What is the air quality in Decatur today?

The current Air Quality Index (AQI) in Decatur is 60 (Moderate). PM2.5 concentration is 16.4 µg/m³.

What is the temperature in Decatur right now?

The current temperature in Decatur is 21.6°C (feels like 21.6°C). Humidity is 23.5% and wind speed is 21.8 km/h.

Air Quality in Decatur, United States

Clear

21.6°C · 23.5% humidity

21.6°

Feels 21.6°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 3 stn

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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. Current PM2.5 concentration in Decatur is 1.1× the WHO 24-hour guideline of 15 µg/m³.

23.5%

Humidity

21.8 km/h

Wind WSW

1017.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

16.4 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Decatur?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations

PM2.516.4 µg/m³ ×1.1 WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

16.4

Median

16.4

Average

16.4

Low

16.4

High

PM2.5 µg/m³ · Model: 13.5 · Bias: -2.9

What is the 7-day forecast for Decatur?

10-20

22.3° 8.2°

10-21

26.2° 10.9°

10-22

25.3° 15.4°

10-23

19.8° 11.1°

12.81 mm

10-24

21.8° 15.4°

10-25

20.9° 8.7°

0.06 mm

10-26

23.4° 8.8°

0.31 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Decatur?

United Ave., Georgia, USA

8.3 km PM2.5: 23.0 µg/m³

What cities are near Decatur?

60 North Decatur 60 Belvedere Park 60 North Druid Hills 60 Candler-McAfee 60 Atlanta 60 Brookhaven 60 Tucker 60 Chamblee 60 Redan 60 Stonecrest

Get AQI alerts for Decatur

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T20:57 UTC.