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Air quality in Saint Louis
Air quality index (AQI) and PM2.5 air pollution in Saint Louis
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Saint Louis Air Quality Map
Real-time Saint Louis air pollution map
AIR QUALITY DATA CONTRIBUTORS
4 Contributors
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Pollen
What is the pollen count in Saint Louis today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Louis?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 74% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Coachella, California | 95 |
| 2 | Palm Desert, California | 74 |
| 3 | Mecca, California | 71 |
| 4 | New York City, New York | 69 |
| 5 | Cleveland, Ohio | 68 |
| 6 | Boerne, Texas | 67 |
| 7 | Pahrump, Nevada | 63 |
| 8 | Corpus Christi, Texas | 62 |
| 9 | Casa Grande, Arizona | 61 |
| 10 | Lubbock, Texas | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Louis aqi ranking
Real-time Saint Louis air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Branch Street | 41 |
| 2 | BLAIR STREET | 37 |
| 3 | BROADWAY (South) | 29 |
| 4 | Windswept Drive | 29 |
| 5 | Ladue | 26 |
| 6 | Forest Park | 15 |
| 7 | Buchanan Street | 10 |
| 8 | Muirfield Lane | 4 |
(local time)
SEE WORLD AQI RANKING
US AQI
30
live AQI index
Good
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30 US AQI | PM10 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.7µg/m³ | |
| PM10 | 33µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Saint Louis is currently 1.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint Louis?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Apr 28 | Good 30 AQI US |  | 73.4° 59° |  8.9 mp/h |
| Monday, Apr 29 | Good 30 AQI US | | 80.6° 57.2° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 29 AQI US | | 78.8° 60.8° | 6.7 mp/h |
| Today | Good 30 AQI US | 100% | 78.8° 60.8° | 6.7 mp/h |
| Thursday, May 2 | Good 49 AQI US | 90% | 82.4° 62.6° | 11.2 mp/h |
| Friday, May 3 | Good 37 AQI US | 100% | 75.2° 60.8° | 4.5 mp/h |
| Saturday, May 4 | Good 34 AQI US | 90% | 82.4° 60.8° | 11.2 mp/h |
| Sunday, May 5 | Good 30 AQI US |  | 69.8° 53.6° | 8.9 mp/h |
| Monday, May 6 | Moderate 69 AQI US  | 90% | 77° 59° | 11.2 mp/h |
| Tuesday, May 7 | Moderate 78 AQI US | 100% | 80.6° 66.2° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Saint Louis air quality data attribution
4Contributors
- Missouri Department of Natural Resources
1 station
Government Contributor
- 3 Anonymous contributors
3 stations
3 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Louis?
AQI US, Metric