Today | Weather | Tuesday, June 9, 2026

Weather in Alpharetta, Georgia

07:57 PM
Now
Cloudy Weather
75° F
Feels Like 81°
Precipitation 40 %
Wind 6 mph
UV Index (0 - 11+) 0
Humidity 91 %
Today
Stormy Weather
Day 82°
Night 68°
Precipitation 98 %
Wind 4 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Alpharetta Weather Forecast Updated

Last updated on

Air Quality in Alpharetta

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.51 µg/m³
PM10 4.47 µg/m³
O3 0.036 ppm
NO2 1.2 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 1.41 µg/m³
NO 0.09 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)
PM2.53.51 µg/m³
PM104.47 µg/m³
O371.39 µg/m³
NO22.28 µg/m³
SO20.53 µg/m³
CO121.67 µg/m³
NH31.41 µg/m³
NO0.09 µg/m³