Worst air pollution American Addition - Columbus, today and tomorrow
Today (20 September): Air quality in American Addition is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (NO2: 28.4/100).
Tomorrow (21 September 2026): Air quality in American Addition is fair. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 30.3/100). 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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In American Addition, persistent traffic congestion paired with dense urban land use keeps particulate and nitrogen dioxide levels elevated here. Green space nearby, at about 100 meters, offers a partial natural check on particulate buildup. Nearby areas with a similar setup tend to show a comparable air quality baseline. Actual daily readings vary with weather, time of day, and short-term local activity.
Today - 20 September | Pollution peaks at 18:00
AQI:
Fair
28.4/100
PM2.5 (fine particles):
Good
18.8/100
PM10 (coarse particles):
Good
14.6/100
NO2 (nitrogen dioxide):
Fair
28.4/100
O3 (ozone):
Good
19.2/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
10.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 14:00
AQI:
Fair
30.3/100
PM2.5 (fine particles):
Good
18.4/100
PM10 (coarse particles):
Good
13.3/100
NO2 (nitrogen dioxide):
Fair
30.3/100
O3 (ozone):
Fair
21.4/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
4.0/100
PM1 (ultrafine particles):
Good
9.0/100
Other Landmarks in Columbus
Sports venues in Columbus
Frequently Asked Questions
Is air quality bad in American Addition right now?
On 20 September 2026, overall air quality in American Addition is fair. AQI is the main air quality indicator at 28.4/100. Pollution peaks around 6:00 PM (NO2: 28.4/100).
Will air quality be worse tomorrow in American Addition?
On 21 September 2026, air quality conditions in American Addition will be similar to today, with AQI forecast at fair at 30.3/100. Pollution peaks around 2:00 PM (NO2: 30.3/100).
When is air pollution at its worst in American Addition?
The heart of winter usually marks the low point for air quality across this urban stretch, as heavy heating demand and traffic emissions combine under still, cold air that traps pollutants close to the ground. Summer heat pushes ozone to the forefront of air quality concerns in this dense area, with strong sun, heat, and traffic emissions together driving ozone higher through the summer months.
Are air quality levels in American Addition 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: 20 September 2026 at 20:27 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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