AAPCA annual air trends report shows continued improvement

The Association of Air Pollution Control Agencies (AAPCA), representing state air agencies in 21 mainly southern and western states, has released its annual State Air Trends and Successes report, once again showing solid improvement in levels of almost all types of air pollution, with the exception of short-term particulate matter (PM) levels increased by wildfires. AAPCA’s annual reports, starting in 2017, attempt to address what the organization says is an unwarranted negative perception of air quality by the public. The...