Air Quality in Decatur, United States

Windy
18.9°C · 49.9% humidity
18.9°
Feels 18.9°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 12am
54
54
52 3am
56
59
61 6am
62
63
64 9am
65
53
53 12pm
54
54
54 3pm
34
34
34 6pm
34
54
54 9pm
54
34
AD 728×90

Air Quality Index Trend

44h · 3 stn

Decatur's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

49.9%
Humidity
41.3 km/h
Wind NNW
1012.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.5 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Decatur?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations
PM2.512.5 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Decatur?

06-09
24.6° 18.9°
06-10
33.6° 24.4°
0.06 mm
06-11
30.0° 24.8°
06-12
37.0° 21.8°
5.81 mm
06-13
31.5° 20.9°
1.69 mm
06-14
34.2° 21.4°
1.44 mm
06-15
36.8° 19.3°
1.94 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Decatur?

4
united-states-of-america-atlanta-park-drive-ne
6.3 km PM2.5: 1.0 µg/m³
3
United Ave., Georgia, USA
8.3 km PM2.5: 0.7 µg/m³
5
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 1.2 µg/m³
10
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 2.4 µg/m³

What cities are near Decatur?

52 North Decatur 52 Belvedere Park 52 North Druid Hills 52 Candler-McAfee 52 Atlanta 52 Brookhaven 52 Tucker 52 Chamblee 52 Redan 52 Stonecrest
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T07:07 UTC.