Air Quality in Clayton, United States
Windy
20.7°C · 33.2% humidity
20.7°
Feels 20.7°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
37
4pm
37
37
37
7pm
37
37
50
10pm
50
75
75
1am
75
75
75
4am
75
50
50
7am
50
50
50
10am
50
75
25
1pm
25
25
33.2%
Humidity
88.0 km/h
Wind S
1020.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Clayton?
Temperature & Precipitation
PM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Clayton?
04-09
20.7° 9.9°
04-10
22.5° 12.4°
04-11
20.6° 14.3°
20.63 mm
04-12
25.6° 16.9°
0.62 mm
04-13
28.6° 19.2°
0.31 mm
04-14
25.8° 21.0°
0.62 mm
04-15
17.4° 9.0°
4.5 mm
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Clayton?
36
Ladue, Missouri, USA
28
Forest Park, Missouri, USA
44
East St. Louis, Illinois, USA
43
Arnold West, Missouri, USA
What cities are near Clayton?
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T19:39 UTC.