Worst air pollution Old Oaks Historic District - Columbus, today and tomorrow
Today (20 September): Air quality in Old Oaks Historic District is moderate. AQI and NO2 are moderate; PM2.5 and PM1 are fair; PM10, O3, SO2, CO, and HCHO are good. Pollution peaks around 6:00 PM (NO2: 42.9/100).
Tomorrow (21 September 2026): Air quality in Old Oaks Historic District is moderate. PM2.5 decreases to good; O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 44.4/100). 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 Old Oaks Historic District, heavy vehicle traffic and general city activity keep background particulate matter and nitrogen dioxide levels elevated. Green space some 50m away provides modest natural relief, filtering a portion of this particulate load. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns. This general baseline tends to hold across nearby areas with similar traffic and land use.
Today - 20 September | Pollution peaks at 18:00
AQI:
Moderate
42.9/100
PM2.5 (fine particles):
Fair
20.1/100
PM10 (coarse particles):
Good
14.6/100
NO2 (nitrogen dioxide):
Moderate
42.9/100
O3 (ozone):
Good
18.3/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Fair
20.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 14:00
AQI:
Moderate
44.4/100
PM2.5 (fine particles):
Good
19.8/100
PM10 (coarse particles):
Good
13.3/100
NO2 (nitrogen dioxide):
Moderate
44.4/100
O3 (ozone):
Fair
20.0/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
4.0/100
PM1 (ultrafine particles):
Good
17.6/100
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Frequently Asked Questions
Is air quality bad in Old Oaks Historic District right now?
On 20 September 2026, overall air quality in Old Oaks Historic District is moderate. AQI is the main air quality indicator at 42.9/100. Pollution peaks around 6:00 PM (NO2: 42.9/100).
Will air quality be worse tomorrow in Old Oaks Historic District?
On 21 September 2026, air quality conditions in Old Oaks Historic District will be similar to today, with AQI forecast at moderate at 44.4/100. Pollution peaks around 2:00 PM (NO2: 44.4/100).
When is air pollution at its worst in Old Oaks Historic District?
Winter months routinely see the year's steepest rise in particulate matter across this urban area, driven by the combination of winter heating demand and dense traffic under calm, cold conditions. Summer heat pushes ozone to the forefront of air quality concerns in this dense area, as urban heat islands amplify the ozone-forming reaction between sunlight and vehicle emissions.
Are air quality levels in Old Oaks Historic District 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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