Site air quality table

Time interval

Monitoring time starts from 2014.05.13

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Field display

Chinese field display	Chinese definition of fields
date	Data collection date
hour	Data collection time
site	Data collection site
AQI	Air quality index
PM2.5	1 hour average of particulate matter (particle size less than or equal to 2.5μm)
PM2.5_24h	24-hour sliding average of particulate matter (particle size less than or equal to 2.5 μm)
PM10	One-hour average value of particulate matter (particle size less than or equal to 10 μm)
PM10_24h	24-hour sliding average of particulate matter (particle size less than or equal to 10 μm)
SO2	1-hour average value of sulfur dioxide
SO2_24h	24-hour sliding average of sulfur dioxide
NO2	1-hour average value of nitrogen dioxide
NO2_24h	24-hour sliding average of nitrogen dioxide
O3	Ozone 1 hour average value
O3_24h	Ozone daily maximum 1-hour average value
O3_8h	Ozone 8-hour sliding average
O3_8h_24h	Ozone daily maximum 8-hour moving average
CO	One hour average of carbon monoxide
CO_24h	24-hour sliding average of carbon monoxide

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Sample data

date	hour	site	AQI	PM2.5	PM2.5_24h	PM10	PM10_24h	SO2	SO2_24h	NO2	NO2_24h	O3	O3_24h	O3_8h	O3_8h_24h	CO	CO_24h
20140513	0	1001A	73	41	34	96	73	17	5	42	45	92	155	111	137	0.7	0.738
20140513	0	1002A	32	22	28		60	2	4	23	20	63	143	106	129	0.2	0.221
20140513	0	1003A	84	54	36	118	74	20	8	39	42	86	151	113	136	0.7	0.788
20140513	0	1004A	67	39	31	84	60	22	7	29	37	88	154	84	127	0.6	0.686
20140513	0	1005A	75	47	36	100	78	20	7	42	52	107	176	130	155	0.6	0.675
20140513	0	1006A	83	56	34	115	73	19	8	59	53	77	162	119	146	0.9	0.726
20140513	0	1007A	102	61	38	153	86	17	10	72	56	48	130	94	121	0.7	0.7
20140513	0	1008A	82	59	41	113	74	15	6	76	45	50	155	107	135	0.8	0.636
20140513	0	1009A			25		40		3		24		76		76		0.691
20140513	0	1010A	68	32	32	86	69	3	5	41	33	59	144	95	119	0.5	0.575
20140513	0	1011A	90	55	41	130	85	20	9	58	53	67	147	105	126	0.6	0.596
20140513	0	1012A	86	47	35	121	89	24	18	97	55	36	142	95	126	1	0.629
20140513	0	1013A	77	56	57	71	88	24	21	33	35	66	136	100	121	0.117	0.774
20140513	0	1014A	72	38	41	93	75	19	20	35	40	85	167	128	148	0.936	1.478
20140513	0	1015A	62	35	37	74	65	21	22	29	34	67	134	102	118	1.534	2.072
20140513	0	1016A	67	48	50	76	78	22	19	32	41	72	127	95	117	0.93	1.318
20140513	0	1017A	53	28	33	55	60	28	24	43	39	69	134	101	116	1.052	1.767
20140513	0	1018A	59			67	50	32	19	40	36	61	131	94	120		1.017
20140513	0	1019A	80	45	54	109	106	24	35	39	42	70	145	112	127	0.335	1.302
20140513	0	1020A	83	61	60	64	83	25	22	33	33	80	145	107	131	0.715	1.262
20140513	0	1021A	64	42	45	78	84	17	26	46	40	66	152	109	134	0.631	1.023
20140513	0	1022A	72	42	48	93	85	13	16	33	32	57	108	81	101	1.087	1.356
20140513	0	1023A	76	40	32	102	54	9	23	54	43	11	89	38	63	1.373	1.803
20140513	0	1024A	88	65	58	89	87	28	19	118	48	12	48	36	43	0.797	0.996
20140513	0	1025A	66	37	38	82	94	18	16	42	43	64	127	94	110	0.73	1.114
20140513	0	1026A	86	51	43	122	98	27	26	57	37	51	166	88	115	1.471	1.17
20140513	0	1027A	82	60	44	90	73	23	26	24	19	67	124	94	112	0.916	1.091
20140513	0	1028A	79	58	50		118	74	44	147	48	22	136	74	117	1.139	1.076
20140513	0	1029A	124	58	37	197	125	98	70	113	63	11	151	77	132	1.133	0.825
20140513	0	1030A	100	50	45	150	112	56	40	90	62	9	57	35	46	1	0.81
20140513	0	1031A	131	80	45	212	138	77	60		65	16	170	92	145	0.846	0.603
20140513	0	1032A	144	76	34	238	109	107	56	91	55	6	128	64	113	1.37	1.073
20140513	0	1033A	123	63	36	195	94	72	34	90	49	17	164	81	138	0.61	0.465
20140513	0	1034A	127	80	25	204	85	116	57	98	55	8	115	52	98	0.827	0.613
20140513	0	1035A	80	27	27	110	111	90	86	10	9	145	164	138	140	0.423	0.402
20140513	0	1036A	93	47	41	136	94	15	12	37	33	81	164	125	146	0.538	0.587
20140513	0	1037A	100	75	38	117	83	14	12	59	30	58	179	126	156	0.724	0.554
20140513	0	1038A	90	38	37	130	77	17	16	53	55	98	172	119	146	0.64	0.751
20140513	0	1039A	107	80	37	139	66	46	47	68	56	73	149	106	131	0.516	0.526
20140513	0	1040A	85	58	45	120	87	10	8	37	29	80	162	124	148	0.801	0.772
20140513	0	1041A	69	50	41	83	72	34	28	44	37	83	163	114	147	0.533	1.095
20140513	0	1042A	72	31	30	93	67	39	50	25	33	14	28	20	27	1.352	1.503
20140513	0	1043A	82	22	11	114	64	11	5	48	40	11	57	25	34	1.044	0.874
20140513	0	1044A	40	26	23	40	32	26	30		69	14	43	21	27	1.056	1.062
20140513	0	1045A	67	38	41	83	64	18	21	54	37	65	143	100	118	0.752	0.828
20140513	0	1046A	66	3	6	81	57	29	22	58	24	52	187	115	154	1.313	1.023
20140513	0	1047A	79	52	51	107	157	28	40	42	52	90	158	124	141	0.719	0.995
20140513	0	1048A	98	59	58	146	172	18	40	35	47	69	130	104	118	1.624	1.946
20140513	0	1049A	75	54	62	100	150	41	52	55	63	77	158	118	141	0.9	1.098
20140513	0	1050A	182	137	66		140	35	58	34	47	57	158	119	143	1.038	1.525

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Data update frequency

Annual Update