Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 17:00, Sep 20
Index
Moderate
Tree
None
Grass
None
Weed
Moderate
19°
16 km/h
65%Daily allergy forecast
St. Thomas pollen count forecast
Today  18 km/h 20°13° 77% | Monday 27 km/h 15°9° 75% | Tuesday  32 km/h15°8° 77% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
12*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
2.2*µg/m³
Learn more about pollen in St. Thomas
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Where is the highest pollen level in Ontario?
- Ajax2
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- Aylmer2
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- Blyth2
- Bracebridge2
- Brampton2
- Brant2
- Brantford2
- Breslau2
- Buckhorn2
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- Camlachie2
- Chatham2
- Cobourg2
- Coldwater2
- Concord2
- Deep River2
- Delaware2
- Deseronto2
- East York2
- Etobicoke2
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- Goderich2
- Grand Bend2
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- Greater Napanee2
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- Hawkesbury2
- Huron East2
- Innisfil2
- Keswick2
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- Kitchener2
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- Markham2
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- Mississauga2
- Napanee Downtown2
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- Niagara on the Lake2
- Norfolk County2
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- Paris2
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- Brockville1
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- Geraldton0
- Greenstone0
- Hanover0
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- Hornepayne0
- Huntsville0
- Iroquois Falls0
- Kapuskasing0
- Kasabonika0
- Kenora District0
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- Kirkland Lake0
- Larder Lake0
- Marathon0
- Midland0
- Nepean0
- Nestor Falls0
- North Perth0
- Orangeville0
- Ottawa0
- Owen Sound0
- Parry Sound0
- Pembroke0
- Pickle Lake0
- Red Lake0
- Renfrew0
- Sault Ste. Marie0
- Temiskaming Shores0
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- Timmins0
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