he National Ambient Air Quality Standards (or NAAQS) prescribe a level
for each of the 6 criteria air pollutants that cannot be exceeded during
a specific time period. Particulate matter (PM), sulfur dioxide (SO2),
carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), and lead (Pb)
are strictly regulated because of their proven harmful effects on our
health and the health of our environment.
he National Ambient Air Quality Standards (or NAAQS) prescribe a level
for each of the 6 criteria air pollutants that cannot be exceeded during
a specific time period. Particulate matter (PM), sulfur dioxide (SO2),
carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), and lead (Pb)
are strictly regulated because of their proven harmful effects on our
health and the health of our environment.