Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 22:00, May 31
Index
High
Tree
Low
Grass
High
Weed
None
15°
8 km/h
71%Daily allergy forecast
St. Catharines pollen count forecast
Today  22 km/h 18°12° 56% | Tuesday 10 km/h22°8° 53% | Wednesday 15 km/h23°12° 54% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
32AQI⁺ US
O₃
Ozone
78µg/m³
Learn more about pollen in St. Catharines
Protect yourself from air pollution in St. Catharines
Protect yourself from air pollution in St. Catharines
Air Purifiers
Face Masks
Air Quality Monitors
Download our Air Quality App
Where is the highest pollen level in Ontario?
- Ajax3
- Algoma3
- Amherstburg3
- Ancaster3
- Angus3
- Atikokan3
- Aylmer3
- Bainsville3
- Bancroft3
- Barrie3
- Belleville3
- Binbrook3
- Bluewater3
- Blyth3
- Bonner Lake3
- Bracebridge3
- Brampton3
- Brant3
- Brantford3
- Breslau3
- Burlington3
- Caledon3
- Camlachie3
- Chatham3
- Cobourg3
- Coldwater3
- Collingwood3
- Concord3
- Deep River3
- Delaware3
- Deseronto3
- Dorchester3
- Dorset3
- Dryden3
- Ear Falls3
- East Garafraxa3
- East York3
- Egbert3
- Elliot Lake3
- Englehart3
- Erin3
- Espanola3
- Etobicoke3
- Gananoque3
- Geraldton3
- Goderich3
- Grand Bend3
- Gravenhurst3
- Greater Napanee3
- Greater Sudbury3
- Greenstone3
- Guelph3
- Hamilton3
- Hanover3
- Hawkesville3
- Hearst3
- Hornepayne3
- Huntsville3
- Huron East3
- Ingersoll3
- Innisfil3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Keswick3
- Kincardine3
- Kirkland Lake3
- Kitchener3
- Lambton Shores3
- Larder Lake3
- Lindsay3
- Little Current3
- London3
- Marathon3
- Markham3
- Mattawa3
- Milton3
- Minden Hills3
- Mississauga3
- Napanee Downtown3
- Neebing3
- Nestor Falls3
- New Hamburg3
- Newmarket3
- Niagara Falls3
- Niagara on the Lake3
- Norfolk County3
- North Bay3
- North Perth3
- North York3
- Oakville3
- Omemee3
- Orangeville3
- Orillia3
- Oshawa3
- Ottawa3
- Owen Sound3
- Paris3
- Pembroke3
- Petawawa3
- Peterborough3
- Petrolia3
- Pickering3
- Picton3
- Port Colborne3
- Port Stanley3
- Powassan3
- Prince Edward3
- Quinte West3
- Rayside-Balfour3
- Red Lake3
- Renfrew3
- Richmond Hill3
- Sarnia3
- Sault Ste. Marie3
- Scarborough3
- Sheguiandah3
- Shelburne3
- Simcoe3
- Sioux Narrows3
- Skatepark3
- South Huron3
- South River3
- St. Catharines3
- St. Thomas3
- Stratford3
- Temiskaming Shores3
- Thessalon3
- Thorold3
- Thunder Bay3
- Timmins3
- Tiverton3
- Tobermory3
- Toronto3
- Uxbridge3
- Vaughan3
- Wasaga Beach3
- Waterloo3
- Welland3
- Wellington County3
- Willowdale3
- Windsor3
- Wingham3
- Woodstock3
- Almonte2
- Arnprior2
- Bells Corners2
- Bourget2
- Brockville2
- Carleton Place2
- Casselman2
- Clarence-Rockland2
- Cornwall2
- Embrun2
- Fort Erie2
- Fort Frances2
- Hawkesbury2
- Kasabonika2
- Kenora District2
- Kingston2
- Midland2
- Morrisburg2
- Nepean2
- Parry Sound2
- Perth2
- Pickle Lake2
- Port Elmsley2
- Prescott2
- Smiths Falls2
- Walpole Island2
- Wendover2
