Today | Weather | Friday, December 5, 2025

Weather in Alpharetta, Georgia

08:04 PM
Now
Foggy Weather
45° F
Feels Like 43°
Precipitation 12 %
Wind 4 mph
Humidity 92 %
Today
Rainy Weather
Day 45°
Night 39°
Precipitation 49 %
Wind 4 mph
UV Index (0 - 11+) 1

Alpharetta Weather Forecast Updated

Air Quality in Alpharetta

NOW
24 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.67 µg/m³
PM10 6.94 µg/m³
O3 0.014 ppm
NO2 6 ppb
SO2 0.1 ppb
CO 0.20 ppm
NH3 0.85 µg/m³
NO 0.01 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)
PM2.55.67 µg/m³
PM106.94 µg/m³
O327.85 µg/m³
NO211.21 µg/m³
SO20.19 µg/m³
CO225.02 µg/m³
NH30.85 µg/m³
NO0.01 µg/m³