Fighting air inequality through
open data.
OpenAQ is a nonprofit organization providing universal access to air quality data to empower a global community of changemakers to solve air inequality—the unequal access to clean air.
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58
McMillan Reservoir
Washington DC, US
Latest readings 13:22 (local time)
PM2.5
PM10
BC
O₃
NO₂
SO₂
CO
7 µg/m³
24 µg/m³
0.25 µg/m³
22 ppb
11 ppb
1.00 ppb
300 ppb
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