Readings on 06 Sep 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	4(2)	71(61)	38(-)	32(13)	0.6(6)	49(93)
South	12(7)	68(59)	33(-)	35(15)	0.7(7)	53(98)
East	14(9)	66(59)	22(-)	29(12)	0.7(7)	48(92)
West	38(24)	64(57)	27(-)	38(16)	0.5(5)	47(90)
Central	6(4)	67(59)	33(-)	46(19)	0.7(7)	47(90)

1-hr PM_2.5 (µg/m³)^b Readings on 05 Sep 2015

View reading for:

Time	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm
North	44	52	52	48	52	39	53	58	56	61	61	53
South	43	48	40	44	48	47	65	65	72	81	61	70
East	48	46	41	43	44	53	57	52	71	62	55	51
West	45	41	40	36	35	30	29	41	40	54	70	72
Central	39	38	39	36	36	40	50	64	69	69	56	65
Time	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am
North	55	62	55	50	41	41	39	33	35	44	45	42
South	60	45	32	50	37	38	45	58	53	57	58	62
East	55	37	40	40	39	40	47	33	45	57	36	52
West	72	75	51	46	51	46	49	39	33	40	38	52
Central	63	42	38	37	30	32	40	41	47	51	56	50

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 05 Sep 2015

Time	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm
3-hr PSI	85	87	87	86	85	85	88	93	102	107	108	109
Time	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am
3-hr PSI	108	105	96	90	85	84	84	84	86	88	90	93

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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