AQHI Forecast:


Forecast Issued on:
July 23, 2019


AQHI Forecast for Tuesday Night by Stations.
Station Location AQHI AQHI Category
Barrie83 Perry St.2Low Risk, BarrieLow Risk
Belleville2 Sidney St., Water Treatment Plant2Low Risk, BellevilleLow Risk
Brampton109 Mclaughlin Rd. S.2Low Risk, BramptonLow Risk
Brantford324 Grand River Ave.2Low Risk, BrantfordLow Risk
Chatham435 Grand Ave. W.2Low Risk, ChathamLow Risk
CornwallBedford St. 3rd St. W.2Low Risk, CornwallLow Risk
Dorset1026 Bellwood Acres Rd.2Low Risk, DorsetLow Risk
Grand BendPoint Blake Conservation Area2Low Risk, Grand BendLow Risk
GuelphExhibition St. Clark St. W.2Low Risk, GuelphLow Risk
Milton1120 Main St. E.2Low Risk, MiltonLow Risk
BurlingtonNorth Shore Blvd. E. Lakeshore Rd.2Low Risk, BurlingtonLow Risk
Hamilton DowntownElgin St. Kelly St.2Low Risk, Hamilton DowntownLow Risk
Hamilton Mountain250 Fennell Ave. W.2Low Risk, Hamilton MountainLow Risk
Hamilton WestMain St. W. Hwy 4032Low Risk, Hamilton WestLow Risk
Kingston23 Beechgrove Lane2Low Risk, KingstonLow Risk
KitchenerWest Ave. Homewood Ave.2Low Risk, KitchenerLow Risk
London42 St. Julien St.2Low Risk, LondonLow Risk
Mississauga3359 Mississauga Rd. N., U of T Campus2Low Risk, MississaugaLow Risk
NewmarketEagle St. W. McCaffrey Rd.2Low Risk, NewmarketLow Risk
North BayChippewa St. W., Dept. National Defence2Low Risk, North BayLow Risk
OakvilleEighth Line, Glenashton Dr., Halton Res.2Low Risk, OakvilleLow Risk
OshawaBrittania Ave. W., Ep Taylor Stables2Low Risk, OshawaLow Risk
Ottawa DowntownRideau St. Wurtemburg St.2Low Risk, Ottawa DowntownLow Risk
Parry Sound7 Bay St.2Low Risk, Parry SoundLow Risk
PetawawaPetawawa Research Forest Facility2Low Risk, PetawawaLow Risk
Peterborough10 Hospital Dr.2Low Risk, PeterboroughLow Risk
Port Stanley43665 Dexter Line, Elgin Water T. Plt2Low Risk, Port StanleyLow Risk
Sarnia700 Christina St. N.2Low Risk, SarniaLow Risk
Sault Ste. MarieSault College2Low Risk, Sault Ste. MarieLow Risk
St. CatharinesArgyle Cres., Pump Stn.2Low Risk, St. CatharinesLow Risk
Sudbury155 Elm Street2Low Risk, SudburyLow Risk
Thunder Bay421 James St. S.2Low Risk, Thunder BayLow Risk
Tiverton4th Concession, Bruce Rd. 232Low Risk, TivertonLow Risk
Toronto DowntownBay St. Wellesley St. W.2Low Risk, Toronto DowntownLow Risk
Toronto EastKennedy Rd. Lawrence Ave. E.2Low Risk, Toronto EastLow Risk
Toronto North4905 Dufferin St., Eccc2Low Risk, Toronto NorthLow Risk
Toronto West125 Resources Rd.2Low Risk, Toronto WestLow Risk
Windsor Downtown467 University Ave. W.3Low Risk, Windsor DowntownLow Risk
Windsor WestCollege Ave. South St.3Low Risk, Windsor WestLow Risk

Forecast: Ontario's Air Quality Health Index

  • Environment Canada location AQHI forecasts updated at 6:00 am EDT July 23, 2019.

The AQHI is a health protection tool that is designed to help you make decisions to protect your health by limiting short-term exposure to air pollution and adjusting your activity levels during increased levels of air pollution. It is based on the following pollutants in our air: Ozone (O3), Fine Particulate Matter (PM2.5), Nitrogen Dioxide (NO2).

Maps: Air Quality Health Index by Location

Tables: Air Quality Health Index by Location

Current Observations and Forecasts

Note: The Air Quality Health Index on this web page are based on automatically polled data and have not undergone final verification.

Note: N/A (Not Available) denotes invalid or missing data.

Air Quality Health Index (AQHI) Categories

Air Quality Health Index Categories, Values and Associated Colours
Air Quality Health Index Categories and Values
1
2
3
4
5
6
7
8
9
10
+
Low Risk
(1 - 3)		 Moderate Risk
(4 - 6)		 High Risk
(7 - 10)		 Very High Risk
 

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.

Air Quality Health Index (AQHI)

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