Ozone levels remain in healthy ranges, according to "State of the Air" report.
The county was an original co-founder of NWCAA.
Normal operations will resume on Tuesday, Feb. 18.
A weather change has led to air quality improvements.
The ban will remain in place while current air stagnation persists.
NWCAA's office will reopen on Tuesday, Jan. 21.
NWCAA is preparing to award $3.5 million in funding to support local climate mitigation and resilience projects that offer clear, tangible, positive benefits to local communities.