Air Quality in Alpharetta, United States
Windy
20.1°C · 51.0% humidity
20.1°
Feels 20.1°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Alpharetta's air quality — share it
AQI Forecast
Calibrated
46
7pm
46
46
5
10pm
17
37
43
1am
47
50
52
4am
54
55
44
7am
45
57
57
10am
57
58
46
1pm
46
46
46
4pm
46
46
Station readings
4
5
CAMS model
adj -8
54
54
54
54
54
66
66
66
66
66
66
66
54
54
66
66
66
66
54
54
54
54
54
54
Air Quality Index Trend
44h · 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.
51.0%
Humidity
50.4 km/h
Wind NW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.15 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Alpharetta?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.51.15 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
1.15
Median
1.15
Average
1.15
Low
1.15
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +8.5
What is the 7-day forecast for Alpharetta?
06-09
20.3° 13.1°
4.12 mm
06-10
32.1° 22.8°
0.06 mm
06-11
27.2° 23.6°
06-12
34.9° 20.5°
4.31 mm
06-13
26.6° 17.9°
2.06 mm
06-14
31.8° 20.0°
11.06 mm
06-15
33.8° 16.5°
3.69 mm
Both models agree
Avg diff: 3.7°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 2026-06-09T02:11 UTC.