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
18
8pm
38
38
29
11pm
32
33
35
2am
36
36
17
5am
17
37
38
8am
18
38
38
11am
18
18
11
2pm
11
11
11
5pm
11
11
Station readings
7
4
CAMS model
adj -16
34
54
54
54
54
54
54
54
54
34
34
54
54
34
54
54
34
34
27
27
27
27
27
27
Air Quality Index Trend
45h · 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
45h · 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 2026-08-08T03:05 UTC.