Fine particulate matter less than 2.5 micrometers in diameter
22.6μg/m³
Particulate matter less than 10 micrometers in diameter
36.3μg/m³
A colorless, odorless gas that can be harmful when inhaled
557μg/m³
NO₂ concentration near the surface
12.3μg/m³
SO₂ concentration near the surface
8.6μg/m³
O₃ concentration near the surface
80μg/m³
Dust particle concentration near the surface
27μg/m³