Air quality in St. Louis

Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis • 25 Followers • 17:00, Jun 21 Local time

19*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.5 µg/m³

weather condition icon

21°

wind direction icon

8 km/h

weather humid icon

68 %

Hourly forecast

St. Louis air quality index (AQI⁺) forecast

Now

19

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

8

km/h

Humidity icon

68%

20:00

20

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20°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

6

km/h

Humidity icon

67%

21:00

20

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19°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

3

km/h

Humidity icon

73%

22:00

20

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19°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

5

km/h

Humidity icon

76%

23:00

20

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18°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

3

km/h

Humidity icon

79%

Mon

00:00

20

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17°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

4

km/h

Humidity icon

82%

01:00

20

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17°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

3

km/h

Humidity icon

85%

02:00

21

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

9

km/h

Humidity icon

86%

03:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

11

km/h

Humidity icon

81%

04:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

12

km/h

Humidity icon

88%

05:00

56

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

6

km/h

Humidity icon

96%

06:00

56

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

5

km/h

Humidity icon

98%

07:00

56

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

6

km/h

Humidity icon

97%

08:00

73

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

10

km/h

Humidity icon

93%

09:00

73

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 5 degree

12

km/h

Humidity icon

85%

10:00

73

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

14

km/h

Humidity icon

81%

11:00

75

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

15

km/h

Humidity icon

65%

12:00

75

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

17

km/h

Humidity icon

53%

13:00

75

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

17

km/h

Humidity icon

51%

14:00

41

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

15

km/h

Humidity icon

50%

15:00

41

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

13

km/h

Humidity icon

51%

16:00

41

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

13

km/h

Humidity icon

59%

17:00

25

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

12

km/h

Humidity icon

81%

18:00

25

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

14

km/h

Humidity icon

68%

19:00

25

Weather icon

90%

19°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

5

km/h

Humidity icon

87%

20:00

22

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

4

km/h

Humidity icon

82%

21:00

22

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

2

km/h

Humidity icon

84%

22:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

6

km/h

Humidity icon

88%

23:00

15

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13°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

11

km/h

Humidity icon

76%

Tue

00:00

15

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12°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

11

km/h

Humidity icon

87%

01:00

15

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

11

km/h

Humidity icon

91%

02:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

11

km/h

Humidity icon

94%

03:00

16

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10°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

12

km/h

Humidity icon

94%

04:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

10

km/h

Humidity icon

95%

05:00

19

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IQAir AirVisual Air Quality Map Wind rotating 313 degree

9

km/h

Humidity icon

95%

06:00

19

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IQAir AirVisual Air Quality Map Wind rotating 314 degree

9

km/h

Humidity icon

96%

07:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 314 degree

8

km/h

Humidity icon

94%

08:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 338 degree

10

km/h

Humidity icon

87%

09:00

18

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15°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

10

km/h

Humidity icon

83%

10:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

7

km/h

Humidity icon

75%

11:00

20

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

5

km/h

Humidity icon

69%

12:00

20

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

6

km/h

Humidity icon

63%

13:00

20

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

7

km/h

Humidity icon

56%

14:00

14

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

8

km/h

Humidity icon

53%

15:00

14

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23°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

7

km/h

Humidity icon

52%

16:00

14

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23°

IQAir AirVisual Air Quality Map Wind rotating 336 degree

9

km/h

Humidity icon

52%

17:00

11

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22°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

9

km/h

Humidity icon

56%

18:00

11

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22°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

8

km/h

Humidity icon

58%

19:00

11

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22°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

7

km/h

Humidity icon

58%

20:00

11

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

3

km/h

Humidity icon

61%

21:00

11

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18°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

10

km/h

Humidity icon

68%

22:00

11

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16°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

13

km/h

Humidity icon

78%

23:00

10

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15°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

11

km/h

Humidity icon

82%

Wed

00:00

10

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

13

km/h

Humidity icon

85%

01:00

10

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

10

km/h

Humidity icon

88%

02:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

9

km/h

Humidity icon

88%

03:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

9

km/h

Humidity icon

89%

04:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

7

km/h

Humidity icon

89%

05:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

8

km/h

Humidity icon

88%

06:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

7

km/h

Humidity icon

88%

07:00

20

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

8

km/h

Humidity icon

86%

08:00

24

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

7

km/h

Humidity icon

82%

09:00

24

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

11

km/h

Humidity icon

71%

10:00

24

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

6

km/h

Humidity icon

76%

11:00

67

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

1

km/h

Humidity icon

78%

12:00

67

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

7

km/h

Humidity icon

83%

13:00

67

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

8

km/h

Humidity icon

79%

14:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

9

km/h

Humidity icon

80%

15:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

13

km/h

Humidity icon

80%

16:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

12

km/h

Humidity icon

79%

17:00

24

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

13

km/h

Humidity icon

74%

18:00

24

Weather icon

80%

21°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

14

km/h

Humidity icon

76%

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

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in St. Louis

Health recommendations

Pollen

What is the pollen count in St. Louis today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

Moderate

50%

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

Pitt County, North Carolina

105

2
The national flag of USA

Calexico, California

104

3
The national flag of USA

Phoenix, Arizona

103

4
The national flag of USA

Indio, California

102

5
The national flag of USA

Archuleta, Colorado

101

6
The national flag of USA

Scottsdale, Arizona

101

7
The national flag of USA

Weld, Colorado

101

8
The national flag of USA

Crestline, California

98

9
The national flag of USA

Tempe, Arizona

98

10
The national flag of USA

Victorville, California

98

History

Historic air quality graph for St. Louis

19 AQI⁺ US
Good
17:00–18:00 Jun 21 Local time
AQI⁺ US

History

Historic air quality graph for St. Louis

19 AQI⁺ US
Good
17:00–18:00 Jun 21 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

Pitt County, North Carolina

105

2
The national flag of USA

Calexico, California

104

3
The national flag of USA

Phoenix, Arizona

103

4
The national flag of USA

Indio, California

102

5
The national flag of USA

Archuleta, Colorado

101

6
The national flag of USA

Scottsdale, Arizona

101

7
The national flag of USA

Weld, Colorado

101

8
The national flag of USA

Crestline, California

98

9
The national flag of USA

Tempe, Arizona

98

10
The national flag of USA

Victorville, California

98

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Where is the cleanest air quality in St. Louis?

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