Air quality in Saint Louis

Air quality index (AQI) and PM2.5 air pollution in Saint Louis

Last update at (local time)

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AIR QUALITY DATA CONTRIBUTORS

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4 Contributors

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Pollen

What is the pollen count in Saint Louis today?

IndexN/A
Tree pollenN/A
Grass pollenN/A
Weed pollenN/A
See pollen forecast

Weather

What is the current weather in Saint Louis?

Weather icon
WeatherClear sky
Temperature50°F
Humidity52%
Wind5.7 mp/h
Pressure30.1 Hg

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Lawrence, Kansas

91

2 Casa Grande, Arizona

78

3 Valentine, Nebraska

71

4 Carter Lake, Iowa

68

5 Kansas City, Kansas

68

6 Keosauqua, Iowa

68

7 Muscatine, Iowa

67

8 Kansas City, Missouri

66

9 Medina, Ohio

63

10 Omaha, Nebraska

63

(local time)

SEE WORLD AQI RANKING

live Saint Louis aqi ranking

Real-time Saint Louis air quality ranking

#stationUS AQI
1 Buchanan Street

46

2 Forest Park

43

3 Windswept Drive

43

4 Branch Street

42

5 Ladue

41

6 BLAIR STREET

38

7 BROADWAY (South)

27

8 Muirfield Lane

12

(local time)

SEE WORLD AQI RANKING

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US AQI

42

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality in Saint Louis?

Air pollution levelAir quality indexMain pollutant
Good 42 US AQItrendPM2.5
PollutantsConcentration
PM2.5
10.1µg/m³trend
PM10
26µg/m³trend
!

PM2.5

x2

PM2.5 concentration in Saint Louis is currently 2 times the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in Saint Louis?

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Forecast

Saint Louis air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Tuesday, Mar 26

Good 17 AQI US

Human face indicating AQI level
Weather icon
53.6° 32°
Wind rotating 325 degree 8.9 mp/h
Wednesday, Mar 27

Good 29 AQI US

Human face indicating AQI level
Weather icon
64.4° 35.6°
Wind rotating 245 degree 8.9 mp/h
Thursday, Mar 28

Good 34 AQI US

Human face indicating AQI level
Weather icon
69.8° 42.8°
Wind rotating 195 degree 17.9 mp/h
Today

Good 42 AQI US

Human face indicating AQI level
Weather icon
69.8° 42.8°
Wind rotating 195 degree 17.9 mp/h
Saturday, Mar 30

Good 27 AQI US

Human face indicating AQI level
Weather icon 60%
64.4° 53.6°
Wind rotating 199 degree 13.4 mp/h
Sunday, Mar 31

Good 35 AQI US

Human face indicating AQI level
Weather icon 40%
75.2° 57.2°
Wind rotating 218 degree 13.4 mp/h
Monday, Apr 1

Good 38 AQI US

Human face indicating AQI level
Weather icon 100%
69.8° 62.6°
Wind rotating 189 degree 22.4 mp/h
Tuesday, Apr 2

Moderate 53 AQI US

Human face indicating AQI level
Weather icon 100%
64.4° 41°
Wind rotating 269 degree 22.4 mp/h
Wednesday, Apr 3

Good 5 AQI US

Human face indicating AQI level
Weather icon
53.6° 35.6°
Wind rotating 328 degree 11.2 mp/h
Thursday, Apr 4

Good 4 AQI US

Human face indicating AQI level
Weather icon
64.4° 41°
Wind rotating 140 degree 6.7 mp/h

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How to best protect from air pollution?

Reduce your air pollution exposure in Saint Louis

Saint Louis air quality data attribution

4Contributors

2 Data sources

Data validated and calibrated by IQAirData validated and calibrated by IQAir
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