Air Quality in Alpharetta, United States
Drizzle
19.7°C · 95.0% humidity
19.7°
Feels 19.7°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Alpharetta's air quality — share it
AQI Forecast
Calibrated
8
5pm
6
8
11
8pm
0
3
6
11pm
9
10
12
2am
13
13
7
5am
7
7
6
8am
8
8
8
11am
8
15
15
2pm
8
8
Station readings
13
5
17
CAMS model
adj -19
27
25
27
54
34
34
34
34
34
34
34
34
27
27
27
25
27
27
27
27
34
34
27
27
Air Quality Index Trend
39h · 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.
95.0%
Humidity
24.4 km/h
Wind W
1012.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.69 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Alpharetta?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.52.69 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
2.69
Median
2.69
Average
2.69
Low
2.69
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +7.0
What is the 7-day forecast for Alpharetta?
05-29
35.2° 15.3°
8.69 mm
05-30
28.6° 20.2°
1.25 mm
05-31
32.6° 16.5°
0.5 mm
06-01
31.9° 15.0°
0.13 mm
06-02
32.2° 17.0°
0.06 mm
06-03
26.4° 21.5°
06-04
26.9° 22.1°
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 2026-05-29T00:12 UTC.