What is the air quality in Decatur today?

The current Air Quality Index (AQI) in Decatur is 50 (Good). PM2.5 concentration is 12.0 µg/m³.

What is the temperature in Decatur right now?

The current temperature in Decatur is 22.7°C (feels like 22.7°C). Humidity is 68.2% and wind speed is 28.3 km/h.

Is it safe to go outside in Decatur?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Decatur, United States

Partly Cloudy

22.7°C · 68.2% humidity

22.7°

Feels 22.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 9pm

50 12am

34 3am

28 6am

25 9am

24 12pm

24 3pm

24 6pm

Air Quality Index Trend

35h · 2 stn

View full history →

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.

68.2%

Humidity

28.3 km/h

Wind SSW

1017.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Decatur?

Temperature & Precipitation

PM2.5 Trend

35h · 2 stations

PM2.512.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

12.0

Median

12.0

Average

12.0

Low

12.0

High

PM2.5 µg/m³ · Model: 7.0 · Bias: -5.0

What is the 7-day forecast for Decatur?

05-30

29.2° 20.1°

2.87 mm

05-31

31.9° 13.7°

06-01

29.4° 17.4°

0.62 mm

06-02

30.8° 15.3°

0.13 mm

06-03

28.3° 22.3°

06-04

28.5° 23.2°

5.0 mm

06-05

28.2° 16.0°

0.19 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Decatur?

Decatur, Alabama, USA

8.7 km PM2.5: 10.1 µg/m³

What cities are near Decatur?

23 Madison 23 Huntsville 27 Cullman 30 East Florence 30 Florence 24 Albertville 34 Dixiana 38 Tullahoma 29 Center Point 24 Gadsden

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 2026-05-30T05:06 UTC.