Worst air pollution Sumter, today and tomorrow
Today (16 July): Air quality in Sumter is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 36.0/100).
Tomorrow (17 July 2026): Air quality in Sumter is fair. PM2.5 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
Use our Strava plugin to check your own exposure.
Sumter's air quality reflects the flat South Carolina Coastal Plain position, with vehicle emissions from US-76 and the Shaw Air Force Base's military aviation operations contributing elevated NOₓ and aviation PM2.5 alongside primary vehicle sources. The flat coastal plain provides generally good wind dispersal, while summer ozone from regional vehicle and agricultural sources across the southeastern US airshed and the surrounding South Carolina pine forest's biogenic VOCs are the primary warm-season concerns.
Today - 16 July | Pollution peaks at 08:00
AQI:
Fair
36.0/100
PM2.5 (fine particles):
Fair
22.2/100
PM10 (coarse particles):
Fair
36.0/100
NO2 (nitrogen dioxide):
Good
5.1/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
8.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
4.5/100
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
16.4/100
PM10 (coarse particles):
Fair
25.4/100
NO2 (nitrogen dioxide):
Good
2.0/100
O3 (ozone):
Fair
29.0/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
3.0/100
Pollen forecast in Sumter
View pollen forecastFrequently Asked Questions
Is air quality bad in Sumter right now?
On 16 July 2026, overall air quality in Sumter is fair. AQI is the main air quality indicator at 36.0/100. Pollution peaks around 8:00 AM (PM10: 36.0/100).
Will air quality be worse tomorrow in Sumter?
On 17 July 2026, air quality conditions in Sumter 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 Sumter?
Seasonal changes shape air quality across Sumter — the cleanest conditions usually arrive in winter, once the humid summer ozone season has ended, whereas summer heat, humidity, and emissions from surrounding forests combine to drive ozone levels up. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Sumter 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
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