City
Saint Charles
1 monitoring stations · readings from 46 to 46
Average AQI
46Good
0GoodUnhealthy500
GoodModerateSensitiveUnhealthyVery UnhealthyHazardous
Sensor onlineUpdated local timeLast 24 hours
min 21 · avg 43 · max 54
Fri 18:3124 hoursSat 18:01
Conditions
23°C
Patchy rain nearby
- Humidity
- 83%
- Wind
- 25 km/h
- Feels
- 21°C
Pollutants
PM2.5
11
µg/m³
PM10
21
µg/m³
NO₂
6
µg/m³
SO₂
2
µg/m³
O₃
28
µg/m³
CO
207
µg/m³
Stations in Saint Charles
Coordinates
38.899, -90.449
Centroid of monitored stations
Stations
1
Reporting in this area
Spread
46 – 46
Cleanest to worst station reading