Code Orange alert for Friday as Arlington’s air quality remains at ‘unhealthy’ levels

Arlington’s air quality index as of 4 p.m. Thursday (via AirNow.gov)
It’s been another smoky day in Arlington, and the air quality is still considered “unhealthy” as the workday nears a close.
The Air Quality Index registered at 177 as of 4 p.m. Thursday, solidly in the “Code Red” level.
Tomorrow is expected to also be hazy, but somewhat improved, with a Code Orange alert issued minutes ago.
More, below, from the Metropolitan Washington Council of Governments.