Worst air pollution Niagara Falls (Horseshoe Falls) - Niagara Falls, today and tomorrow
Today (16 July): Air quality in Niagara Falls (Horseshoe Falls) 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: 33.2/100).
Tomorrow (17 July 2026): Air quality in Niagara Falls (Horseshoe Falls) is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 27.6/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Niagara Falls (Horseshoe Falls)'s air quality benefits from the constant mist rising off the plunge pool, providing natural air washing across the gorge. Tourist coach and Skylon Tower visitor traffic contribute modest local sources amid excellent Niagara Peninsula ventilation.
Today - 16 July | Pollution peaks at 11:00
AQI:
Fair
33.2/100
PM2.5 (fine particles):
Good
5.7/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Fair
33.2/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.8/100
PM1 (ultrafine particles):
Good
4.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Fair
27.6/100
PM2.5 (fine particles):
Good
3.7/100
PM10 (coarse particles):
Good
1.4/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
27.6/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
2.6/100
Other Landmarks in Niagara Falls
Frequently Asked Questions
Is air quality bad in Niagara Falls (Horseshoe Falls) right now?
On 16 July 2026, overall air quality in Niagara Falls (Horseshoe Falls) is fair. AQI is the main air quality indicator at 33.2/100. Pollution peaks around 11:00 AM (O3: 33.2/100).
Will air quality be worse tomorrow in Niagara Falls (Horseshoe Falls)?
On 17 July 2026, air quality conditions in Niagara Falls (Horseshoe Falls) will be similar to today, with AQI forecast at fair at 27.6/100. Pollution peaks around 8:00 AM (O3: 27.6/100).
When is air pollution at its worst in Niagara Falls (Horseshoe Falls)?
Niagara Falls (Horseshoe Falls) sees clear seasonal swings in air quality, driven in part by the constant mist and heavy tourist and cross-border traffic near the falls. The lake's moderating effect keeps air quality fairly good year-round, with summer heat occasionally pushing ozone levels up and cross-border traffic adding to the mix. Peak tourist season adds its own layer of vehicle emissions on top of the usual summer pattern.
Are air quality levels in Niagara Falls (Horseshoe Falls) 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