louis?

IQAir Check icon

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

Health recommendations

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

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

Health recommendations

Pollen

What is the pollen count in St. Louis 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

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⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Sunland Park, New Mexico

231

2
The national flag of USA

Stafford, Virginia

80

3
The national flag of USA

Chattanooga, Tennessee

65

4
The national flag of USA

Honaunau-Napoopoo, Hawaii

63

5
The national flag of USA

El Portal, California

61

6
The national flag of USA

Mariposa County, California

61

7
The national flag of USA

San Luis Obispo County, California

61

8
The national flag of USA

Fresno County, California

60

9
The national flag of USA

Lake Tapps, Washington

60

10
The national flag of USA

Franklin, Merced County, California

59

History

Historic air quality graph for St. Louis

12 AQI⁺ US
Good
02:00–03:00 Oct 05 Local time
AQI⁺ US

History

Historic air quality graph for St. Louis

12 AQI⁺ US
Good
02:00–03:00 Oct 05 Local time
AQI⁺ US

Most polluted locations near St. Louis

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Sunland Park, New Mexico

231

2
The national flag of USA

Stafford, Virginia

80

3
The national flag of USA

Chattanooga, Tennessee

65

4
The national flag of USA

Honaunau-Napoopoo, Hawaii

63

5
The national flag of USA

El Portal, California

61

6
The national flag of USA

Mariposa County, California

61

7
The national flag of USA

San Luis Obispo County, California

61

8
The national flag of USA

Fresno County, California

60

9
The national flag of USA

Lake Tapps, Washington

60

10
The national flag of USA

Franklin, Merced County, California

59

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

Begin your journey for cleaner air #IQAir

Where is the cleanest air quality in St. Louis?

No locations are available.