Worst air pollution Roswell, today and tomorrow
Today (16 July): Air quality in Roswell is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 29.9/100).
Tomorrow (17 July 2026): Air quality in Roswell is fair. PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 29.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Roswell's air quality reflects its position along the Chattahoochee River in northern Fulton County, within the greater Atlanta metropolitan corridor, with vehicle emissions from GA-400 and the dense suburban commercial development contributing local sources. The river's green corridor provides some natural buffering, while summer ozone from the broader Atlanta metropolitan vehicle emissions is the primary warm-season concern throughout the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
29.9/100
PM2.5 (fine particles):
Good
14.5/100
PM10 (coarse particles):
Fair
24.7/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
2.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
29.0/100
PM2.5 (fine particles):
Good
10.5/100
PM10 (coarse particles):
Good
17.3/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Fair
29.0/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
1.9/100
Pollen forecast in Roswell
View pollen forecastFrequently Asked Questions
Is air quality bad in Roswell right now?
On 16 July 2026, overall air quality in Roswell is fair. AQI is the main air quality indicator at 29.9/100. Pollution peaks around 12:00 PM (O3: 29.9/100).
Will air quality be worse tomorrow in Roswell?
On 17 July 2026, air quality conditions in Roswell will be similar to today, with AQI forecast at fair at 29.0/100. Pollution peaks around 1:00 PM (O3: 29.0/100).
When is air pollution at its worst in Roswell?
Air quality in Roswell shifts across the year: winter is typically the cleanest season, with mild temperatures and fewer stagnant air episodes, but summer heat combined with the region's dense forest cover drives an extended ozone season. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Roswell based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app