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

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
AD 728×90

Air Quality Index Trend

43h · 1 stn

Alpharetta'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
PM2.5
63
17.66 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.517.66 µg/m³ ×1.2 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
17.66
Median
17.66
Average
17.66
Low
17.66
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -6.8
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°
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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 2026-05-29T23:35 UTC.