Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 17:00, May 18
Index
High
Tree
High
Grass
High
Weed
None
28°
26 km/h
55%Daily allergy forecast
St. Catharines pollen count forecast
Today  32 km/h29°17° 63% | Tuesday 39 km/h 28°18° 74% | Wednesday 25 km/h12°9° 65% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
56AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
12µg/m³
Learn more about pollen in St. Catharines
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Where is the highest pollen level in Ontario?
- Ajax3
- Algoma3
- Almonte3
- Amherstburg3
- Ancaster3
- Angus3
- Atikokan3
- Aylmer3
- Bancroft3
- Barrie3
- Belleville3
- Binbrook3
- Bluewater3
- Blyth3
- Bonner Lake3
- Bracebridge3
- Brant3
- Brantford3
- Breslau3
- Caledon3
- Cambridge3
- Camlachie3
- Carleton Place3
- Chatham3
- Cobourg3
- Coldwater3
- Collingwood3
- Concord3
- Delaware3
- Deseronto3
- Dorchester3
- Dorset3
- Dryden3
- Ear Falls3
- East Garafraxa3
- Egbert3
- Elliot Lake3
- Englehart3
- Erin3
- Espanola3
- Etobicoke3
- Geraldton3
- Goderich3
- Grand Bend3
- Gravenhurst3
- Greater Napanee3
- Greater Sudbury3
- Greenstone3
- Guelph3
- Hanover3
- Hawkesville3
- Hearst3
- Hornepayne3
- Huntsville3
- Huron East3
- Ingersoll3
- Innisfil3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Keswick3
- Kincardine3
- Kingston3
- Kirkland Lake3
- Kitchener3
- Lambton Shores3
- Larder Lake3
- Lindsay3
- London3
- Marathon3
- Markham3
- Mattawa3
- Midland3
- Milton3
- Minden Hills3
- Napanee Downtown3
- Nestor Falls3
- New Hamburg3
- Newmarket3
- Niagara Falls3
- Niagara on the Lake3
- Norfolk County3
- North Bay3
- North Perth3
- Omemee3
- Orangeville3
- Orillia3
- Oshawa3
- Owen Sound3
- Paris3
- Parry Sound3
- Pembroke3
- Perth3
- Peterborough3
- Petrolia3
- Pickering3
- Picton3
- Port Colborne3
- Port Elmsley3
- Port Stanley3
- Powassan3
- Prince Edward3
- Quinte West3
- Rayside-Balfour3
- Red Lake3
- Richmond Hill3
- Sarnia3
- Scarborough3
- Shelburne3
- Simcoe3
- Sioux Narrows3
- Skatepark3
- Smiths Falls3
- South Huron3
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- St. Catharines3
- St. Thomas3
- Stratford3
- Temiskaming Shores3
- Thessalon3
- Thorold3
- Timmins3
- Tiverton3
- Uxbridge3
- Vaughan3
- Wasaga Beach3
- Waterloo3
- Welland3
- Wellington County3
- Windsor3
- Wingham3
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- Arnprior2
- Bainsville2
- Bells Corners2
- Bourget2
- Brampton2
- Brockville2
- Burlington2
- Casselman2
- East York2
- Embrun2
- Gananoque2
- Hamilton2
- Little Current2
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- Neebing2
- North York2
- Oakville2
- Prescott2
- Renfrew2
- Sault Ste. Marie2
- Sheguiandah2
- Tobermory2
- Toronto2
- Willowdale2
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- Deep River1
- Fort Erie1
- Fort Frances1
- Hawkesbury1
- Kasabonika1
- Kenora District1
- Morrisburg1
- Nepean1
- Ottawa1
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