Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 18:00, Apr 23
Index
Low
Tree
None
Grass
Low
Weed
None
10°
2 km/h
98%Daily allergy forecast
St. Catharines pollen count forecast
Today  22 km/h 10°7° 64% | Friday 33 km/h 7°4° 95% | Saturday 21 km/h 11°4° 83% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
40AQI⁺ US
O₃
Ozone
98µg/m³
Learn more about pollen in St. Catharines
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Where is the highest pollen level in Ontario?
- Algoma2
- Amherstburg2
- Atikokan2
- Blyth2
- Caledon2
- Chatham2
- Dorset2
- Dryden2
- Ear Falls2
- East Garafraxa2
- Elliot Lake2
- Erin2
- Espanola2
- Gananoque2
- Goderich2
- Greater Sudbury2
- Hawkesville2
- Huntsville2
- Kenora2
- Little Current2
- Neebing2
- Nestor Falls2
- North Perth2
- Orangeville2
- Pembroke2
- Pickering2
- Rayside-Balfour2
- Red Lake2
- Sault Ste. Marie2
- Sheguiandah2
- Shelburne2
- Sioux Narrows2
- South River2
- Temiskaming Shores2
- Thessalon2
- Thunder Bay2
- Tobermory2
- Walpole Island2
- Windsor2
- Ajax1
- Almonte1
- Ancaster1
- Angus1
- Arnprior1
- Aylmer1
- Bainsville1
- Bancroft1
- Barrie1
- Belleville1
- Bells Corners1
- Binbrook1
- Bluewater1
- Bonner Lake1
- Bourget1
- Bracebridge1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Burlington1
- Cambridge1
- Camlachie1
- Carleton Place1
- Casselman1
- Clarence-Rockland1
- Cobourg1
- Coldwater1
- Collingwood1
- Concord1
- Deep River1
- Delaware1
- Deseronto1
- Dorchester1
- East York1
- Egbert1
- Embrun1
- Englehart1
- Etobicoke1
- Fort Frances1
- Geraldton1
- Grand Bend1
- Gravenhurst1
- Greater Napanee1
- Greenstone1
- Guelph1
- Hamilton1
- Hanover1
- Hawkesbury1
- Hearst1
- Hornepayne1
- Huron East1
- Ingersoll1
- Innisfil1
- Iroquois Falls1
- Kapuskasing1
- Kasabonika1
- Kenora District1
- Keswick1
- Kincardine1
- Kingston1
- Kirkland Lake1
- Kitchener1
- Lambton Shores1
- Larder Lake1
- Lindsay1
- London1
- Marathon1
- Markham1
- Mattawa1
- Midland1
- Milton1
- Minden Hills1
- Mississauga1
- Napanee Downtown1
- Nepean1
- New Hamburg1
- Newmarket1
- Niagara Falls1
- Niagara on the Lake1
- Norfolk County1
- North Bay1
- North York1
- Oakville1
- Omemee1
- Orillia1
- Oshawa1
- Ottawa1
- Owen Sound1
- Paris1
- Parry Sound1
- Perth1
- Petawawa1
- Peterborough1
- Petrolia1
- Pickle Lake1
- Picton1
- Port Colborne1
- Port Elmsley1
- Port Stanley1
- Powassan1
- Prescott1
- Prince Edward1
- Quinte West1
- Renfrew1
- Richmond Hill1
- Sarnia1
- Scarborough1
- Simcoe1
- Skatepark1
- Smiths Falls1
- South Huron1
- St. Catharines1
- St. Thomas1
- Stratford1
- Thorold1
- Timmins1
- Tiverton1
- Toronto1
- Uxbridge1
- Vaughan1
- Wasaga Beach1
- Waterloo1
- Welland1
- Wellington County1
- Wendover1
- Willowdale1
- Wingham1
- Woodstock1
- Brockville0
- Cornwall0
- Fort Erie0
- Morrisburg0
