Today | Weather | Friday, February 6, 2026

Weather in Alpharetta, Georgia

03:36 AM
Now
Cloudy Night
28° F
Feels Like 21°
Precipitation 0 %
Wind 8 mph
Humidity 71 %
Today
Sunny Weather
Day 57°
Night 34°
Precipitation 0 %
Wind 13 mph
UV Index (0 - 11+) 4

Alpharetta Weather Forecast Updated

34 minutes ago
Last updated on

Air Quality in Alpharetta

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.99 µg/m³
PM10 9.48 µg/m³
O3 0.037 ppm
NO2 2.5 ppb
SO2 1.1 ppb
CO 0.15 ppm
NH3 1.74 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)
PM2.56.99 µg/m³
PM109.48 µg/m³
O372.24 µg/m³
NO24.68 µg/m³
SO23.01 µg/m³
CO175.37 µg/m³
NH31.74 µg/m³
NO0 µg/m³