Worst air pollution Garners Corners - Hamilton, today and tomorrow
Today (20 September): Air quality in Garners Corners is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (NO2: 24.1/100).
Tomorrow (21 September 2026): Air quality in Garners Corners is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (NO2: 31.9/100). 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 Garners Corners, persistent traffic congestion paired with dense urban land use keeps particulate and nitrogen dioxide levels elevated here. Green space nearby 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 17:00
AQI:
Fair
24.1/100
PM2.5 (fine particles):
Good
6.7/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Fair
24.1/100
O3 (ozone):
Good
17.4/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
5.3/100
PM1 (ultrafine particles):
Good
3.9/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 16:00
AQI:
Fair
31.9/100
PM2.5 (fine particles):
Good
12.0/100
PM10 (coarse particles):
Good
10.7/100
NO2 (nitrogen dioxide):
Fair
31.9/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
5.0/100
Other Landmarks in Hamilton
Sports venues in Hamilton
Frequently Asked Questions
Is air quality bad in Garners Corners right now?
On 20 September 2026, overall air quality in Garners Corners is fair. AQI is the main air quality indicator at 24.1/100. Pollution peaks around 5:00 PM (NO2: 24.1/100).
Will air quality be worse tomorrow in Garners Corners?
On 21 September 2026, air quality conditions in Garners Corners will be similar to today, with AQI forecast at fair at 31.9/100. Pollution peaks around 4:00 PM (NO2: 31.9/100).
When is air pollution at its worst in Garners Corners?
Winter months routinely see the year's steepest rise in particulate matter across this urban area, when dense traffic emissions and home heating pile up under temperature inversions that resist mixing. As the weather warms, ozone typically overtakes particulate matter as the top concern here, since hot, sunny days accelerate the chemical reactions that turn traffic emissions into ozone.
Are air quality levels in Garners Corners 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 14:33 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.
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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