Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 23:00, Jul 17
Index
Low
Tree
Low
Grass
Low
Weed
None
22°
14 km/h
75%Daily allergy forecast
St. Catharines pollen count forecast
Today  34 km/h 30°22° 79% | Sunday 22 km/h24°17° 51% | Monday 15 km/h27°15° 45% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
119AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
43µg/m³
Learn more about pollen in St. Catharines
Download our Air Quality App
Where is the highest pollen level in Ontario?
- Brockville3
- Cornwall3
- Morrisburg3
- Walpole Island3
- Ajax2
- Almonte2
- Angus2
- Arnprior2
- Bainsville2
- Barrie2
- Belleville2
- Bells Corners2
- Bluewater2
- Bonner Lake2
- Bourget2
- Bracebridge2
- Caledon2
- Cambridge2
- Camlachie2
- Carleton Place2
- Casselman2
- Chatham2
- Clarence-Rockland2
- Cobourg2
- Deep River2
- Dorset2
- East Garafraxa2
- East York2
- Egbert2
- Elliot Lake2
- Embrun2
- Englehart2
- Erin2
- Espanola2
- Fort Erie2
- Fort Frances2
- Grand Bend2
- Gravenhurst2
- Greater Sudbury2
- Guelph2
- Hanover2
- Hawkesbury2
- Hawkesville2
- Hearst2
- Huntsville2
- Huron East2
- Innisfil2
- Kapuskasing2
- Keswick2
- Kincardine2
- Kirkland Lake2
- Kitchener2
- Lambton Shores2
- Larder Lake2
- Lindsay2
- Little Current2
- Markham2
- Mattawa2
- Milton2
- Minden Hills2
- Nepean2
- New Hamburg2
- Newmarket2
- Norfolk County2
- North Bay2
- North Perth2
- Omemee2
- Orangeville2
- Oshawa2
- Owen Sound2
- Pembroke2
- Perth2
- Petawawa2
- Peterborough2
- Petrolia2
- Port Elmsley2
- Powassan2
- Prescott2
- Prince Edward2
- Rayside-Balfour2
- Renfrew2
- Sarnia2
- Sault Ste. Marie2
- Sheguiandah2
- Shelburne2
- Simcoe2
- Smiths Falls2
- South Huron2
- South River2
- Stratford2
- Tiverton2
- Tobermory2
- Uxbridge2
- Wellington County2
- Wendover2
- Wingham2
- Woodstock2
- Algoma1
- Amherstburg1
- Ancaster1
- Atikokan1
- Aylmer1
- Bancroft1
- Binbrook1
- Blyth1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Burlington1
- Coldwater1
- Collingwood1
- Concord1
- Delaware1
- Deseronto1
- Dorchester1
- Dryden1
- Ear Falls1
- Etobicoke1
- Gananoque1
- Geraldton1
- Goderich1
- Greater Napanee1
- Greenstone1
- Hamilton1
- Hornepayne1
- Ingersoll1
- Iroquois Falls1
- Kasabonika1
- Kenora1
- Kenora District1
- Kingston1
- London1
- Marathon1
- Midland1
- Mississauga1
- Napanee Downtown1
- Neebing1
- Nestor Falls1
- Niagara Falls1
- Niagara on the Lake1
- North York1
- Oakville1
- Orillia1
- Ottawa1
- Paris1
- Parry Sound1
- Pickering1
- Pickle Lake1
- Picton1
- Port Colborne1
- Port Stanley1
- Quinte West1
- Red Lake1
- Richmond Hill1
- Scarborough1
- Sioux Narrows1
- Skatepark1
- St. Catharines1
- St. Thomas1
- Temiskaming Shores1
- Thessalon1
- Thorold1
- Thunder Bay1
- Timmins1
- Toronto1
- Vaughan1
- Wasaga Beach1
- Waterloo1
- Welland1
- Willowdale1
- Windsor1
