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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 CONTRIBUTORS
3 Contributors
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Pollen
What is the pollen count in St 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 St Louis?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 92% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 74 |
| 2 | Pahrump, Nevada | 72 |
| 3 | Casa Grande, Arizona | 65 |
| 4 | Palm Desert, California | 65 |
| 5 | Prineville, Oregon | 63 |
| 6 | Yucaipa, California | 61 |
| 7 | Corpus Christi, Texas | 60 |
| 8 | Greenville, South Carolina | 59 |
| 9 | Johnson City, Tennessee | 59 |
| 10 | Claremont, California | 57 |
(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 | Central West End | 23 |
| 2 | Hyde Park | 19 |
| 3 | Shaw | 17 |
(local time)
SEE WORLD AQI RANKING
US AQI
19
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.5µg/m³ | |
✓
PM2.5 concentration in St Louis air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St Louis?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
St Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 1 | Good 26 AQI US |  | 82.4° 60.8° |  13.4 mp/h |
| Thursday, May 2 | Good 17 AQI US | | 73.4° 60.8° | 6.7 mp/h |
| Friday, May 3 | Good 19 AQI US | | 82.4° 59° | 11.2 mp/h |
| Today | Good 19 AQI US | 70% | 82.4° 59° | 11.2 mp/h |
| Sunday, May 5 | Good 27 AQI US | 50% | 73.4° 53.6° | 6.7 mp/h |
| Monday, May 6 | Good 50 AQI US | 100% | 78.8° 62.6° | 6.7 mp/h |
| Tuesday, May 7 | Moderate 52 AQI US  | 100% | 82.4° 60.8° | 17.9 mp/h |
| Wednesday, May 8 | Moderate 56 AQI US | 100% | 82.4° 62.6° | 17.9 mp/h |
| Thursday, May 9 | Good 40 AQI US |  | 68° 53.6° | 17.9 mp/h |
| Friday, May 10 | Good 10 AQI US | 20% | 64.4° 50° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
St Louis air quality data attribution
3Contributors
- amlai
1 station
Individual Contributor
- 2 Anonymous contributors
2 stations
2 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
AQI US, Metric