North Coast Air Quality Management District (District) is a regional environmental regulatory agency which has jurisdiction
over Humboldt, Del Norte, and Trinity counties in Northern California.
District's primary responsibility is controlling air pollution from stationary sources, and we are committed to achieving
and maintaining healthful air quality throughout our tri-county jurisdiction. The District is one of thirty-five local
air districts in California and enforces local, state, and federal air quality regulations.
Current Information for All 3 Zones
PERMISSIVE BURN DAY?
Today: Tuesday March 19th
Did You Know?
Pre-1990 trucks can emit two and a half times as much NOx and five times as much particulates as trucks meeting the current on-road heavy-duty engine exhaust emission standards.