FLCN21 CWTO 302045
AIR QUALITY HEALTH INDEX FORECAST FOR ONTARIO ISSUED JOINTLY BY
ENVIRONMENT CANADA AND THE PROVINCE OF ONTARIO AT 5:00 P.M. EDT
MONDAY 30 MARCH 2026 FOR TONIGHT TUESDAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 6:00 A.M. EDT TUESDAY.

TORONTO
TORONTO EAST
TORONTO NORTH.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.

TORONTO DOWNTOWN
TORONTO WEST.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 5 OR MODERATE RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

WINDSOR
WINDSOR DOWNTOWN
WINDSOR WEST.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

CHATHAM
PORT STANLEY
LONDON
BRANTFORD
KITCHENER
GUELPH.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

SARNIA
GRAND BEND.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

TIVERTON
BARRIE.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

ST. CATHARINES
HAMILTON
HAMILTON DOWNTOWN
HAMILTON MOUNTAIN
HAMILTON WEST.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

BURLINGTON
OAKVILLE
MILTON
MISSISSAUGA.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

BRAMPTON.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 4 OR MODERATE RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

OSHAWA
NEWMARKET.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

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

DORSET
PARRY SOUND
OTTAWA
GATINEAU
NORTH BAY
SUDBURY
SAULT STE. MARIE.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

CORNWALL.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 3 OR LOW RISK.
WEDNESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.

THUNDER BAY.
TONIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TUESDAY..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
TUESDAY NIGHT..MAXIMUM AIR QUALITY HEALTH INDEX 2 OR LOW RISK.
WEDNESDAY..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

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