Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 00:00, Jun 2
Index
High
Tree
Low
Grass
High
Weed
None
12°
4 km/h
94%Daily allergy forecast
St. Catharines pollen count forecast
Today  11 km/h 23°9° 52% | Wednesday 20 km/h25°12° 47% | Thursday 21 km/h 23°13° 60% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
28AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
5µg/m³
Learn more about pollen in St. Catharines
Download our Air Quality App
Where is the highest pollen level in Ontario?
- Ajax3
- Algoma3
- Almonte3
- Amherstburg3
- Ancaster3
- Angus3
- Arnprior3
- Atikokan3
- Aylmer3
- Bainsville3
- Bancroft3
- Barrie3
- Belleville3
- Bells Corners3
- Binbrook3
- Bluewater3
- Blyth3
- Bonner Lake3
- Bourget3
- Bracebridge3
- Brampton3
- Brant3
- Brantford3
- Breslau3
- Brockville3
- Burlington3
- Caledon3
- Cambridge3
- Carleton Place3
- Casselman3
- Clarence-Rockland3
- Cobourg3
- Coldwater3
- Collingwood3
- Concord3
- Deep River3
- Delaware3
- Deseronto3
- Dorchester3
- Dorset3
- Dryden3
- Ear Falls3
- East Garafraxa3
- East York3
- Egbert3
- Elliot Lake3
- Embrun3
- Englehart3
- Erin3
- Espanola3
- Etobicoke3
- Gananoque3
- Geraldton3
- Goderich3
- Grand Bend3
- Gravenhurst3
- Greater Napanee3
- Greater Sudbury3
- Greenstone3
- Guelph3
- Hamilton3
- Hanover3
- Hawkesbury3
- Hawkesville3
- Hearst3
- Hornepayne3
- Huntsville3
- Huron East3
- Ingersoll3
- Innisfil3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Keswick3
- Kincardine3
- Kingston3
- Kirkland Lake3
- Kitchener3
- Lambton Shores3
- Larder Lake3
- Lindsay3
- Little Current3
- London3
- Marathon3
- Markham3
- Mattawa3
- Midland3
- Milton3
- Minden Hills3
- Mississauga3
- Napanee Downtown3
- Neebing3
- Nepean3
- 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
- Parry Sound3
- Pembroke3
- Perth3
- Petawawa3
- Peterborough3
- Pickering3
- Picton3
- Port Colborne3
- Port Elmsley3
- Port Stanley3
- Powassan3
- Prince Edward3
- Quinte West3
- Rayside-Balfour3
- Red Lake3
- Renfrew3
- Richmond Hill3
- Sault Ste. Marie3
- Scarborough3
- Sheguiandah3
- Shelburne3
- Simcoe3
- Sioux Narrows3
- Skatepark3
- Smiths Falls3
- South Huron3
- South River3
- St. Catharines3
- St. Thomas3
- Stratford3
- Temiskaming Shores3
- Thessalon3
- Thorold3
- Thunder Bay3
- Timmins3
- Tiverton3
- Tobermory3
- Toronto3
- Uxbridge3
- Vaughan3
- Waterloo3
- Welland3
- Wellington County3
- Wendover3
- Willowdale3
- Windsor3
- Wingham3
- Woodstock3
- Camlachie2
- Chatham2
- Cornwall2
- Fort Erie2
- Fort Frances2
- Kasabonika2
- Kenora District2
- Morrisburg2
- Petrolia2
- Pickle Lake2
- Prescott2
- Sarnia2
- Walpole Island2
- Wasaga Beach2
