Air Quality in Decatur, United States
Clear
15.3°C · 38.2% humidity
15.3°
Feels 15.3°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
Calibrated
21
6pm
19
14
14
9pm
14
14
14
12am
27
27
27
3am
14
14
14
6am
14
2
2
9am
2
14
14
12pm
14
14
14
3pm
2
2
Station readings
21
19
14
CAMS model
adj -23
50
37
37
37
37
37
37
50
50
50
37
37
37
37
25
25
25
37
37
37
37
37
25
25
PM2.5 Trend (24h)
28h · 1 station38.2%
Humidity
39.3 km/h
Wind ENE
1025.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Decatur?
Temperature & Precipitation
PM2.54.76 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Decatur?
04-09
17.0° 4.6°
04-10
20.5° 8.4°
04-11
24.7° 11.5°
04-12
25.8° 13.8°
04-13
26.7° 14.5°
04-14
27.9° 17.2°
04-15
24.6° 18.9°
1.56 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Decatur?
4
united-states-of-america-atlanta-park-drive-ne
47
United Ave., Georgia, USA
48
United Ave., Georgia, USA
42
South DeKalb, Georgia, USA
51
South DeKalb, Georgia, USA
47
Gwinnett Tech, Georgia, USA
What cities are near Decatur?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:16 UTC.