Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Air Quality Health Index for Ontario


* NOTE: Corrected and/or amended bulletins are listed first *

 
FLCN21 CWTO 222100
Air Quality Health Index forecast for Ontario issued jointly by
Environment Canada and the Province of Ontario at 5:00 p.m. EDT
Tuesday 22 September 2026 for tonight Wednesday and Thursday.
The next scheduled forecast will be issued at 6:00 a.m. EDT
Wednesday.

Toronto.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Toronto Downtown.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Toronto East.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Toronto North.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Toronto West.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Windsor.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Windsor Downtown.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Windsor West.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Chatham.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Sarnia.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Port Stanley.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 3 or low risk.

London.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Grand Bend.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Tiverton.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Brantford.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Kitchener.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Guelph.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

St. Catharines.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Hamilton.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Hamilton Downtown.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Hamilton Mountain.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Hamilton West.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Burlington.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Oakville.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Milton.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Mississauga.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Brampton.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Oshawa.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Newmarket.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Barrie.
Tonight..Maximum Air Quality Health Index 1 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Peterborough.
Tonight..Maximum Air Quality Health Index 1 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Dorset.
Tonight..Maximum Air Quality Health Index 1 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Parry Sound.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Belleville.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Kingston.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Cornwall.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Ottawa.
Tonight..Maximum Air Quality Health Index 1 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Gatineau.
Tonight..Maximum Air Quality Health Index 1 or low risk.
Wednesday..Maximum Air Quality Health Index 1 or low risk.
Wednesday night..Maximum Air Quality Health Index 1 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

North Bay.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 1 or low risk.
Wednesday night..Maximum Air Quality Health Index 1 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Sudbury.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 1 or low risk.
Wednesday night..Maximum Air Quality Health Index 1 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Sault Ste. Marie.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Thunder Bay.
Tonight..Maximum Air Quality Health Index 2 or low risk.
Wednesday..Maximum Air Quality Health Index 2 or low risk.
Wednesday night..Maximum Air Quality Health Index 2 or low risk.
Thursday..Maximum Air Quality Health Index 2 or low risk.

Air Quality Health Index Scale:
1-3  Low health risk
4-6  Moderate health risk
7-10 High health risk
Above 10 Very high health risk

For more information, consult www.airhealth.ca

End
$$$$^^

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link.
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link.
      • Use the Page Up key to move a selection up in the list.
      • Use the Page Down key to move a selection down in the list.
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Feedbackabout this web site
Date modified: