Pollen count and allergy info for St. Thomas
St. Thomas pollen and allergy report • 20:00, Jul 10
Index
Low
Tree
None
Grass
Low
Weed
None
22°
6 km/h
98%Daily allergy forecast
St. Thomas pollen count forecast
Today   17 km/h 27°17° 70% | Saturday  15 km/h 26°13° 63% | Sunday 14 km/h29°16° 47% |
Air pollutants
Air quality in St. Thomas today
AQI⁺
Air quality index
55*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
11.2*µg/m³
Learn more about pollen in St. Thomas
Protect yourself from air pollution in St. Thomas
Protect yourself from air pollution in St. Thomas
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Download our Air Quality App
Where is the highest pollen level in Ontario?
- Brockville3
- Cornwall3
- Fort Frances3
- Prescott3
- Walpole Island3
- Ajax2
- Algoma2
- Almonte2
- Angus2
- Arnprior2
- Bainsville2
- Belleville2
- Bells Corners2
- Bluewater2
- Bourget2
- Bracebridge2
- Caledon2
- Camlachie2
- Carleton Place2
- Casselman2
- Chatham2
- Clarence-Rockland2
- Cobourg2
- Collingwood2
- Deep River2
- Delaware2
- Deseronto2
- Dorchester2
- Dorset2
- Ear Falls2
- East Garafraxa2
- Egbert2
- Elliot Lake2
- Embrun2
- Englehart2
- Erin2
- Espanola2
- Fort Erie2
- Grand Bend2
- Gravenhurst2
- Greater Napanee2
- Greater Sudbury2
- Guelph2
- Hanover2
- Hawkesbury2
- Hawkesville2
- Huntsville2
- Huron East2
- Innisfil2
- Kincardine2
- Kingston2
- Kirkland Lake2
- Kitchener2
- Lambton Shores2
- Larder Lake2
- Lindsay2
- Little Current2
- Markham2
- Mattawa2
- Midland2
- Morrisburg2
- Napanee Downtown2
- Nepean2
- New Hamburg2
- Newmarket2
- Norfolk County2
- North Bay2
- North Perth2
- Omemee2
- Orangeville2
- Oshawa2
- Ottawa2
- Parry Sound2
- Perth2
- Petawawa2
- Peterborough2
- Petrolia2
- Picton2
- Port Elmsley2
- Powassan2
- Prince Edward2
- Quinte West2
- Rayside-Balfour2
- Red Lake2
- Renfrew2
- Sarnia2
- Sheguiandah2
- Shelburne2
- Simcoe2
- Skatepark2
- Smiths Falls2
- South Huron2
- South River2
- Stratford2
- Temiskaming Shores2
- Thessalon2
- Tiverton2
- Tobermory2
- Uxbridge2
- Waterloo2
- Wellington County2
- Wendover2
- Wingham2
- Woodstock2
- Amherstburg1
- Ancaster1
- Atikokan1
- Aylmer1
- Bancroft1
- Barrie1
- Binbrook1
- Blyth1
- Bonner Lake1
- Brampton1
- Brant1
- Brantford1
- Breslau1
- Burlington1
- Cambridge1
- Coldwater1
- Concord1
- Dryden1
- East York1
- Etobicoke1
- Gananoque1
- Geraldton1
- Goderich1
- Greenstone1
- Hamilton1
- Hearst1
- Hornepayne1
- Ingersoll1
- Iroquois Falls1
- Kapuskasing1
- Kasabonika1
- Kenora1
- Kenora District1
- Keswick1
- London1
- Marathon1
- Milton1
- Minden Hills1
- Mississauga1
- Neebing1
- Nestor Falls1
- Niagara Falls1
- Niagara on the Lake1
- North York1
- Oakville1
- Orillia1
- Owen Sound1
- Paris1
- Pembroke1
- Pickering1
- Pickle Lake1
- Port Colborne1
- Port Stanley1
- Richmond Hill1
- Sault Ste. Marie1
- Scarborough1
- Sioux Narrows1
- St. Catharines1
- St. Thomas1
- Thorold1
- Thunder Bay1
- Timmins1
- Toronto1
- Vaughan1
- Wasaga Beach1
- Welland1
- Willowdale1
- Windsor1
