Air quality in St Louis

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

LAST UPDATE (local time)

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Air Quality Data contributor(s)

Station(s) operated by

3 Anonymous contributor

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Weather

What is the current weather in St Louis?

Weather icon
WeatherRain
Temperature44.6°C
Humidity87%
Wind0 mp/h
Pressure1016 mb

live aqi city ranking

Real-time USA city ranking

Tooltip icon
#cityUS AQI
1 Weaverville, California

181

2 Cypress, California

164

3 Easton, California

162

4 La Mirada, California

158

5 Avenal, California

152

6 Cudahy, California

148

7 Hiram, Georgia

144

8 Salida, California

137

9 Corbin, Kentucky

131

10 Kern, California

127

(local time)

SEE WORLD AQI RANKING

live St Louis aqi ranking

Real-time St Louis air quality ranking

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#stationUS AQI
1 3247 Blair Avenue

67

2 Pershing Place

54

3 216 Haven Street

52

(local time)

SEE WORLD AQI RANKING

US AQI

54

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in St Louis?

Air pollution levelAir quality indexMain pollutant
Moderate 54 US AQItrendPM2.5
PollutantsConcentration
PM2.5
13.7 µg/m³trend
!

PM2.5

x2.7

PM2.5 concentration in St Louis air is currently 2.7 times above the WHO annual air quality guideline value

Health Recommendations

How to protect from air pollution in St Louis?

An open window iconClose your windows to avoid dirty outdoor air
A man cycling iconSensitive groups should reduce outdoor exercise

Forecast

St Louis air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Saturday, Nov 27

Good 40 US AQI

Human face indicating AQI level
Sunday, Nov 28

Good 40 US AQI

Human face indicating AQI level
Monday, Nov 29

Good 29 US AQI

Human face indicating AQI level
Tuesday, Nov 30

Moderate 57 US AQI

Human face indicating AQI level
Weather icon62.6°44.6°
Wind rotating 286 degree

8.9 mp/h

Today

Moderate 54 US AQI

Human face indicating AQI level
Weather icon68°50°
Wind rotating 277 degree

13.4 mp/h

Thursday, Dec 2

Good 37 US AQI

Human face indicating AQI level
Weather icon66.2°48.2°
Wind rotating 3 degree

8.9 mp/h

Friday, Dec 3

Good 34 US AQI

Human face indicating AQI level
Weather icon51.8°41°
Wind rotating 48 degree

8.9 mp/h

Saturday, Dec 4

Good 43 US AQI

Human face indicating AQI level
Weather icon60.8°42.8°
Wind rotating 315 degree

13.4 mp/h

Sunday, Dec 5

Good 12 US AQI

Human face indicating AQI level
Weather icon42.8°32°
Wind rotating 303 degree

15.7 mp/h

Monday, Dec 6

Good 16 US AQI

Human face indicating AQI level
Weather icon32°32°
Wind rotating 97 degree

11.2 mp/h

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Historical

Historic air quality graph for St Louis

How to best protect from air pollution?

Reduce your air pollution exposure in St Louis

St Louis air quality data attribution

Contributors 1

Data sources 1

Data validated and calibrated by IQAir

Where is the cleanest air quality in St Louis?

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