AddAir quality in St. Charles
Air quality index (AQI⁺) and PM2.5 air pollution in St. Charles • 57 Followers • 19:00, Aug 16 Local time
37*
US AQI⁺Good
Main pollutant:
PM2.5
6.8 µg/m³
17°
8 km/h
89 %
Hourly forecast
St. Charles air quality index (AQI⁺) forecast
Daily forecast
St. Charles air quality index (AQI⁺) forecast
| Today | 49 |  | 25° 13° |  14 km/h | 75% |
| Mon | 51 | | 25° 17° | 16 km/h | 84% |
| Tue | 60 | | 29° 14° | 13 km/h | 50% |
Air pollutants
What is the current air quality in St. Charles?
PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.
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
High
 Tree None | 0% |
 Grass None | 0% |
 Weed High | 75% |
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
High
Tree None | 0% |
Grass None | 0% |
Weed High | 75% |
Source:
wetter.comMost polluted locations near St. Charles
Worldwide AQI⁺ ranking
City ranking
Real-time USA AQI⁺ city ranking
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⁺ rankingCity ranking
