Readings on 07 Aug 2015

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 PM_2.5 (µg/m³)
North	6(4)	28(28)	49(-)	8(3)	0.8(8)	17(57)
South	15(10)	24(24)	52(-)	13(6)	0.6(6)	14(54)
East	12(8)	21(21)	35(-)	3(1)	0.5(5)	15(54)
West	24(15)	31(31)	96(-)	7(3)	0.6(6)	19(58)
Central	6(4)	24(24)	56(-)	4(2)	0.8(8)	13(52)

1-hr PM_2.5 (µg/m³)^b Readings on 06 Aug 2015

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Time	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm
North	15	12	13	9	13	12	11	11	15	26	23	23
South	12	8	12	12	18	12	10	8	12	15	19	16
East	13	16	9	12	12	14	14	6	14	19	18	20
West	10	16	17	14	16	15	21	18	18	24	21	26
Central	6	12	15	9	12	11	9	8	10	13	11	15
Time	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am
North	23	21	18	14	9	16	14	25	15	16	27	27
South	19	21	19	17	7	12	17	22	24	20	8	5
East	20	32	9	9	16	13	15	20	21	9	11	14
West	28	21	20	14	9	9	10	20	25	23	24	25
Central	17	22	16	20	9	8	10	18	20	19	20	10

Note:
^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 PM_2.5.

3-hr PSI Readings from 1am to 12am on 06 Aug 2015

Time	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm
3-hr PSI	50	51	51	51	52	52	52	50	51	54	57	59
Time	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am
3-hr PSI	60	62	60	58	53	50	48	55	58	60	59	57

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.

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