"A special air quality statement is in place due to the possibility of deteriorating air quality," the agency wrote in a press release Thursday. "Hot and sunny conditions are expected to cause increasing ground-level ozone concentrations in the area."

The worst conditions on Tuesday in London are predicted to last between 4 and 8 p.m.

The province has put out a request for contract bids, amid concerns the wildfire season and COVID-19 could combine to cause serious health issues.

Seventy-six local sites provide hourly figures that are processed, stored and posted near real-time on the B.C. air quality website.

Most major Canadian cities saw drastic improvements in air quality over the last two months as COVID-19 kept people at home instead of on the roads.

With wildfire season on the horizon for British Columbia, there are concerns that smoke pollution will only make the COVID-19 pandemic worse.

The advisory was issued because of elevated concentrations of dust, but officials said changing meteorological conditions have since improved conditions across the region.

Ministry says road dust levels tend to be highest around busy roads and industrial operations.

It's not unusual for Vernon to face dust advisories in the late winter and early spring.

The weather agency said the smog could be particularly acute in urban areas.