Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 11:00, Apr 21
Index
Low
Tree
Low
Grass
Low
Weed
None
9°
27 km/h
52%Daily allergy forecast
St. Thomas pollen count forecast
Today  27 km/h 13°0° 65% | Wednesday 17 km/h17°8° 73% | Thursday 13 km/h17°2° 56% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
25*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
4.6*µg/m³
Learn more about pollen in St. Thomas
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Where is the highest pollen level in Ontario?
- Amherstburg2
- Blyth2
- Chatham2
- Goderich2
- Neebing2
- Niagara on the Lake2
- Perth2
- Sault Ste. Marie2
- Shelburne2
- St. Catharines2
- Windsor2
- Ajax1
- Algoma1
- Almonte1
- Ancaster1
- Angus1
- Arnprior1
- Atikokan1
- Aylmer1
- Bainsville1
- Bancroft1
- Barrie1
- Belleville1
- Bells Corners1
- Binbrook1
- Bluewater1
- Bonner Lake1
- Bourget1
- Bracebridge1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Burlington1
- Caledon1
- Cambridge1
- Camlachie1
- Carleton Place1
- Casselman1
- Clarence-Rockland1
- Cobourg1
- Coldwater1
- Collingwood1
- Concord1
- Deep River1
- Delaware1
- Deseronto1
- Dorchester1
- Dorset1
- Dryden1
- Ear Falls1
- East Garafraxa1
- East York1
- Egbert1
- Elliot Lake1
- Embrun1
- Englehart1
- Erin1
- Espanola1
- Etobicoke1
- Fort Erie1
- Fort Frances1
- Gananoque1
- Geraldton1
- Grand Bend1
- Gravenhurst1
- Greater Napanee1
- Greater Sudbury1
- Greenstone1
- Guelph1
- Hamilton1
- Hanover1
- Hawkesbury1
- Hawkesville1
- Hearst1
- Hornepayne1
- Huntsville1
- Huron East1
- Ingersoll1
- Innisfil1
- Iroquois Falls1
- Kapuskasing1
- Kasabonika1
- Kenora1
- Kenora District1
- Keswick1
- Kincardine1
- Kingston1
- Kirkland Lake1
- Kitchener1
- Lambton Shores1
- Larder Lake1
- Lindsay1
- Little Current1
- London1
- Marathon1
- Markham1
- Mattawa1
- Midland1
- Milton1
- Minden Hills1
- Mississauga1
- Napanee Downtown1
- Nepean1
- Nestor Falls1
- New Hamburg1
- Newmarket1
- Niagara Falls1
- Norfolk County1
- North Bay1
- North Perth1
- North York1
- Oakville1
- Omemee1
- Orangeville1
- Orillia1
- Oshawa1
- Ottawa1
- Owen Sound1
- Paris1
- Parry Sound1
- Pembroke1
- Petawawa1
- Peterborough1
- Petrolia1
- Pickering1
- Pickle Lake1
- Picton1
- Port Colborne1
- Port Elmsley1
- Powassan1
- Prince Edward1
- Quinte West1
- Rayside-Balfour1
- Red Lake1
- Renfrew1
- Richmond Hill1
- Sarnia1
- Sheguiandah1
- Simcoe1
- Sioux Narrows1
- Skatepark1
- Smiths Falls1
- South Huron1
- South River1
- St. Thomas1
- Stratford1
- Temiskaming Shores1
- Thessalon1
- Thorold1
- Thunder Bay1
- Timmins1
- Tiverton1
- Tobermory1
- Toronto1
- Uxbridge1
- Vaughan1
- Walpole Island1
- Wasaga Beach1
- Waterloo1
- Welland1
- Wellington County1
- Wendover1
- Willowdale1
- Wingham1
- Woodstock1
- Brockville0
- Cornwall0
- Morrisburg0
- Port Stanley0
- Prescott0
