Worst air pollution Heather Downs - Toledo, today and tomorrow
Today (9 August): Air quality in Heather Downs is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 31.7/100).
Tomorrow (10 August 2026): Air quality in Heather Downs is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 32.6/100). Airmine updates local air quality forecasts four times daily.
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In Heather Downs, the combination of heavy traffic and tightly packed urban development drives most of the local particulate load. Nearby trees, about 700-800 meters off, help trap a portion of this particulate load before it spreads. Wind patterns on any given day can shift this picture meaningfully in either direction.
Today - 9 August | Pollution peaks at 11:00
AQI:
Fair
31.7/100
PM2.5 (fine particles):
Good
4.2/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
31.7/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
4.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 13:00
AQI:
Fair
32.6/100
PM2.5 (fine particles):
Good
6.6/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
32.6/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
5.0/100
Other Landmarks in Toledo
Sports venues in Toledo
Frequently Asked Questions
Is air quality bad in Heather Downs right now?
On 9 August 2026, overall air quality in Heather Downs is fair. AQI is the main air quality indicator at 31.7/100. Pollution peaks around 11:00 AM (O3: 31.7/100).
Will air quality be worse tomorrow in Heather Downs?
On 10 August 2026, air quality conditions in Heather Downs will be similar to today, with AQI forecast at fair at 32.6/100. Pollution peaks around 1:00 PM (O3: 32.6/100).
When is air pollution at its worst in Heather Downs?
Cold-season conditions typically drive the sharpest particulate increases in dense urban areas like this, when winter inversions hold traffic and heating emissions in place over the city for days at a time. Summer heat and sunlight make ozone the leading air quality concern in this city, with summer's combination of heat, sun, and dense traffic driving some of the year's highest ozone readings.
Are air quality levels in Heather Downs 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: 10 August 2026 at 02:34 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.
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