A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate change and Trump administration actions, experts warn, will worsen the trend.
A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate change and Trump administration actions, experts warn, will worsen the trend.
Long article that doesn’t mention what the threshold is for bad air. How many ppm average for the day?