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1-hr PM2.5 Readings
Readings over the last 24 hours
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Historical 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
Pollutant Concentrations
Readings on
View reading for:
Regions
24-hr Sulphur Dioxide (µg/m
3
)
24-hr PM
10
(µg/m
3
)
1-hr Nitrogen Dioxide (µg/m
3
)
a
8-hr Ozone (µg/m
3
)
8-hr Carbon Monoxide (mg/m
3
)
24-hr PM
2.5
(µg/m
3
)
North
South
East
West
Central
Note: The numbers in brackets refer to PSI sub-indices.
Readings from
to
View reading for:
24-hr Sulphur Dioxide
24-hr PM10
24-hr PM2.5
8-hr Ozone
8-hr Carbon Monoxide
1-hr Nitrogen Dioxide
Note:
The numbers in brackets refer to PSI sub-indices.
a
Sub-index for nitrogen dioxide is reported only when the 1-hour concentration exceeds 1130 µg/m
3
.