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Pollutant Concentrations

Readings on 01 Jul 2016

View reading for:

Region 24-hr Sulphur dioxide
(µg/m3)
24-hr PM10
(µg/m3)
1-hr Nitrogen dioxide
(µg/m3)a
8-hr Ozone
(µg/m3)
8-hr Carbon monoxide
(mg/m3)
24-hr PM2.5
(µg/m3)
North 10(6) 42(42) 41(-) 28(12) 0.4(4) 24(64)
South 22(13) 36(36) 24(-) 19(8) 0.2(2) 16(56)
East 11(7) 31(31) 35(-) 13(6) 0.3(3) 14(54)
West 23(15) 36(36) 26(-) 17(7) 0.3(3) 17(57)
Central 11(7) 29(29) 38(-) 17(7) 0.4(4) 17(56)

Note: The numbers in brackets refer to PSI sub-indices.

24-hr Sulphur Dioxide (µg/m3) Readings on 01 Jul 2016

View reading for:

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
North 10(6) - 10(6) 10(6) 10(6) 10(6) 10(6) 10(6) - - - -
South 23(14) - 21(13) 21(13) 21(13) 21(13) 21(13) 22(13) - - - -
East 11(7) - 11(7) 11(7) 11(7) 11(7) 11(7) 11(7) - - - -
West 27(17) - 25(15) 24(15) 24(15) 24(15) 24(15) 23(15) - - - -
Central 12(8) - 11(7) 11(7) 11(7) 11(7) 11(7) 11(7) - - - -
Time 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
North - - - - - - - - - - - -
South - - - - - - - - - - - -
East - - - - - - - - - - - -
West - - - - - - - - - - - -
Central - - - - - - - - - - - -

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/m3.
b There is no sub-index for 1-h PM2.5.

3-hr PSI Readings from 1am to 12am on 01 Jul 2016

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
3-hr PSI 54 - 51 51 52 51 51 53 - - - -
Time 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
3-hr PSI - - - - - - - - - - - -



The real-time data is automatically published as soon as it is generated by our air monitoring stations. The data is subject to verification and correction subsequently if necessary.