Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 13:00, May 9
Index
High
Tree
None
Grass
High
Weed
None
16°
22 km/h
74%Daily allergy forecast
St. Catharines pollen count forecast
Today  29 km/h 17°9° 80% | Sunday  21 km/h12°5° 61% | Monday 17 km/h 10°3° 62% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
38AQI⁺ US
O₃
Ozone
92µg/m³
Learn more about pollen in St. Catharines
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Where is the highest pollen level in Ontario?
- Algoma3
- Amherstburg3
- Atikokan3
- Bainsville3
- Bancroft3
- Bonner Lake3
- Bourget3
- Bracebridge3
- Camlachie3
- Chatham3
- Clarence-Rockland3
- Deep River3
- Dorset3
- Dryden3
- Elliot Lake3
- Englehart3
- Geraldton3
- Gravenhurst3
- Hawkesbury3
- Hearst3
- Huntsville3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Kirkland Lake3
- Larder Lake3
- Mattawa3
- Minden Hills3
- Neebing3
- Nestor Falls3
- Niagara Falls3
- Niagara on the Lake3
- North Bay3
- Ottawa3
- Parry Sound3
- Petawawa3
- Powassan3
- Sarnia3
- Sault Ste. Marie3
- Sioux Narrows3
- South River3
- St. Catharines3
- Temiskaming Shores3
- Thessalon3
- Thorold3
- Thunder Bay3
- Wasaga Beach3
- Wendover3
- Windsor3
- Ancaster2
- Bells Corners2
- Blyth2
- Burlington2
- Caledon2
- Collingwood2
- Delaware2
- Ear Falls2
- Erin2
- Espanola2
- Goderich2
- Greater Sudbury2
- Hamilton2
- Hornepayne2
- Innisfil2
- Little Current2
- Marathon2
- Nepean2
- Owen Sound2
- Pembroke2
- Peterborough2
- Petrolia2
- Rayside-Balfour2
- Red Lake2
- Sheguiandah2
- Tobermory2
- Ajax1
- Almonte1
- Angus1
- Arnprior1
- Aylmer1
- Barrie1
- Belleville1
- Binbrook1
- Bluewater1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Brockville1
- Cambridge1
- Carleton Place1
- Casselman1
- Cobourg1
- Coldwater1
- Concord1
- Cornwall1
- Deseronto1
- Dorchester1
- East Garafraxa1
- East York1
- Egbert1
- Embrun1
- Etobicoke1
- Fort Erie1
- Fort Frances1
- Gananoque1
- Grand Bend1
- Greater Napanee1
- Guelph1
- Hanover1
- Hawkesville1
- Huron East1
- Ingersoll1
- Kasabonika1
- Kenora District1
- Keswick1
- Kincardine1
- Kingston1
- Kitchener1
- Lambton Shores1
- Lindsay1
- London1
- Markham1
- Midland1
- Milton1
- Mississauga1
- Morrisburg1
- Napanee Downtown1
- New Hamburg1
- Newmarket1
- Norfolk County1
- North Perth1
- North York1
- Oakville1
- Omemee1
- Orangeville1
- Orillia1
- Oshawa1
- Paris1
- Perth1
- Pickering1
- Pickle Lake1
- Picton1
- Port Colborne1
- Port Elmsley1
- Port Stanley1
- Prescott1
- Prince Edward1
- Quinte West1
- Renfrew1
- Richmond Hill1
- Scarborough1
- Shelburne1
- Simcoe1
- Skatepark1
- Smiths Falls1
- South Huron1
- St. Thomas1
- Stratford1
- Timmins1
- Tiverton1
- Toronto1
- Uxbridge1
- Vaughan1
- Walpole Island1
- Waterloo1
- Welland1
- Wellington County1
- Willowdale1
- Wingham1
- Woodstock1
