Air Quality in Alpharetta, United States
Drizzle
28.6°C · 47.9% humidity
28.6°
Feels 30.8°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Alpharetta's air quality — share it
AQI Forecast
Calibrated
59
4pm
59
66
63
7pm
66
66
66
10pm
59
59
57
1am
56
56
56
4am
56
56
56
7am
56
56
57
10am
56
56
56
1pm
56
57
Station readings
67
62
66
60
CAMS model
adj +32
27
27
34
34
34
34
34
27
27
25
24
24
24
24
24
24
24
24
25
24
24
24
24
25
Air Quality Index Trend
43h · 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. Current PM2.5 concentration in Alpharetta is 1.2× the WHO 24-hour guideline of 15 µg/m³.
47.9%
Humidity
31.2 km/h
Wind NW
1015.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.66 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Alpharetta?
Temperature & Precipitation
PM2.5 Trend
43h · 1 stationPM2.517.66 µg/m³
×1.2 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
17.66
Median
17.66
Average
17.66
Low
17.66
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -6.8
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: 3.2°C
Where are air quality stations near Alpharetta?
What cities are near Alpharetta?
Get AQI alerts for Alpharetta
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T23:35 UTC.