Today | Weather | Thursday, July 23, 2026

Weather in Alpharetta, Georgia

06:33 AM
Now
Cloudy Weather
73° F
Feels Like 79°
Precipitation 29 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 94 %
Today
Stormy Weather
Day 88°
Night 72°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 6

Alpharetta Weather Forecast Updated

Last updated on

Air Quality in Alpharetta

NOW
10 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.22 µg/m³
PM10 5.49 µg/m³
O3 0.011 ppm
NO2 0.9 ppb
SO2 0.1 ppb
CO 0.07 ppm
NH3 0.98 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.22 µg/m³
PM105.49 µg/m³
O321.53 µg/m³
NO21.77 µg/m³
SO20.19 µg/m³
CO84.55 µg/m³
NH30.98 µg/m³
NO0 µg/m³