Air Quality in Alpharetta, United States
Windy
32.5°C · 50.0% humidity
32.5°
Feels 36.6°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Alpharetta's air quality — share it
AQI Forecast
Calibrated
20
9pm
20
20
29
12am
26
25
23
3am
22
2
1
6am
21
21
0
9am
20
20
0
12pm
0
0
0
3pm
0
0
0
6pm
0
0
Station readings
4
4
2
CAMS model
adj -34
54
54
54
54
54
54
54
54
34
34
54
54
34
54
54
34
34
27
27
27
27
27
27
34
Air Quality Index Trend
46h · 1 stnAlpharetta's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
50.0%
Humidity
52.8 km/h
Wind WNW
1012.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.04 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Alpharetta?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.57.04 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
7.04
Median
7.04
Average
7.04
Low
7.04
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.3
What is the 7-day forecast for Alpharetta?
08-03
32.5° 22.6°
0.19 mm
08-04
34.0° 21.4°
0.13 mm
08-05
32.0° 16.2°
7.69 mm
08-06
34.3° 19.3°
1.06 mm
08-07
34.0° 20.2°
0.44 mm
08-08
34.8° 21.1°
8.63 mm
08-09
33.8° 21.4°
20.19 mm
Both models agree
Avg diff: 2.5°C
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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 2026-08-08T04:48 UTC.