Air Quality in Decatur, United States

Windy
18.9°C · 49.9% humidity
18.9°
Feels 18.9°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 10pm
54
54
20 1am
30
49
53 4am
57
60
61 7am
63
64
64 10am
53
53
53 1pm
54
54
34 4pm
34
34
34 7pm
54
54
AD 728×90

Air Quality Index Trend

46h · 2 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▲
20
4.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Decatur?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.54.8 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
4.8
Median
4.8
Average
4.8
Low
4.8
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +4.8

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: 3.7°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
30
United Ave., Georgia, USA
8.3 km PM2.5: 7.2 µg/m³
5
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 1.2 µg/m³
6
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 1.4 µg/m³

What cities are near Decatur?

20 North Decatur 20 Belvedere Park 20 North Druid Hills 20 Candler-McAfee 20 Atlanta 20 Brookhaven 16 Tucker 17 Chamblee 17 Redan 20 Stonecrest
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T05:37 UTC.