AddAir quality in St. Charles
Air quality index (AQI⁺) and PM2.5 air pollution in St. Charles • 5 Followers • 17:00, Jun 01 Local time
23*
US AQI⁺Good
Main pollutant:
PM2.5
4.3 µg/m³
19°
23 km/h
39 %
Hourly forecast
St. Charles air quality index (AQI⁺) forecast
Daily forecast
St. Charles air quality index (AQI⁺) forecast
| Today | 23 | | 24° 11° |  26 km/h | 55% |
| Mon | 25 | | 23° 8° | 20 km/h | 49% |
| Tue | 30 | | 25° 9° | 11 km/h | 52% |
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
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
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
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comMost polluted locations near St. Charles
Worldwide AQI⁺ 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⁺ ranking
