Air Quality in Affton, 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 3pm
37
37
37 6pm
37
37
37 9pm
50
50
50 12am
50
75
75 3am
75
75
50 6am
50
50
37 9am
37
37
50 12pm
25
25
AD 728×90
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 Affton?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Affton?

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: 3.3°C

Where are air quality stations near Affton?

36
Forest Park, Missouri, USA
10.0 km
33
Ladue, Missouri, USA
11.2 km
42
Arnold West, Missouri, USA
12.7 km
99
Branch Street, Missouri, USA
17.1 km

What cities are near Affton?

25 Concord 25 Mehlville 25 Lemay 25 Webster Groves 25 Kirkwood 25 Oakville 25 Clayton 25 University City 25 Creve Coeur 25 St. Louis

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:40 UTC.