Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 23:00, Jun 1
Index
High
Tree
Moderate
Grass
High
Weed
None
12°
10 km/h
82%Daily allergy forecast
St. Thomas pollen count forecast
Today  15 km/h 22°8° 58% | Wednesday 15 km/h24°9° 52% | Thursday 22 km/h 22°13° 57% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
17*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
3*µg/m³
Learn more about pollen in St. Thomas
Download our Air Quality App
Where is the highest pollen level in Ontario?
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- Atikokan3
- Aylmer3
- Bainsville3
- Bancroft3
- Barrie3
- Belleville3
- Bells Corners3
- Binbrook3
- Bluewater3
- Blyth3
- Bonner Lake3
- Bourget3
- Bracebridge3
- Brampton3
- Brant3
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- Breslau3
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- Caledon3
- Cambridge3
- Carleton Place3
- Casselman3
- Clarence-Rockland3
- Cobourg3
- Coldwater3
- Collingwood3
- Concord3
- Deep River3
- Delaware3
- Deseronto3
- Dorchester3
- Dorset3
- Dryden3
- Ear Falls3
- East Garafraxa3
- East York3
- Egbert3
- Elliot Lake3
- Embrun3
- Englehart3
- Erin3
- Espanola3
- Etobicoke3
- Gananoque3
- Geraldton3
- Goderich3
- Grand Bend3
- Gravenhurst3
- Greater Napanee3
- Greater Sudbury3
- Greenstone3
- Guelph3
- Hamilton3
- Hanover3
- Hawkesbury3
- Hawkesville3
- Hearst3
- Hornepayne3
- Huntsville3
- Huron East3
- Ingersoll3
- Innisfil3
- Iroquois Falls3
- Kapuskasing3
- Kenora3
- Keswick3
- Kincardine3
- Kingston3
- Kirkland Lake3
- Kitchener3
- Lambton Shores3
- Larder Lake3
- Lindsay3
- Little Current3
- London3
- Marathon3
- Markham3
- Mattawa3
- Midland3
- Milton3
- Minden Hills3
- Mississauga3
- Napanee Downtown3
- Neebing3
- Nepean3
- Nestor Falls3
- New Hamburg3
- Newmarket3
- Niagara Falls3
- Niagara on the Lake3
- Norfolk County3
- North Bay3
- North Perth3
- North York3
- Oakville3
- Omemee3
- Orangeville3
- Orillia3
- Oshawa3
- Ottawa3
- Owen Sound3
- Paris3
- Parry Sound3
- Pembroke3
- Perth3
- Petawawa3
- Peterborough3
- Pickering3
- Picton3
- Port Colborne3
- Port Elmsley3
- Port Stanley3
- Powassan3
- Prince Edward3
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- Red Lake3
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- Scarborough3
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- South Huron3
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- Windsor3
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