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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 |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 68°F |
| Humidity | 73% |
| Wind | 18.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Marana, Arizona | 61 |
| 2 | San Antonio, Texas | 60 |
| 3 | Braddock, Pennsylvania | 59 |
| 4 | Corpus Christi, Texas | 59 |
| 5 | Urbana, Illinois | 59 |
| 6 | Champaign, Illinois | 58 |
| 7 | Beaver, Pennsylvania | 56 |
| 8 | Charleston, West Virginia | 56 |
| 9 | The Woodlands, Texas | 55 |
| 10 | Casa Grande, Arizona | 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 | Cottleville Weldon Spring | 40 |
| 2 | Orchard Farm | 31 |
(local time)
SEE WORLD AQI RANKING
US AQI
46
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 46 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.2µg/m³ | |
| O3 | 66µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Saint Charles is currently 2.2 times 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 |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 30 AQI US |  | 66.2° 51.8° |  20.1 mp/h |
| Friday, Apr 26 | Good 33 AQI US | | 77° 62.6° | 17.9 mp/h |
| Saturday, Apr 27 | Good 37 AQI US | | 73.4° 64.4° | 17.9 mp/h |
| Today | Good 46 AQI US | 100% | 73.4° 64.4° | 17.9 mp/h |
| Monday, Apr 29 | Good 42 AQI US | 100% | 73.4° 59° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 29 AQI US | | 80.6° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 44 AQI US | 90% | 86° 64.4° | 11.2 mp/h |
| Thursday, May 2 | Good 46 AQI US | 70% | 78.8° 66.2° | 15.7 mp/h |
| Friday, May 3 | Moderate 54 AQI US  | 100% | 77° 64.4° | 13.4 mp/h |
| Saturday, May 4 | Good 11 AQI US | 90% | 60.8° 46.4° | 20.1 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