Air quality in St Louis
Air quality index (AQI) and PM2.5 air pollution in St Louis
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St Louis Air Quality Map
Real-time St Louis air pollution map
Air Quality Data contributor(s)
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2
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 86°F |
| Humidity | 50% |
| Wind | 4.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Seaford, Delaware | 194 |
| 2 | Salton City, California | 193 |
| 3 | Charlotte Hall, Maryland | 162 |
| 4 | Lewes, Delaware | 159 |
| 5 | Lusby, Maryland | 158 |
| 6 | Felton, Delaware | 139 |
| 7 | Lexington Park, Maryland | 137 |
| 8 | Yosemite Np Turtleback Dome, California | 135 |
| 9 | Egg Harbor City, New Jersey | 134 |
| 10 | Cambridge, Maryland | 132 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live St Louis aqi ranking
Real-time St Louis air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | 216 Haven Street | 56 |
| 2 | Pershing Place | 52 |
(local time)
SEE WORLD AQI RANKING
Active fire 5.6 mi awayUS AQI
54
live AQI index
Moderate
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.4µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in St Louis is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in St Louis?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should reduce outdoor exercise |
Forecast
St Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, May 28 | Good 46 US AQI  |  | 84.2°59° |  4.5 mp/h |
| Monday, May 29 | Moderate 52 US AQI | | 86°64.4° | 4.5 mp/h |
| Tuesday, May 30 | Good 50 US AQI |  | 86°66.2° | 8.9 mp/h |
| Wednesday, May 31 | Moderate 55 US AQI | | 86°66.2° | 8.9 mp/h |
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Historical
Historic air quality graph for St Louis
How to best protect from air pollution?
St Louis air quality data attribution
2Contributors
- 2 Anonymous contributors
2 stations
Anonymous
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
