The skies seem a little clearer but the regional district is continuing its fine particulate matter advisory that has been in effect since Sept. 8 for Metro Vancouver and the Fraser Valley Regional District due to wildfire smoke from outside the region.
Wildfire smoke from fires in Washington and Oregon continues to persist in the region.
Metro says air quality has improved slightly overnight but ground-level smoke still remains and is expected to remain through the week.
A weather system forecast for Friday may bring further improvements in air quality through the weekend.
Localized smoke concentrations may vary widely across the region as winds and temperatures change, and as wildfire behaviour changes.
A timber wharf fire in New Westminster continues to burn producing considerable local smoke.