Air Quality

The Washington Metropolitan region, which includes Rockville, has taken steps to improve air quality and reduce the number of Code Red days; however, ground-level ozone and fine particulate matter are the two most important pollutants that impact human health in this region. As a result, there are regional air quality management programs in place to achieve compliance.

Air Quality Index

The Air Quality Index reports how clean or polluted the air is and what associated health effects might be of concern for you.

Air Quality Data