Today | Weather | Monday, July 20, 2026

Weather in Roswell, Georgia

09:52 PM
Now
Cloudy Night
82° F
Feels Like 88°
Precipitation 3 %
Wind 6 mph
Humidity 73 %
Today
Cloudy Night
Day 93°
Night 73°
Precipitation 6 %
Wind 6 mph

Roswell Weather Forecast Updated

Last updated on

Air Quality in Roswell

NOW
23 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.38 µg/m³
PM10 1.96 µg/m³
O3 0.025 ppm
NO2 1.4 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 1.69 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)
PM2.51.38 µg/m³
PM101.96 µg/m³
O348.17 µg/m³
NO22.7 µg/m³
SO20.37 µg/m³
CO108.02 µg/m³
NH31.69 µg/m³
NO0 µg/m³