FLCN21 CWTO 130945
AIR QUALITY HEALTH INDEX FORECAST FOR ONTARIO ISSUED JOINTLY BY
ENVIRONMENT CANADA AND THE PROVINCE OF ONTARIO AT 6:00 A.M. EDT
FRIDAY 13 MARCH 2026 FOR TODAY AND SATURDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 P.M. EDT.

TORONTO
TORONTO EAST
TORONTO NORTH
TORONTO WEST
BRANTFORD
ST. CATHARINES
HAMILTON
HAMILTON DOWNTOWN
HAMILTON MOUNTAIN
HAMILTON WEST
BURLINGTON
OAKVILLE
MILTON
MISSISSAUGA
BRAMPTON
OSHAWA
NEWMARKET.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

TORONTO DOWNTOWN.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

WINDSOR
WINDSOR WEST.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

WINDSOR DOWNTOWN.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

CHATHAM
SARNIA
PORT STANLEY
LONDON
GRAND BEND
KITCHENER
GUELPH.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

TIVERTON
BARRIE
DORSET
PARRY SOUND.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

PETERBOROUGH
BELLEVILLE
KINGSTON.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

CORNWALL
OTTAWA
GATINEAU.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

NORTH BAY
SUDBURY
SAULT STE. MARIE.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

THUNDER BAY.
TODAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
SATURDAY NIGHT..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