AddAir quality in St. Charles
Air quality index (AQI⁺) and PM2.5 air pollution in St. Charles • 07:00, May 24 Local time
12
US AQI⁺Good
Main pollutant:
PM2.5
2.3 µg/m³
21°
11 km/h
75 %
Hourly forecast
St. Charles air quality index (AQI⁺) forecast
Daily forecast
St. Charles air quality index (AQI⁺) forecast
| Today | 30 | | 27° 17° |  14 km/h | 61% |
| Mon | 37 | | 28° 15° | 18 km/h | 55% |
| Tue | 61 |  90% | 26° 17° | 17 km/h | 76% |
Air pollutants
What is the current air quality in St. Charles?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Charles today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Charles today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed None | 0% |
Source:
wetter.comMost polluted locations near St. Charles
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in St. Charles
Historic air quality near St. Charles
History
Historic air quality graph for St. Charles
Historic air quality near St. Charles
History
Historic air quality graph for St. Charles
Most polluted locations near St. Charles
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in St. Charles
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