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Air quality in Saint Charles
Air quality index (AQI) and PM2.5 air pollution in Saint Charles
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Saint Charles Air Quality Map
Real-time Saint Charles air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Saint Charles today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Saint Charles?
| Weather | Rain |
| Temperature | 64.4°F |
| Humidity | 51% |
| Wind | 10.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Coachella, California | 177 |
| 2 | Palm Desert, California | 95 |
| 3 | Anchorage, Alaska | 70 |
| 4 | Cleveland, Ohio | 67 |
| 5 | Casa Grande, Arizona | 65 |
| 6 | Marana, Arizona | 58 |
| 7 | Thermal, California | 57 |
| 8 | Fairbanks, Alaska | 55 |
| 9 | Bridgeport, Connecticut | 53 |
| 10 | Campo, California | 53 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Charles aqi ranking
Real-time Saint Charles air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Orchard Farm | 35 |
| 2 | Cottleville Weldon Spring | 22 |
(local time)
SEE WORLD AQI RANKING
US AQI
34
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.2µg/m³ | |
| O3 | 84µg/m³ | |
✓
PM2.5 concentration in Saint Charles air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint Charles?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint Charles air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 20 | Good 31 AQI US |  | 57.2° 33.8° |  11.2 mp/h |
| Sunday, Apr 21 | Good 30 AQI US |  | 69.8° 39.2° | 11.2 mp/h |
| Monday, Apr 22 | Good 34 AQI US | | 64.4° 51.8° | 13.4 mp/h |
| Today | Good 34 AQI US | 100% | 64.4° 51.8° | 13.4 mp/h |
| Wednesday, Apr 24 | Good 15 AQI US | | 62.6° 44.6° | 6.7 mp/h |
| Thursday, Apr 25 | Good 21 AQI US | 60% | 62.6° 46.4° | 11.2 mp/h |
| Friday, Apr 26 | Good 44 AQI US | 100% | 73.4° 53.6° | 17.9 mp/h |
| Saturday, Apr 27 | Moderate 56 AQI US  | 60% | 78.8° 64.4° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 61 AQI US | 100% | 71.6° 64.4° | 15.7 mp/h |
| Monday, Apr 29 | Moderate 72 AQI US | 100% | 71.6° 59° | 15.7 mp/h |
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News
The latest air quality news and resources.
Saint Charles air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Charles?
AQI US, Metric