Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 14:00, Apr 17
Index
Low
Tree
Low
Grass
Low
Weed
None
17°
16 km/h
76%Daily allergy forecast
St. Thomas pollen count forecast
Today  16 km/h 19°10° 85% | Saturday  30 km/h 16°7° 83% | Sunday 29 km/h6°1° 61% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
42*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
7.6*µg/m³
Learn more about pollen in St. Thomas
Download our Air Quality App
Where is the highest pollen level in Ontario?
- Algoma2
- Amherstburg2
- Angus2
- Arnprior2
- Bainsville2
- Bancroft2
- Barrie2
- Belleville2
- Bells Corners2
- Blyth2
- Bourget2
- Bracebridge2
- Brampton2
- Brant2
- Brantford2
- Breslau2
- Cambridge2
- Carleton Place2
- Casselman2
- Chatham2
- Clarence-Rockland2
- Cobourg2
- Coldwater2
- Collingwood2
- Deep River2
- Delaware2
- Deseronto2
- Dorchester2
- East Garafraxa2
- Egbert2
- Elliot Lake2
- Embrun2
- Englehart2
- Espanola2
- Etobicoke2
- Goderich2
- Gravenhurst2
- Greater Napanee2
- Greater Sudbury2
- Guelph2
- Hanover2
- Hawkesville2
- Hornepayne2
- Huron East2
- Ingersoll2
- Innisfil2
- Keswick2
- Kincardine2
- Kirkland Lake2
- Larder Lake2
- Lindsay2
- Little Current2
- Marathon2
- Markham2
- Mattawa2
- Midland2
- Milton2
- Minden Hills2
- Napanee Downtown2
- Nepean2
- New Hamburg2
- Newmarket2
- Niagara on the Lake2
- Norfolk County2
- North Bay2
- North Perth2
- North York2
- Omemee2
- Orangeville2
- Orillia2
- Ottawa2
- Owen Sound2
- Paris2
- Parry Sound2
- Pembroke2
- Petawawa2
- Peterborough2
- Petrolia2
- Picton2
- Powassan2
- Prince Edward2
- Quinte West2
- Rayside-Balfour2
- Renfrew2
- Richmond Hill2
- Sarnia2
- Sault Ste. Marie2
- Sheguiandah2
- Shelburne2
- Simcoe2
- Skatepark2
- South River2
- St. Catharines2
- Temiskaming Shores2
- Thessalon2
- Thorold2
- Thunder Bay2
- Tiverton2
- Tobermory2
- Toronto2
- Uxbridge2
- Wasaga Beach2
- Waterloo2
- Welland2
- Wellington County2
- Wendover2
- Willowdale2
- Wingham2
- Woodstock2
- Ajax1
- Almonte1
- Ancaster1
- Atikokan1
- Aylmer1
- Binbrook1
- Bluewater1
- Bonner Lake1
- Brockville1
- Burlington1
- Caledon1
- Camlachie1
- Concord1
- Cornwall1
- Dorset1
- Dryden1
- Ear Falls1
- East York1
- Erin1
- Fort Erie1
- Fort Frances1
- Gananoque1
- Geraldton1
- Grand Bend1
- Greenstone1
- Hamilton1
- Hawkesbury1
- Hearst1
- Huntsville1
- Iroquois Falls1
- Kapuskasing1
- Kenora1
- Kingston1
- Kitchener1
- Lambton Shores1
- London1
- Mississauga1
- Morrisburg1
- Neebing1
- Nestor Falls1
- Niagara Falls1
- Oakville1
- Oshawa1
- Perth1
- Pickering1
- Port Colborne1
- Port Elmsley1
- Port Stanley1
- Prescott1
- Red Lake1
- Scarborough1
- Sioux Narrows1
- Smiths Falls1
- South Huron1
- St. Thomas1
- Stratford1
- Timmins1
- Vaughan1
- Walpole Island1
- Windsor1
- Kasabonika0
- Kenora District0
- Pickle Lake0
