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1-hr PM2.5 Readings
Readings over the last 24 hours
Pollutant Concentrations
Historical Readings
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Posters
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1-hr PM2.5 Readings
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1-hr PM2.5 Readings
Readings over the last 24 hours
Pollutant Concentrations
Historical Readings
Portable Air Cleaners
Posters
You are now reading:
1-hr PM2.5 Readings
Readings over the last 24 hours
Pollutant Concentrations
Historical Readings
Portable Air Cleaners
Posters
1-hr PM
2.5
(µg/m
3
) Readings
1-hr PM
2.5
(µg/m
3
) Readings from
to
1-hr PM
2.5
conc (µg/m
3
)
Band
Descriptor
0 - 55
1
Normal
56 - 150
2
Elevated
151 - 250
3
High
>=251
4
Very High