Worst air pollution Roswell, today and tomorrow
Today (30 August): Air quality in Roswell is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 23.9/100).
Tomorrow (31 August 2026): Air quality in Roswell is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 23.0/100). Airmine updates local air quality forecasts four times daily.
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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 - 30 August | Pollution peaks at 11:00
AQI:
Fair
23.9/100
PM2.5 (fine particles):
Good
12.0/100
PM10 (coarse particles):
Good
16.1/100
NO2 (nitrogen dioxide):
Good
1.0/100
O3 (ozone):
Fair
23.9/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.0/100
PM1 (ultrafine particles):
Good
3.1/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 09:00
AQI:
Fair
23.0/100
PM2.5 (fine particles):
Good
13.5/100
PM10 (coarse particles):
Good
19.6/100
NO2 (nitrogen dioxide):
Good
1.0/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
3.3/100
Pollen forecast in Roswell
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Roswell
Frequently Asked Questions
Is air quality bad in Roswell right now?
On 30 August 2026, overall air quality in Roswell is fair. AQI is the main air quality indicator at 23.9/100. Pollution peaks around 11:00 AM (O3: 23.9/100).
Will air quality be worse tomorrow in Roswell?
On 31 August 2026, air quality conditions in Roswell will be similar to today, with AQI forecast at fair at 23.0/100. Pollution peaks around 9:00 AM (O3: 23.0/100).
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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 30 August 2026 at 14:32 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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