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
Temperature73.4°F
Humidity71%
Wind9.2 mp/h
Pressure29.9 Hg

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Maryville, Tennessee

71

2 Casa Grande, Arizona

63

3 Shreveport, Louisiana

62

4 Decorah, Iowa

61

5 Metlakatla, Alaska

60

6 Bryson City, North Carolina

59

7 Johnson City, Tennessee

59

8 San Jacinto, California

56

9 Decatur, Georgia

55

10 Atlanta, Georgia

54

(local time)

SEE WORLD AQI RANKING

live Saint Louis aqi ranking

Real-time Saint Louis air quality ranking

#stationUS AQI
1 Branch Street

59

2 Forest Park

54

3 BLAIR STREET

47

4 Windswept Drive

40

5 BROADWAY (South)

39

6 Ladue

39

7 Buchanan Street

25

8 Muirfield Lane

10

(local time)

SEE WORLD AQI RANKING

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US AQI

39

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 39 US AQIPM2.5
PollutantsConcentration
PM2.5
9.5µg/m³
PM10
42.5µg/m³
!

PM2.5

x1.9

PM2.5 concentration in Saint Louis is currently 1.9 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
Saturday, Apr 13

Good 28 AQI US

Human face indicating AQI level
Weather icon
84.2° 59°
Wind rotating 229 degree 11.2 mp/h
Sunday, Apr 14

Good 47 AQI US

Human face indicating AQI level
Weather icon
84.2° 62.6°
Wind rotating 136 degree 8.9 mp/h
Monday, Apr 15

Good 48 AQI US

Human face indicating AQI level
Weather icon
80.6° 64.4°
Wind rotating 172 degree 20.1 mp/h
Today

Good 39 AQI US

Human face indicating AQI level
Weather icon 100%
80.6° 64.4°
Wind rotating 172 degree 20.1 mp/h
Wednesday, Apr 17

Good 37 AQI US

Human face indicating AQI level
Weather icon
69.8° 57.2°
Wind rotating 268 degree 17.9 mp/h
Thursday, Apr 18

Good 13 AQI US

Human face indicating AQI level
Weather icon 100%
64.4° 50°
Wind rotating 8 degree 11.2 mp/h
Friday, Apr 19

Good 42 AQI US

Human face indicating AQI level
Weather icon 100%
60.8° 46.4°
Wind rotating 358 degree 11.2 mp/h
Saturday, Apr 20

Good 9 AQI US

Human face indicating AQI level
Weather icon
59° 48.2°
Wind rotating 6 degree 8.9 mp/h
Sunday, Apr 21

Good 11 AQI US

Human face indicating AQI level
Weather icon
60.8° 46.4°
Wind rotating 7 degree 6.7 mp/h
Monday, Apr 22

Good 11 AQI US

Human face indicating AQI level
Weather icon
68° 44.6°
Wind rotating 164 degree 11.2 mp/h

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How to best protect from air pollution?

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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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