Worst air pollution BeltLine Trail - Atlanta, today and tomorrow
Today (18 July): Air quality in BeltLine Trail is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 29.2/100).
Tomorrow (19 July 2026): Air quality in BeltLine Trail is fair. PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 29.5/100). 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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Atlanta's BeltLine Trail air quality reflects the 22-mile rail-to-trail conversion encircling the inner Atlanta neighbourhoods, with vehicle traffic on the surrounding arterial corridors and the trail's linear urban forest planting providing varying local air quality along the corridor. The BeltLine's green linear park provides some natural filtration, while the surrounding intown Atlanta neighbourhoods and the nearby I-20 and I-285 generate the primary background vehicle emissions throughout most of the year.
Today - 18 July | Pollution peaks at 08:00
AQI:
Fair
29.2/100
PM2.5 (fine particles):
Good
9.7/100
PM10 (coarse particles):
Good
18.9/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
29.2/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
1.9/100
Levels show the poorest local air quality during the day
Tomorrow - 19 July | Pollution peaks at 13:00
AQI:
Fair
29.5/100
PM2.5 (fine particles):
Good
14.3/100
PM10 (coarse particles):
Fair
21.8/100
NO2 (nitrogen dioxide):
Good
1.4/100
O3 (ozone):
Fair
29.5/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
3.5/100
Other Landmarks in Atlanta
Sports venues in Atlanta
Frequently Asked Questions
Is air quality bad in BeltLine Trail right now?
On 18 July 2026, overall air quality in BeltLine Trail is fair. AQI is the main air quality indicator at 29.2/100. Pollution peaks around 8:00 AM (O3: 29.2/100).
Will air quality be worse tomorrow in BeltLine Trail?
On 19 July 2026, air quality conditions in BeltLine Trail will be similar to today, with AQI forecast at fair at 29.5/100. Pollution peaks around 1:00 PM (O3: 29.5/100).
When is air pollution at its worst in BeltLine Trail?
Air quality at BeltLine Trail shifts across the year. In short, once summer humidity fades, winter typically offers the most consistently clean air, whereas 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 BeltLine Trail 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: 19 July 2026 at 05:53 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