Pollen count and allergy info for St. Catharines
St. Catharines pollen and allergy report • 16:00, May 11
Index
Low
Tree
Low
Grass
Low
Weed
None
12°
14 km/h
46%Daily allergy forecast
St. Catharines pollen count forecast
Today  14 km/h12°5° 58% | Tuesday 13 km/h14°4° 59% | Wednesday 35 km/h 15°8° 83% |
Air pollutants
Air quality in St. Catharines today
AQI⁺
Air quality index
32AQI⁺ US
O₃
Ozone
78µg/m³
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Where is the highest pollen level in Ontario?
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- Amherstburg3
- Atikokan3
- Bonner Lake3
- Dorset3
- Dryden3
- Ear Falls3
- Elliot Lake3
- Englehart3
- Espanola3
- Greater Sudbury3
- Hearst3
- Hornepayne3
- Huntsville3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Kirkland Lake3
- Larder Lake3
- Little Current3
- Marathon3
- Minden Hills3
- Neebing3
- Nestor Falls3
- North Bay3
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- Sheguiandah3
- Sioux Narrows3
- South River3
- Temiskaming Shores3
- Timmins3
- Tobermory3
- Ajax2
- Almonte2
- Angus2
- Bancroft2
- Barrie2
- Bells Corners2
- Bluewater2
- Bourget2
- Bracebridge2
- Brampton2
- Breslau2
- Caledon2
- Cambridge2
- Carleton Place2
- Casselman2
- Clarence-Rockland2
- Coldwater2
- East Garafraxa2
- Egbert2
- Embrun2
- Erin2
- Geraldton2
- Grand Bend2
- Gravenhurst2
- Greenstone2
- Hanover2
- Hawkesbury2
- Huron East2
- Innisfil2
- Keswick2
- Kitchener2
- Lambton Shores2
- Lindsay2
- Markham2
- Mattawa2
- Midland2
- Nepean2
- Newmarket2
- North Perth2
- Omemee2
- Orangeville2
- Orillia2
- Oshawa2
- Owen Sound2
- Parry Sound2
- Pembroke2
- Peterborough2
- Powassan2
- Rayside-Balfour2
- Shelburne2
- South Huron2
- Uxbridge2
- Wasaga Beach2
- Wellington County2
- Wendover2
- Wingham2
- Woodstock2
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- Arnprior1
- Aylmer1
- Bainsville1
- Belleville1
- Binbrook1
- Blyth1
- Brant1
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- Brockville1
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- East York1
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- Greater Napanee1
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- Ingersoll1
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- Kingston1
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- Port Elmsley1
- Port Stanley1
- Prescott1
- Prince Edward1
- Quinte West1
- Renfrew1
- Richmond Hill1
- Sarnia1
- Scarborough1
- Simcoe1
- Skatepark1
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- St. Catharines1
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