What counts as bad air?
The Environmental Protection Agency’s Air Quality Index converts all pollutant levels into a single number. The lower the number, the better.
Anything below 50 is classified as “healthy.” Fifty to 100 is “moderate,” while 100 to 150 is unhealthy for “sensitive groups,” and anything above 150 is bad for everyone.
Sensitive groups include people with…
more
Source www.pbs.org
FTC: We use income earning affiliate links. More on Sposored links.
Terms of use and third-party services. More here.
Terms of use and third-party services. More here.