Home   Haze Updates   Pollutant Concentrations

Pollutant Concentrations

Readings on 01 Jun 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 13(8) 44(44) 22(-) 51(22) 0.5(5) 25(66)
South 36(22) 37(37) 49(-) 10(4) 0.4(4) 20(60)
East 34(21) 34(34) 22(-) 17(7) 0.3(3) 22(62)
West 27(17) 35(35) 20(-) 32(14) 0.6(6) 21(61)
Central 22(14) 27(27) 33(-) 21(9) 0.3(3) 19(59)

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

1-hr PM2.5 (µg/m3)b Readings on 01 Jun 2016

View reading for:

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
North 46 42 32 44 29 23 26 24 18 25 24 -
South 30 20 18 5 6 20 23 26 16 20 14 -
East 27 21 19 29 31 33 23 21 17 22 15 -
West 27 28 35 38 38 36 46 35 36 31 10 -
Central 27 30 26 22 31 24 23 24 18 12 8 -
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 Jun 2016

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
3-hr PSI 70 71 69 68 68 68 68 68 66 63 59 -
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.