The alert is an extension of an existing alert that was issued statewide Saturday and expected to expire Monday night because of drifting wildfire smoke from Canada. But the conditions for Tuesday will be more region-specific and are attributed to a forecast of elevated ozone levels.

Air Quality alert continues today with wildfire smoke and ozone at the surface making air quality a concern. High temperatures near 90° in spots.

Air quality alerts are issued when ground-level ozone or particulate matter (PM5.2) exceed the unhealthy sensitive groups threshold. "The combination of high temperatures and sunn