Air quality near Cottleville Weldon Spring, St. Charles County
Air quality index (AQI⁺) and PM2.5 air pollution near Cottleville Weldon Spring, St. Charles County • 870 Followers • 18:00, Apr 24 Local time
Data source: PurpleAir
16
US AQI⁺Good
Main pollutant:
PM2.5
2.8 µg/m³
21°
11 km/h
72 %
Data source: PurpleAir
Hourly forecast
Cottleville Weldon Spring, St. Charles County air quality index (AQI⁺) forecast
Daily forecast
Cottleville Weldon Spring, St. Charles County air quality index (AQI⁺) forecast
| Today | 15 | 22° 15° | 21 km/h | 86% | |
| Fri | 15 | 24° 11° | 18 km/h | 66% | |
| Sat | 22 | 23° 10° | 22 km/h | 67% |
Air pollutants
What is the current air quality near Cottleville Weldon Spring?
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 |

Real-time Cottleville Weldon Spring, St. Charles County air pollution map
Pollen
What is the pollen count in Cottleville Weldon Spring today?
Index
Moderate
Tree Moderate | 50% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Cottleville Weldon Spring
Pollen
What is the pollen count in Cottleville Weldon Spring today?
Index
Moderate
Tree Moderate | 50% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comHistoric air quality near Cottleville Weldon Spring
History
Historic air quality graph for Cottleville Weldon Spring
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Worldwide AQI⁺ rankingStation ranking












