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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
5 Contributors
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Pollen
What is the pollen count in St Louis today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 73.4°F |
| Humidity | 79% |
| Wind | 8.1 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Marana, Arizona | 120 |
| 2 | Yucaipa, California | 83 |
| 3 | Claremont, California | 81 |
| 4 | Duchesne, Utah | 79 |
| 5 | La Verne, California | 78 |
| 6 | Glendora, California | 77 |
| 7 | Fontana, California | 75 |
| 8 | Boerne, Texas | 74 |
| 9 | Mission, Texas | 74 |
| 10 | Rancho Cucamonga, California | 74 |
(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 | Shaw | 33 |
| 2 | Central West End | 30 |
| 3 | Hyde Park | 30 |
| 4 | Pershing Place | 20 |
| 5 | 216 Haven Street | 12 |
(local time)
SEE WORLD AQI RANKING
US AQI
30
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in St Louis is currently 1.1 times the WHO annual air quality guideline value
Forecast
St Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 22 AQI US |  | 75.2° 62.6° |  8.9 mp/h |
| Saturday, Jun 1 | Good 23 AQI US |  | 82.4° 60.8° | 4.5 mp/h |
| Sunday, Jun 2 | Good 31 AQI US | | 86° 66.2° | 13.4 mp/h |
| Today | Good 30 AQI US | 90% | 80.6° 68° | 13.4 mp/h |
| Tuesday, Jun 4 | Good 49 AQI US | 90% | 82.4° 68° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 19 AQI US |  | 77° 64.4° | 15.7 mp/h |
| Thursday, Jun 6 | Good 11 AQI US |  | 75.2° 59° | 17.9 mp/h |
| Friday, Jun 7 | Good 18 AQI US | | 71.6° 55.4° | 13.4 mp/h |
| Saturday, Jun 8 | Moderate 78 AQI US  | 70% | 69.8° 59° | 11.2 mp/h |
| Sunday, Jun 9 | Moderate 71 AQI US | 40% | 68° 53.6° | 11.2 mp/h |
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St Louis air quality data attribution
5Contributors
- amlai
1 station
Individual Contributor
- 4 Anonymous contributors
4 stations
4 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
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AQI US, Metric