Today | Weather | Thursday, January 15, 2026

Weather in Roswell, Georgia

12:52 AM
Now
Cloudy Night
32° F
Feels Like 19°
Precipitation 20 %
Wind 15 mph
Humidity 63 %
Today
Windy Weather
Day 36°
Night 21°
Precipitation 1 %
Wind 21 mph
UV Index (0 - 11+) 3

Roswell Weather Forecast Updated

47 minutes ago
Last updated on

Air Quality in Roswell

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.04 µg/m³
PM10 1.38 µg/m³
O3 0.035 ppm
NO2 1.8 ppb
SO2 0.5 ppb
CO 0.14 ppm
NH3 0.65 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)
PM2.51.04 µg/m³
PM101.38 µg/m³
O369.61 µg/m³
NO23.41 µg/m³
SO21.18 µg/m³
CO157.98 µg/m³
NH30.65 µg/m³
NO0 µg/m³