Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 11:00, Apr 20
Index
Low
Tree
Low
Grass
Low
Weed
None
0°
21 km/h
70%Daily allergy forecast
St. Thomas pollen count forecast
Today  24 km/h 3°-3° 68% | Tuesday 29 km/h 11°1° 78% | Wednesday 20 km/h 17°6° 61% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
7*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
1.3*µg/m³
Learn more about pollen in St. Thomas
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Where is the highest pollen level in Ontario?
- Blyth2
- Bonner Lake2
- Bracebridge2
- Coldwater2
- Dorset2
- Goderich2
- Gravenhurst2
- Hearst2
- Huntsville2
- Iroquois Falls2
- Kapuskasing2
- Kenora2
- Markham2
- Midland2
- Newmarket2
- Orillia2
- Parry Sound2
- Sault Ste. Marie2
- Sioux Narrows2
- Temiskaming Shores2
- Uxbridge2
- Wasaga Beach2
- Wellington County2
- Ajax1
- Algoma1
- Almonte1
- Amherstburg1
- Ancaster1
- Angus1
- Arnprior1
- Atikokan1
- Aylmer1
- Bainsville1
- Bancroft1
- Barrie1
- Belleville1
- Bells Corners1
- Binbrook1
- Bluewater1
- Bourget1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Brockville1
- Burlington1
- Caledon1
- Cambridge1
- Camlachie1
- Carleton Place1
- Casselman1
- Chatham1
- Clarence-Rockland1
- Cobourg1
- Collingwood1
- Concord1
- Cornwall1
- Deep River1
- Delaware1
- Deseronto1
- Dorchester1
- Dryden1
- Ear Falls1
- East Garafraxa1
- East York1
- Egbert1
- Elliot Lake1
- Embrun1
- Englehart1
- Erin1
- Espanola1
- Etobicoke1
- Fort Erie1
- Fort Frances1
- Gananoque1
- Geraldton1
- Grand Bend1
- Greater Napanee1
- Greater Sudbury1
- Greenstone1
- Guelph1
- Hamilton1
- Hanover1
- Hawkesbury1
- Hawkesville1
- Hornepayne1
- Huron East1
- Ingersoll1
- Innisfil1
- Keswick1
- Kincardine1
- Kingston1
- Kirkland Lake1
- Kitchener1
- Lambton Shores1
- Lindsay1
- Little Current1
- London1
- Marathon1
- Mattawa1
- Milton1
- Minden Hills1
- Mississauga1
- Morrisburg1
- Napanee Downtown1
- Neebing1
- Nepean1
- Nestor Falls1
- New Hamburg1
- Niagara Falls1
- Niagara on the Lake1
- Norfolk County1
- North Bay1
- North Perth1
- North York1
- Oakville1
- Omemee1
- Orangeville1
- Oshawa1
- Ottawa1
- Owen Sound1
- Paris1
- Pembroke1
- Perth1
- Petawawa1
- Peterborough1
- Petrolia1
- Pickering1
- Picton1
- Port Colborne1
- Port Elmsley1
- Port Stanley1
- Powassan1
- Prescott1
- Prince Edward1
- Quinte West1
- Rayside-Balfour1
- Red Lake1
- Renfrew1
- Richmond Hill1
- Sarnia1
- Scarborough1
- Sheguiandah1
- Shelburne1
- Simcoe1
- Skatepark1
- Smiths Falls1
- South Huron1
- South River1
- St. Catharines1
- St. Thomas1
- Stratford1
- Thessalon1
- Thorold1
- Thunder Bay1
- Timmins1
- Tiverton1
- Tobermory1
- Toronto1
- Vaughan1
- Walpole Island1
- Waterloo1
- Welland1
- Wendover1
- Willowdale1
- Windsor1
- Wingham1
- Woodstock1
- Kasabonika0
- Kenora District0
- Pickle Lake0
