肇庆2022/1/1-2022/12/31空气质量数据下载，肇庆空气污染指数查询_肇庆AQI历史数据下载

视野空气质量-空气污染指数查询站+关注

当前位置：首页 > 空气数据 > [肇庆] - 肇庆空气质量数据下载

肇庆2022空气质量数据

更多下载与查询

肇庆2022年空气质量数据已查询136次

肇庆空气质量数据（2022/1/1-2022/12/31）
数据单位：μg/m³（co为mg/m³）
日期	AQI	PM2.5	SO2	PM10	O3	NO2	CO	温度? 更多参数请点击【肇庆天气】	湿度
2022/12/31	48	33	7	43	88	21	0.6	11	67
2022/12/30	44	29	7	37	87	21	0.6	12	62
2022/12/29	70	51	8	63	96	20	0.7	13	55
2022/12/28	79	58	11	81	116	31	0.6	15	62
2022/12/27	59	38	13	61	101	47	0.5	14	69
2022/12/26	68	41	16	69	121	51	0.5	13	72
2022/12/25	49	23	13	43	97	37	0.4	13	63
2022/12/24	50	27	13	50	94	37	0.5	13	60
2022/12/23	59	28	11	53	110	36	0.6	13	60
2022/12/22	47	28	10	45	94	37	0.6	13	63
2022/12/21	49	21	9	32	97	24	0.5	16	53
2022/12/20	54	24	13	47	77	43	0.5	13	63
2022/12/19	39	16	10	36	75	31	0.5	11	53
2022/12/18	40	16	8	34	80	18	0.4	10	41
2022/12/17	55	39	7	57	83	19	0.8	12	58
2022/12/16	39	21	7	30	45	31	0.7	14	92
2022/12/15	51	28	12	51	51	36	0.6	13	72
2022/12/14	56	38	11	61	91	26	0.7	13	56
2022/12/13	68	49	9	71	89	25	0.7	12	55
2022/12/12	79	58	7	76	96	21	0.8	14	62
2022/12/11	52	36	8	50	85	19	0.6	15	59
2022/12/10	45	24	9	37	89	23	0.6	16	66
2022/12/9	34	20	8	30	67	25	0.7	16	76
2022/12/8	35	20	8	32	57	28	0.7	16	73
2022/12/7	33	14	7	24	66	25	0.7	14	73
2022/12/6	25	15	7	22	46	20	0.7	12	71
2022/12/5	25	6	6	10	33	20	0.6	13	71
2022/12/4	29	12	7	21	23	23	0.6	16	80
2022/12/3	33	13	7	21	32	26	0.6	15	75
2022/12/2	22	4	6	7	31	17	0.5	11	76
2022/12/1	23	4	6	9	28	18	0.6	11	77
2022/11/30	24	8	7	17	29	19	0.8	18	82
2022/11/29	28	13	10	25	43	22	0.6	25	87
2022/11/28	26	9	10	20	51	19	0.6	25	84
2022/11/27	50	26	9	38	35	40	0.9	22	95
2022/11/26	33	12	7	16	37	26	0.8	20	97
2022/11/25	34	14	8	18	29	27	0.9	19	96
2022/11/24	27	4	6	7	32	21	0.9	20	96
2022/11/23	23	4	6	7	42	18	0.8	21	94
2022/11/22	37	11	7	17	49	29	0.6	22	93
2022/11/21	75	35	12	55	130	38	0.9	23	84
2022/11/20	63	18	10	33	115	26	0.8	24	75
2022/11/19	89	41	10	59	146	36	0.8	24	84
2022/11/18	129	47	10	68	191	40	0.8	24	85
2022/11/17	49	30	11	49	87	32	0.7	23	83
2022/11/16	84	62	15	93	128	38	0.9	23	78
2022/11/15	75	55	14	80	111	36	0.9	23	79
2022/11/14	70	44	12	66	123	39	0.8	23	83
2022/11/13	117	45	13	63	178	41	0.7	23	83
2022/11/12	118	53	14	74	179	41	0.7	22	85
2022/11/11	86	35	11	53	143	37	0.7	23	84
2022/11/10	47	27	14	41	93	28	0.6	22	88
2022/11/9	32	17	7	25	57	25	0.6	22	89
2022/11/8	33	22	7	33	45	26	0.7	20	92
2022/11/7	36	23	12	36	56	28	0.7	20	88
2022/11/6	30	21	7	28	44	24	0.7	18	92
2022/11/5	34	7	6	12	67	17	0.6	18	87
2022/11/4	24	5	6	7	48	18	0.6	19	93
2022/11/3	26	5	6	7	51	18	0.5	19	91
2022/11/2	49	15	7	23	98	16	0.5	20	75
2022/11/1	68	20	8	34	121	14	0.5	23	49
2022/10/31	63	23	6	35	115	13	0.5	23	55
2022/10/30	50	15	7	22	99	13	0.5	24	60
2022/10/29	67	24	8	36	120	17	0.6	24	65
2022/10/28	97	41	10	63	156	29	0.7	24	68
2022/10/27	149	35	13	64	213	33	0.6	24	73
2022/10/26	150	28	10	59	214	31	0.5	23	73
2022/10/25	166	43	13	77	231	28	0.6	24	74
2022/10/24	151	40	13	66	216	38	0.7	24	67
2022/10/23	116	28	12	47	177	38	0.6	25	63
2022/10/22	104	33	14	52	164	42	0.6	25	62
2022/10/21	153	38	15	64	218	47	0.6	24	66
2022/10/20	123	36	13	61	185	35	0.6	23	51
2022/10/19	77	19	10	40	132	22	0.4	22	37
2022/10/18	80	28	9	53	135	21	0.5	23	42
2022/10/17	98	27	9	43	157	14	0.5	27	36
2022/10/16	108	29	9	45	168	17	0.5	25	51
2022/10/15	105	23	10	39	165	27	0.5	23	61
2022/10/14	107	24	11	40	167	33	0.5	23	63
2022/10/13	95	21	9	37	153	34	0.5	22	64
2022/10/12	93	20	10	37	151	31	0.4	21	62
2022/10/11	75	15	8	31	130	21	0.3	22	44
2022/10/10	53	12	6	24	103	14	0.5	22	54
2022/10/9	60	19	7	29	111	15	0.6	25	70
2022/10/8	81	19	8	31	137	17	0.6	25	70
2022/10/7	59	28	9	45	110	20	0.6	26	78
2022/10/6	106	21	8	37	166	23	0.5	28	79
2022/10/5	95	27	15	42	153	22	0.5	28	80
2022/10/4	50	15	14	25	99	21	0.5	28	79
2022/10/3	57	13	9	24	108	18	0.4	28	79
2022/10/2	50	14	9	26	100	19	0.5	28	83
2022/10/1	42	11	8	21	83	21	0.5	26	87
2022/9/30	34	12	9	20	51	27	0.5	25	91
2022/9/29	66	14	8	31	119	27	0.5	28	75
2022/9/28	113	21	9	42	174	28	0.6	29	71
2022/9/27	120	36	10	57	181	30	0.7	28	75
2022/9/26	142	42	10	62	206	31	0.7	28	72
2022/9/25	135	43	8	63	198	30	0.7	28	75
2022/9/24	137	40	9	57	200	25	0.7	27	77
2022/9/23	127	42	8	62	189	26	0.7	28	78
2022/9/22	142	31	8	54	206	26	0.6	27	79
2022/9/21	141	34	8	49	205	24	0.7	27	83
2022/9/20	179	47	8	67	244	26	0.7	28	77
2022/9/19	137	44	8	63	200	25	0.7	30	73
2022/9/18	100	41	7	56	160	22	0.7	30	72
2022/9/17	114	46	9	64	175	27	0.7	30	73
2022/9/16	114	40	9	60	175	29	0.7	29	73
2022/9/15	118	34	7	51	179	25	0.6	29	69
2022/9/14	116	33	7	50	177	22	0.6	29	68
2022/9/13	123	32	7	48	185	25	0.6	29	70
2022/9/12	101	26	7	41	161	20	0.6	29	71
2022/9/11	70	23	8	35	123	18	0.5	28	82
2022/9/10	70	15	7	24	123	16	0.5	28	80
2022/9/9	50	8	5	13	100	16	0.5	28	81
2022/9/8	98	20	6	31	157	20	0.6	27	84
2022/9/7	100	29	8	47	159	25	0.6	27	82
2022/9/6	132	30	9	47	195	24	0.6	29	66
2022/9/5	99	29	11	44	158	22	0.5	28	66
2022/9/4	83	21	8	33	139	14	0.5	29	58
2022/9/3	80	26	7	34	136	11	0.6	28	59
2022/9/2	56	16	6	23	107	10	0.5	29	65
2022/9/1	46	17	7	26	91	14	0.7	29	75
2022/8/31	73	24	8	38	127	18	0.6	29	83
2022/8/30	46	25	14	40	92	21	0.6	29	85
2022/8/29	78	24	11	42	133	15	0.6	30	81
2022/8/28	62	17	16	31	114	18	0.6	30	78
2022/8/27	49	15	10	30	97	17	0.5	29	80
2022/8/26	43	14	8	25	86	21	0.5	27	87
2022/8/25	30	4	7	13	60	11	0.4	26	83
2022/8/24	100	23	11	40	159	21	0.5	30	81
2022/8/23	55	18	11	33	106	19	0.5	30	79
2022/8/22	44	16	10	30	88	16	0.4	29	82
2022/8/21	34	9	8	18	68	17	0.5	26	91
2022/8/20	33	6	8	13	66	19	0.5	26	90
2022/8/19	52	15	9	26	102	19	0.5	28	86
2022/8/18	64	11	10	23	116	26	0.5	28	86
2022/8/17	57	15	9	27	108	24	0.5	29	92
2022/8/16	85	15	9	28	141	16	0.5	29	82
2022/8/15	66	15	12	27	119	15	0.5	30	78
2022/8/14	48	15	11	27	96	14	0.5	28	81
2022/8/13	54	15	12	29	104	23	0.5	27	88
2022/8/12	37	13	10	23	74	26	0.5	26	91
2022/8/11	36	12	9	17	72	19	0.4	26	88
2022/8/10	27	6	8	9	53	15	0.3	25	92
2022/8/9	34	9	9	15	67	14	0.3	27	85
2022/8/9	34	9	9	15	67	14	0.3	27	85
2022/8/8	50	10	9	22	99	18	0.3	28	82
2022/8/7	103	20	9	31	163	20	0.4	29	78
2022/8/6	44	14	9	23	88	21	0.4	27	88
2022/8/5	35	7	8	9	70	11	0.4	26	89
2022/8/4	38	8	7	11	75	10	0.5	26	89
2022/8/3	42	13	10	20	83	15	0.5	27	87
2022/8/2	48	10	9	18	95	12	0.4	31	67
2022/8/1	59	15	10	26	110	14	0.5	31	67
2022/7/31	87	22	8	34	144	16	0.5	30	72
2022/7/30	100	28	10	46	160	20	0.5	30	74
2022/7/29	77	29	10	43	132	18	0.6	31	68
2022/7/28	70	30	10	42	124	15	0.6	31	72
2022/7/27	72	28	10	41	126	11	0.5	31	73
2022/7/26	95	31	11	49	154	13	0.6	32	72
2022/7/25	101	30	11	45	161	16	0.6	32	71
2022/7/24	65	22	10	35	118	16	0.5	32	72
2022/7/23	49	15	10	28	97	14	0.4	31	70
2022/7/22	48	11	14	22	96	13	0.4	30	73
2022/7/21	44	9	10	20	88	11	0.4	30	75
2022/7/20	38	9	10	21	76	12	0.5	29	79
2022/7/19	37	12	9	25	73	9	0.5	30	76
2022/7/18	43	16	10	29	85	8	0.5	30	79
2022/7/17	37	14	10	26	73	10	0.5	30	80
2022/7/16	39	14	13	27	77	12	0.5	30	79
2022/7/15	31	10	12	22	61	16	0.5	28	83
2022/7/14	53	16	14	28	103	13	0.5	30	74
2022/7/13	55	16	10	26	106	13	0.5	30	73
2022/7/12	65	16	11	27	118	12	0.5	30	75
2022/7/11	46	14	10	21	91	12	0.5	30	76
2022/7/10	68	16	13	29	121	20	0.6	29	84
2022/7/9	55	15	9	26	105	19	0.6	27	89
2022/7/8	27	13	10	23	49	21	0.6	27	91
2022/7/7	28	10	10	19	33	22	0.5	25	95
2022/7/6	36	9	9	17	71	16	0.5	27	90
2022/7/5	33	14	8	24	65	15	0.6	27	89
2022/7/4	22	10	8	15	43	14	0.6	27	93
2022/7/3	28	6	8	10	55	7	0.5	26	91
2022/7/2	26	4	8	8	52	12	0.5	26	88
2022/7/1	38	8	9	19	75	15	0.6	28	78
2022/6/30	40	10	10	22	79	24	0.6	28	83
2022/6/29	86	13	12	27	143	16	0.6	30	72
2022/6/28	43	10	10	19	86	10	0.5	30	75
2022/6/27	32	8	10	15	63	10	0.5	29	75
2022/6/26	33	7	9	14	66	12	0.5	28	78
2022/6/25	38	9	11	17	75	11	0.5	29	76
2022/6/24	45	8	12	16	89	10	0.5	29	73
2022/6/23	38	9	11	19	76	9	0.5	29	75
2022/6/22	38	11	9	22	76	8	0.5	29	79
2022/6/21	29	12	9	26	58	8	0.5	28	83
2022/6/20	31	9	8	17	61	8	0.5	28	84
2022/6/19	33	12	7	20	65	8	0.6	28	84
2022/6/18	28	10	8	18	56	9	0.5	28	84
2022/6/17	26	10	8	19	51	11	0.5	27	87
2022/6/16	38	14	10	23	76	17	0.6	26	90
2022/6/15	48	18	10	27	96	18	0.7	25	92
2022/6/14	24	12	9	22	42	19	0.7	25	94
2022/6/13	29	15	8	26	57	14	0.6	27	90
2022/6/12	32	14	10	26	63	16	0.6	26	89
2022/6/11	23	14	10	22	45	17	0.6	26	93
2022/6/10	43	15	8	27	85	14	0.6	27	89
2022/6/9	27	6	8	10	54	12	0.6	26	92
2022/6/8	31	13	9	19	61	20	0.6	25	93
2022/6/7	45	16	9	27	90	22	0.6	26	92
2022/6/6	37	11	8	21	73	14	0.6	28	86
2022/6/5	39	14	8	25	78	9	0.6	29	79
2022/6/4	38	14	8	24	76	6	0.6	29	78
2022/6/3	30	16	8	28	60	9	0.6	28	85
2022/6/2	34	14	8	26	67	14	0.6	27	85
2022/6/1	38	17	9	30	76	12	0.6	28	82
2022/5/31	43	16	9	27	86	12	0.6	28	83
2022/5/30	54	17	10	31	104	14	0.5	28	81
2022/5/29	40	12	8	27	80	10	0.5	28	82
2022/5/28	33	16	9	26	65	20	0.6	27	90
2022/5/27	31	19	11	31	55	19	0.6	26	93
2022/5/26	45	14	9	23	89	14	0.6	27	85
2022/5/25	52	22	8	32	102	22	0.7	27	87
2022/5/24	71	30	7	36	125	30	0.8	26	92
2022/5/23	43	30	7	42	54	33	0.8	24	95
2022/5/22	36	25	7	35	56	26	0.9	24	92
2022/5/21	67	48	13	68	115	27	0.9	26	87
2022/5/20	70	27	11	45	123	21	0.7	27	75
2022/5/19	109	31	12	54	169	32	0.6	25	69
2022/5/18	175	33	12	55	240	33	0.6	23	73
2022/5/17	90	16	9	30	147	23	0.6	21	75
2022/5/16	41	5	6	10	82	13	0.7	20	78
2022/5/15	32	3	6	6	63	14	0.7	21	93
2022/5/14	38	13	7	18	76	15	0.8	23	92
2022/5/13	33	10	8	15	39	26	1	23	97
2022/5/12	33	12	8	16	36	26	0.8	24	96
2022/5/11	31	9	8	16	62	20	0.7	25	93
2022/5/10	31	15	9	25	62	18	0.7	24	92
2022/5/9	92	48	14	72	150	36	0.9	24	88
2022/5/8	75	36	9	49	130	34	0.8	23	90
2022/5/7	59	35	13	51	110	27	0.7	23	91
2022/5/6	112	32	12	52	173	23	0.7	25	76
2022/5/5	180	42	14	65	245	35	0.8	24	75
2022/5/4	132	30	13	47	195	34	0.7	22	75
2022/5/3	80	19	8	30	136	23	0.7	21	73
2022/5/2	48	8	6	11	95	14	0.6	18	80
2022/5/1	29	2	6	4	58	12	0.7	17	95
2022/4/30	62	33	10	45	114	21	0.8	25	82
2022/4/29	42	23	11	31	83	14	0.5	27	84
2022/4/28	33	16	10	26	66	12	0.5	28	78
2022/4/27	36	16	11	27	72	13	0.5	28	77
2022/4/26	33	22	10	33	49	13	0.5	27	80
2022/4/25	28	10	8	18	55	8	0.4	28	77
2022/4/24	29	19	10	29	56	21	0.6	26	85
2022/4/23	32	20	9	32	61	21	0.6	25	89
2022/4/22	42	22	10	36	83	17	0.6	24	86
2022/4/21	58	29	18	42	109	26	0.8	23	82
2022/4/20	40	28	23	38	63	29	0.8	19	87
2022/4/19	25	9	8	13	50	20	0.8	16	93
2022/4/18	23	4	6	6	34	18	0.7	16	95
2022/4/17	27	17	6	27	34	20	0.8	17	93
2022/4/16	42	14	7	30	84	21	0.7	21	85
2022/4/15	119	22	10	40	180	21	0.7	24	65
2022/4/14	91	10	8	23	149	16	0.7	24	63
2022/4/13	48	17	11	30	96	15	0.6	25	74
2022/4/12	43	15	11	29	86	15	0.5	25	75
2022/4/11	55	20	12	38	106	23	0.6	24	73
2022/4/10	118	28	14	52	179	32	0.6	23	64
2022/4/9	128	33	14	58	190	28	0.7	23	66
2022/4/8	125	34	14	57	187	30	0.7	23	70
2022/4/7	116	45	15	70	177	35	0.8	24	67
2022/4/6	149	43	15	72	213	37	0.8	22	69
2022/4/5	150	37	17	66	214	37	0.7	20	70
2022/4/4	106	24	13	53	166	35	0.6	18	64
2022/4/3	76	15	7	28	131	23	0.5	18	48
2022/4/2	45	4	4	10	90	16	0.5	14	78
2022/4/1	35	3	4	7	69	15	0.7	17	89
2022/3/31	90	34	7	54	147	37	0.9	24	88
2022/3/30	52	31	8	51	102	39	0.9	21	90
2022/3/29	49	24	8	39	27	39	0.8	17	91
2022/3/28	28	10	5	16	49	22	0.8	16	88
2022/3/27	21	7	5	13	41	16	0.8	18	84
2022/3/26	39	25	9	39	60	27	0.9	24	94
2022/3/25	77	31	14	41	31	61	1.1	20	97
2022/3/24	45	10	8	14	24	36	0.9	14	100
2022/3/23	22	2	6	4	36	17	0.8	14	95
2022/3/22	40	27	10	40	36	27	0.7	24	92
2022/3/21	46	29	10	46	52	28	0.8	23	94
2022/3/20	35	23	9	35	67	24	0.7	23	92
2022/3/19	94	38	11	59	152	33	0.8	25	84
2022/3/18	34	21	8	32	68	26	0.7	23	89
2022/3/17	35	18	9	30	70	17	0.6	24	86
2022/3/16	46	28	12	46	64	24	0.6	23	88
2022/3/15	105	40	16	63	165	35	0.7	25	79
2022/3/14	51	23	13	42	101	23	0.5	24	77
2022/3/13	50	19	12	37	99	22	0.5	23	76
2022/3/12	60	22	13	41	111	26	0.5	23	72
2022/3/11	60	21	14	43	112	23	0.5	22	69
2022/3/10	85	24	14	47	142	37	0.5	20	68
2022/3/9	110	23	12	45	171	36	0.5	17	68
2022/3/8	94	23	11	57	152	31	0.5	17	59
2022/3/7	55	9	6	24	106	18	0.6	20	63
2022/3/6	50	24	10	39	100	21	0.6	21	80
2022/3/5	50	29	16	44	100	26	0.7	23	79
2022/3/4	57	28	16	47	108	26	0.7	22	79
2022/3/3	52	36	13	50	84	24	0.7	21	81
2022/3/2	76	40	11	54	131	26	0.8	21	76
2022/3/1	41	22	12	36	82	29	0.7	21	79
2022/2/28	67	32	11	47	120	26	0.6	20	74
2022/2/27	100	42	15	57	160	31	0.7	18	71
2022/2/26	74	27	10	37	128	30	0.7	15	73
2022/2/25	48	23	9	33	95	27	0.7	12	76
2022/2/24	37	12	6	17	74	16	0.6	10	68
2022/2/23	33	5	6	7	66	11	0.6	9	72
2022/2/22	24	3	6	4	48	13	0.6	8	93
2022/2/21	31	3	6	4	61	15	0.6	7	94
2022/2/20	31	3	6	4	62	14	0.6	6	93
2022/2/19	20	1	6	1	34	16	0.7	9	93
2022/2/18	45	16	7	21	18	36	0.8	15	96
2022/2/17	54	29	8	37	51	43	0.8	15	94
2022/2/16	47	31	10	47	61	36	0.9	16	79
2022/2/15	50	22	9	32	99	24	0.9	15	75
2022/2/14	41	7	7	11	81	19	0.8	13	76
2022/2/13	27	11	8	16	20	21	0.9	12	93
2022/2/12	34	11	8	19	25	27	0.9	14	91
2022/2/11	42	25	7	39	21	33	0.9	13	96
2022/2/10	25	9	7	12	26	20	0.8	10	95
2022/2/9	20	3	6	6	29	15	0.8	10	92
2022/2/8	23	3	7	5	36	13	0.9	11	91
2022/2/7	29	18	7	22	29	23	0.8	12	95
2022/2/6	25	16	7	24	49	16	0.8	11	81
2022/2/5	30	16	6	20	59	11	0.7	10	75
2022/2/4	27	12	6	16	54	10	0.7	11	73
2022/2/3	20	3	6	5	39	10	0.8	9	90
2022/2/2	20	6	6	7	31	11	0.8	9	94
2022/2/1	21	7	6	8	41	11	0.8	9	90
2022/1/31	24	11	6	14	47	12	0.8	8	84
2022/1/30	33	6	6	9	66	11	0.9	10	72
2022/1/29	30	10	6	17	33	13	1.2	13	85
2022/1/28	32	22	7	32	47	20	1.1	17	87
2022/1/27	65	29	7	39	117	26	0.9	19	84
2022/1/26	35	22	7	34	58	28	1	17	88
2022/1/25	28	11	6	17	31	22	1	14	92
2022/1/24	35	16	7	29	29	28	0.8	17	91
2022/1/23	53	36	8	52	37	42	0.8	18	91
2022/1/22	78	57	8	85	73	59	1	17	87
2022/1/21	73	35	8	52	127	43	0.8	16	80
2022/1/20	42	18	7	29	83	32	0.7	13	81
2022/1/19	35	12	7	19	69	23	0.8	13	79
2022/1/18	25	6	6	11	40	20	1	14	84
2022/1/17	35	18	7	32	25	28	1	15	85
2022/1/16	95	71	11	122	29	69	1.1	16	85
2022/1/15	100	75	9	125	36	59	1	14	83
2022/1/14	69	50	9	69	63	43	0.7	13	67
2022/1/13	50	35	9	49	62	29	0.7	14	69
2022/1/12	46	32	8	45	58	36	0.7	11	75
2022/1/11	30	7	6	11	59	18	0.8	12	74
2022/1/10	43	24	9	35	17	34	0.8	14	83
2022/1/9	49	30	10	45	47	39	0.8	15	81
2022/1/8	50	29	9	43	99	33	0.8	16	69
2022/1/7	50	32	9	47	99	28	0.9	17	70
2022/1/6	69	43	9	61	122	36	0.8	18	79
2022/1/5	65	45	13	63	118	43	0.7	19	78
2022/1/4	154	86	13	118	219	56	1	17	84
2022/1/3	108	56	15	80	168	43	0.9	17	81
2022/1/2	48	33	8	46	89	25	0.8	17	72
2022/1/1	53	35	14	55	89	34	0.8	16	75
更多数据与问题请联系微信客服：xbcms6

查看更多

肇庆历史空气质量数据

2022年

肇庆数据订制服务

时间段订制
表头字段订制
数据整理订制
程序应用订制

公众号客服 man-yi-666
微信客服 xbcms6

保存数据查询入口

微信公众号快捷复制