Worst air pollution Toledo, today and tomorrow
Today (16 July): Air quality in Toledo is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 36.7/100).
Tomorrow (17 July 2026): Air quality in Toledo is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 37.6/100). 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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Toledo's air quality reflects the Maumee River valley's position in the Great Lakes industrial corridor, with vehicle emissions from I-75 and the surrounding glass and automotive manufacturing legacy contributing elevated PM2.5. Lake Erie's northern shore provides limited maritime ventilation, while the flat northwest Ohio terrain generally allows reasonable wind dispersal on most days throughout the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
36.7/100
PM2.5 (fine particles):
Good
12.1/100
PM10 (coarse particles):
Good
12.4/100
NO2 (nitrogen dioxide):
Fair
22.6/100
O3 (ozone):
Fair
36.7/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.5/100
PM1 (ultrafine particles):
Good
8.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
37.6/100
PM2.5 (fine particles):
Good
7.8/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Fair
25.3/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Good
6.4/100
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Frequently Asked Questions
Is air quality bad in Toledo right now?
On 16 July 2026, overall air quality in Toledo is fair. AQI is the main air quality indicator at 36.7/100. Pollution peaks around 12:00 PM (O3: 36.7/100).
Will air quality be worse tomorrow in Toledo?
On 17 July 2026, air quality conditions in Toledo will be similar to today, with AQI forecast at fair at 37.6/100. Pollution peaks around 1:00 PM (O3: 37.6/100).
When is air pollution at its worst in Toledo?
Air quality across Toledo rises and falls with the seasons, as between summer ozone and occasional winter inversions, spring and fall are the year's cleanest stretch; by contrast, prolonged summer heat waves are when air quality most often dips into unhealthy territory. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Toledo 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.
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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