Air Quality in Decatur, United States

Clear
36.0°C · 27.2% humidity
36.0°
Feels 36.0°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 1pm
27
27
35 4pm
33
31
30 7pm
29
27
26 10pm
26
26
25 1am
25
24
24 4am
24
24
24 7am
24
24
24 10am
24
24
AD 728×90

Air Quality Index Trend

48h · 1 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.

27.2%
Humidity
20.0 km/h
Wind NNE
1017.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.3 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Decatur?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.58.3 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
8.3
Median
8.5
Average
7.2
Low
9.8
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -0.9

What is the 7-day forecast for Decatur?

05-29
36.0° 18.1°
6.88 mm
05-30
32.3° 23.2°
0.13 mm
05-31
32.1° 18.7°
0.38 mm
06-01
32.0° 15.8°
06-02
33.8° 19.1°
06-03
30.8° 25.6°
06-04
31.2° 24.1°
0.13 mm
Both models agree Avg diff: 4.4°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
18
United Ave., Georgia, USA
8.3 km PM2.5: 4.3 µg/m³
34
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 8.2 µg/m³
20
Gwinnett Tech, Georgia, USA
29.5 km PM2.5: 4.8 µg/m³

What cities are near Decatur?

34 North Decatur 36 Belvedere Park 40 North Druid Hills 38 Candler-McAfee 31 Atlanta 46 Brookhaven 49 Tucker 54 Chamblee 37 Redan 37 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 2026-05-29T20:42 UTC.