The Post Office will be closed Monday with no mail delivery.
Government offices, banks and trust companies will be closed.
Most stores will be open limited hours including the Lambton Mall from 11-5.
The beer store on Confederation Street will be open from 11 a.m. until 6 p.m. but liquor stores will be closed.
Sarnia Transit is not operating and garbage collection in Sarnia is normal.
The national weather agency said when air pollution levels are high, people should limit time spent outdoors and consider rescheduling outdoor activities and sports events.
The health unit said it happened at around 6:45 p.m. Monday outside of Star Variety near the corner of Confederation Street and Lansdowne Avenue in Sarnia.
On Sunday, July 13, at 12:23 p.m., members of the Lambton County Ontario Provincial Police (OPP), Lambton EMS, and Plympton-Wyoming Fire Department responded to the blaze on Zone Street.
Sarnia police and Lambton OPP stopped 19 commercial vehicles, and issued 22 charges, during a joint traffic safety initiative July 10.
West Region OPP Sgt. Ed Sanchuk said motorists will notice an increased police presence on area roads and highways.
An expert in applied artificial intelligence (AI) in health care is noting how algorithms are being used to benefit the sector and why organizations should start cautiously embracing innovative tools.
