AQHI Forecast:

Forecast Issued on:
June 2, 2023

AQHI Forecast for Friday by Stations.
Station Location AQHI AQHI Category
Barrie83 Perry St.4Moderate Risk, BarrieModerate Risk
Belleville2 Sidney St., Water Treatment Plant4Moderate Risk, BellevilleModerate Risk
Brampton109 Mclaughlin Rd. S.5Moderate Risk, BramptonModerate Risk
Brantford324 Grand River Ave.5Moderate Risk, BrantfordModerate Risk
BurlingtonNorth Shore Blvd. E. Lakeshore Rd.6Moderate Risk, BurlingtonModerate Risk
Chatham435 Grand Ave. W.5Moderate Risk, ChathamModerate Risk
CornwallBedford St. 3rd St. W.3Low Risk, CornwallLow Risk
Dorset1026 Bellwood Acres Rd.3Low Risk, DorsetLow Risk
Grand BendPoint Blake Conservation Area5Moderate Risk, Grand BendModerate Risk
GuelphExhibition St. Clark St. W.5Moderate Risk, GuelphModerate Risk
Hamilton DowntownElgin St. Kelly St.6Moderate Risk, Hamilton DowntownModerate Risk
Hamilton Mountain250 Fennell Ave. W.6Moderate Risk, Hamilton MountainModerate Risk
Hamilton WestMain St. W. Hwy 4036Moderate Risk, Hamilton WestModerate Risk
Kingston23 Beechgrove Lane4Moderate Risk, KingstonModerate Risk
KitchenerWest Ave. Homewood Ave.5Moderate Risk, KitchenerModerate Risk
London42 St. Julien St.5Moderate Risk, LondonModerate Risk
Milton1120 Main St. E.5Moderate Risk, MiltonModerate Risk
Mississauga3359 Mississauga Rd. N., U of T Campus5Moderate Risk, MississaugaModerate Risk
Morrisburg N/A AQHI Not available for, Morrisburg
NewmarketEagle St. W. McCaffrey Rd.4Moderate Risk, NewmarketModerate Risk
North BayElgin St. Kelly St.3Low Risk, North BayLow Risk
OakvilleEighth Line, Glenashton Dr., Halton Res.5Moderate Risk, OakvilleModerate Risk
OshawaBrittania Ave. W., Ep Taylor Stables4Moderate Risk, OshawaModerate Risk
Ottawa Central N/A AQHI Not available for, Ottawa Central
Ottawa DowntownRideau St. Wurtemburg St.3Low Risk, Ottawa DowntownLow Risk
Parry Sound7 Bay St.3Low Risk, Parry SoundLow Risk
Petawawa N/A AQHI Not available for, Petawawa
Peterborough10 Hospital Dr.3Low Risk, PeterboroughLow Risk
Port Stanley43665 Dexter Line, Elgin Water T. Plt5Moderate Risk, Port StanleyModerate Risk
Sarnia700 Christina St. N.5Moderate Risk, SarniaModerate Risk
Sault Ste. MarieSault College3Low Risk, Sault Ste. MarieLow Risk
St. CatharinesArgyle Cres., Pump Stn.5Moderate Risk, St. CatharinesModerate Risk
Sudbury155 Elm St.3Low Risk, SudburyLow Risk
Thunder Bay421 James St. S.3Low Risk, Thunder BayLow Risk
Tiverton4th Concession, Bruce Rd. 235Moderate Risk, TivertonModerate Risk
Toronto Downtown55 John St.5Moderate Risk, Toronto DowntownModerate Risk
Toronto EastKennedy Rd. Lawrence Ave. E.5Moderate Risk, Toronto EastModerate Risk
Toronto North4905 Dufferin St., Eccc5Moderate Risk, Toronto NorthModerate Risk
Toronto West125 Resources Rd.5Moderate Risk, Toronto WestModerate Risk
Windsor Downtown467 University Ave. W.6Moderate Risk, Windsor DowntownModerate Risk
Windsor WestCollege Ave. South St.6Moderate Risk, Windsor WestModerate Risk

Forecast: Ontario's Air Quality Health Index

  • Environment Canada location AQHI forecasts updated at 10:02 am EDT June 2, 2023.

Air Quality Health Index (AQHI) Categories

Air Quality Health Index Categories, Values and Associated Colours
Air Quality Health Index Categories and Values
Low Risk
(1 - 3)
Moderate Risk
(4 - 6)
High Risk
(7 - 10)
Very High Risk
  • The Air Quality Health Index on this web page are based on automatically polled data and have not undergone final verification.
  • N/A (Not Available) denotes invalid or missing data.

Air Quality Health Index Categories and Health Messages

The table below provides the health messages for each category of the Air Quality Health Index for the "at risk" population and the general population.
Health Risk Air Quality Health Index Health Messages
At Risk Population* General Population
Low 1 - 3 Enjoy your usual outdoor activities. Ideal air quality for outdoor activities.
Moderate 4 - 6 Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms. No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
High 7 - 10 Reduce or reschedule strenuous activities outdoors. Children and the elderly should also take it easy. Consider reducing or rescheduling strenuous activities outdoors if you experience symptoms such as coughing and throat irritation.
Very High Above 10 Avoid strenuous activities outdoors. Children and the elderly should also avoid outdoor physical exertion. Reduce or reschedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation.

* People with heart or breathing problems are at greater risk. Follow your doctor's usual advice about exercising and managing your condition.

Environment and Climate Change Canada website for AQHI readings and forecasts:

You can also get AQHI readings from recorded telephone messages by dialing 1-800-387-7768 (toll-free) or 416-246-0411 in Toronto.