AddAir quality in St. Catharines
Air quality index (AQI⁺) and PM2.5 air pollution in St. Catharines • 12.6K Followers • 23:00, May 29 Local time
38
US AQI⁺Good
Main pollutant:
O₃
92 µg/m³
11°
24 km/h
63 %
Hourly forecast
St. Catharines air quality index (AQI⁺) forecast
Daily forecast
St. Catharines air quality index (AQI⁺) forecast
| Today | 31 |  | 18° 9° |  23 km/h | 56% |
| Sun | 27 | | 22° 9° | 17 km/h | 50% |
| Mon | 28 | | 19° 11° | 13 km/h | 62% |
Air pollutants
What is the current air quality in St. Catharines?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in St. Catharines
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in St. Catharines today?
Index
High
 Tree Low | 25% |
 Grass High | 75% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Catharines today?
Index
High
Tree Low | 25% |
Grass High | 75% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in St. Catharines
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near St. Catharines
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in St. Catharines
Historic air quality near St. Catharines
History
Historic air quality graph for St. Catharines
Historic air quality near St. Catharines
History
Historic air quality graph for St. Catharines
Most polluted locations near St. Catharines
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in St. Catharines
Measure your own air quality
Get a monitor and contribute air quality data in your city.
