Daily report · most polluted

China air quality on 17 October 2026

Artux Xinjiang500 Severely PollutedChina AQI

Artux had the most polluted air of 341 Chinese cities

Updated 3:00 pm CST · CNEMC

At 3:00 pm CST on 17 October 2026, 341 Chinese cities were reporting. Artux had the most polluted air at China AQI 500 (Severely Polluted), followed by Kashgar (500) and Aksu (147). The median across all cities was 33, down from 46 the day before. 2 cities were at Moderately Polluted or worse (4 the day before). Ankang had the cleanest air at 14.

The biggest deterioration was in Kashgar, from 28 to 500. Puyang improved most, from 139 to 14.

Excellent 303
Good 32
Lightly Polluted 4
Severely Polluted 2

10 most polluted cities

#	City	Province	China AQI	Change
1	Artux	Xinjiang	500Severe	▲ 468
2	Kashgar	Xinjiang	500Severe	▲ 472
3	Aksu	Xinjiang	147Light	▲ 109
4	Siping	Jilin	125Light	▲ 33
5	Bayingolin	Xinjiang	111Light	▲ 41
6	Suihua	Heilongjiang	103Light	▲ 69
7	Bole	Xinjiang	100Good	▲ 77
8	Hotan	Xinjiang	92Good	▲ 54
9	Chaoyang	Liaoning	83Good	▲ 28
10	Turpan	Xinjiang	83Good	▼ 86

10 cleanest cities

#	City	Province	China AQI	Change
1	Ankang	Shaanxi	14Excellent	▼ 12
2	Shangqiu	Henan	14Excellent	▼ 117
3	Puyang	Henan	14Excellent	▼ 125
4	Xinxiang	Henan	15Excellent	▼ 81
5	Jincheng	Shanxi	15Excellent	▼ 91
6	Dingzhou	Hebei	15Excellent	▼ 96
7	Altay	Xinjiang	16Excellent	▲ 5
8	Suining	Sichuan	17Excellent	▼ 45
9	Jiyuan	Henan	17Excellent	▼ 98
10	Heze	Shandong	18Excellent	▼ 112

Biggest rises

Biggest improvements

All 341 cities on 17 October 2026

#	City	Province	China AQI	Change
1	Artux	Xinjiang	500Severe	▲ 468
2	Kashgar	Xinjiang	500Severe	▲ 472
3	Aksu	Xinjiang	147Light	▲ 109
4	Siping	Jilin	125Light	▲ 33
5	Bayingolin	Xinjiang	111Light	▲ 41
6	Suihua	Heilongjiang	103Light	▲ 69
7	Bole	Xinjiang	100Good	▲ 77
8	Hotan	Xinjiang	92Good	▲ 54
9	Chaoyang	Liaoning	83Good	▲ 28
10	Turpan	Xinjiang	83Good	▼ 86
11	Shihezi	Xinjiang	81Good	▲ 15
12	Zhoukou	Henan	68Good	▼ 84
13	Zigong	Sichuan	68Good	▼ 34
14	Yining	Xinjiang	65Good	▲ 2
15	Xiaogan	Hubei	64Good	▼ 28
16	Huanggang	Hubei	64Good	▼ 38
17	Bengbu	Anhui	62Good	▼ 26
18	Yibin	Sichuan	62Good	▼ 18
19	Jingzhou	Hubei	61Good	▼ 19
20	Changji	Xinjiang	61Good	▲ 18
21	Chifeng	Inner Mongolia	59Good	▲ 15
22	Ürümqi	Xinjiang	59Good	▼ 13
23	Baicheng	Jilin	58Good	▲ 36
24	Hefei	Anhui	58Good	▼ 24
25	Jingmen	Hubei	58Good	▼ 22
26	Huludao	Liaoning	56Good	▲ 23
27	Qitaihe	Heilongjiang	56Good	▼ 20
28	Fuyang	Anhui	56Good	▼ 73
29	Xiangyang	Hubei	56Good	▼ 34
30	Chengdu	Sichuan	56Good	▲ 11
31	Wuhu	Anhui	55Good	▲ 19
32	Huainan	Anhui	54Good	▼ 26
33	Yantai	Shandong	54Good	▼ 5
34	Wuhan	Hubei	54Good	▼ 54
35	Changsha	Hunan	54Good	▲ 25
36	Huzhou	Zhejiang	52Good	▲ 8
37	Ma'anshan	Anhui	51Good	▲ 11
38	Zhaoqing	Guangdong	51Good	▲ 10
39	Quzhou	Zhejiang	50Excellent	▼ 52
40	Yichun	Jiangxi	50Excellent	▼ 20
41	Luzhou	Sichuan	50Excellent	▼ 26
42	Wujiaqu	Xinjiang	50Excellent	▼ 24
43	Qinhuangdao	Hebei	49Excellent	▲ 12
44	Dalian	Liaoning	49Excellent	▼ 73
45	Zhangzhou	Fujian	49Excellent	▼ 9
46	Jiamusi	Heilongjiang	48Excellent	▼ 67
47	Jiaxing	Zhejiang	48Excellent	▲ 23
48	Anqing	Anhui	48Excellent	▼ 79
49	Suzhou	Anhui	48Excellent	▼ 62
50	Longyan	Fujian	48Excellent	▼ 16
51	Suizhou	Hubei	48Excellent	▼ 30
52	Qingyuan	Guangdong	48Excellent	▼ 10
53	Karamay	Xinjiang	48Excellent	▲ 30
54	Xinyu	Jiangxi	47Excellent	▼ 11
55	Guangzhou	Guangdong	47Excellent	▼ 2
56	Foshan	Guangdong	47Excellent	▲ 11
57	Hengshui	Hebei	46Excellent	▼ 104
58	Fuxin	Liaoning	46Excellent	▲ 6
59	Songyuan	Jilin	46Excellent	▼ 6
60	Changzhou	Jiangsu	46Excellent	▲ 6
61	Huai'an	Jiangsu	46Excellent	▲ 8
62	Yangzhou	Jiangsu	46Excellent	▲ 4
63	Bozhou	Anhui	46Excellent	▼ 114
64	Xinyang	Henan	46Excellent	▲ 1
65	Ezhou	Hubei	46Excellent	▼ 56
66	Wuxi	Jiangsu	45Excellent	▲ 13
67	Taizhou	Jiangsu	45Excellent	▲ 23
68	Hangzhou	Zhejiang	45Excellent	▼ 41
69	Huaibei	Anhui	45Excellent	▼ 49
70	Chizhou	Anhui	45Excellent	▼ 47
71	Pingdingshan	Henan	45Excellent	▼ 81
72	Luohe	Henan	45Excellent	▼ 120
73	Zhumadian	Henan	45Excellent	▼ 87
74	Xiangtan	Hunan	45Excellent	▲ 18
75	Tongling	Anhui	44Excellent	▼ 72
76	Chuzhou	Anhui	44Excellent	▼ 9
77	Weihai	Shandong	44Excellent	▲ 14
78	Huangshi	Hubei	44Excellent	▼ 57
79	Zhuzhou	Hunan	44Excellent	▲ 11
80	Jiayuguan	Gansu	44Excellent	▼ 9
81	Changchun	Jilin	43Excellent	▼ 6
82	Suzhou	Jiangsu	43Excellent	▲ 17
83	Zhenjiang	Jiangsu	43Excellent	▲ 14
84	Wenzhou	Zhejiang	43Excellent	▼ 3
85	Yueyang	Hunan	43Excellent	▲ 25
86	Meishan	Sichuan	43Excellent	▲ 3
87	Panjin	Liaoning	42Excellent	▲ 19
88	Nanjing	Jiangsu	42Excellent	▲ 6
89	Jinzhou	Liaoning	41Excellent	▲ 14
90	Shanghai	Shanghai	41Excellent	▲ 15
91	Ningde	Fujian	41Excellent	▲ 13
92	Nanchang	Jiangxi	41Excellent	▲ 22
93	Shangrao	Jiangxi	41Excellent	▼ 19
94	Tianjin	Tianjin	40Excellent	▲ 9
95	Shuangyashan	Heilongjiang	40Excellent	▼ 50
96	Suqian	Jiangsu	40Excellent	▼ 38
97	Jingdezhen	Jiangxi	40Excellent	▲ 22
98	Neijiang	Sichuan	40Excellent	▼ 38
99	Leshan	Sichuan	40Excellent	▲ 10
100	Cangzhou	Hebei	39Excellent	▼ 110
101	Shuozhou	Shanxi	39Excellent	▼ 100
102	Shenyang	Liaoning	39Excellent	▼ 20
103	Qiqihar	Heilongjiang	39Excellent	▲ 11
104	Yancheng	Jiangsu	39Excellent	▲ 17
105	Jinhua	Zhejiang	39Excellent	▼ 21
106	Xiamen	Fujian	39Excellent	▼ 5
107	Jiujiang	Jiangxi	39Excellent	▼ 66
108	Xuchang	Henan	39Excellent	▼ 91
109	Dongguan	Guangdong	39Excellent	▼ 13
110	Ya'an	Sichuan	39Excellent	▲ 22
111	Ziyang	Sichuan	39Excellent	▼ 31
112	Bayan Nur	Inner Mongolia	38Excellent	▼ 8
113	Ulanhot	Inner Mongolia	38Excellent	0
114	Harbin	Heilongjiang	38Excellent	▼ 2
115	Daqing	Heilongjiang	38Excellent	▲ 8
116	Xuzhou	Jiangsu	38Excellent	▼ 67
117	Nantong	Jiangsu	38Excellent	▲ 22
118	Shaoxing	Zhejiang	38Excellent	▼ 4
119	Hengyang	Hunan	38Excellent	▼ 42
120	Yiyang	Hunan	38Excellent	▲ 16
121	Yunfu	Guangdong	38Excellent	▼ 5
122	Qujing	Yunnan	38Excellent	▲ 20
123	Shigatse	Tibet	38Excellent	▲ 10
124	Jiuquan	Gansu	38Excellent	▲ 15
125	Hulunbuir	Inner Mongolia	37Excellent	▲ 14
126	Xuancheng	Anhui	37Excellent	▼ 49
127	Meizhou	Guangdong	37Excellent	▼ 15
128	Jieyang	Guangdong	37Excellent	▲ 1
129	Chongqing	Chongqing	37Excellent	▼ 1
130	Xingtai	Hebei	36Excellent	▼ 70
131	Chengde	Hebei	36Excellent	0
132	Baishan	Jilin	36Excellent	▲ 7
133	Huangshan	Anhui	36Excellent	▼ 42
134	Pingxiang	Jiangxi	36Excellent	▼ 52
135	Fuzhou	Jiangxi	36Excellent	▼ 44
136	Wuzhou	Guangxi	36Excellent	▲ 2
137	Laibin	Guangxi	36Excellent	▼ 8
138	Tongliao	Inner Mongolia	35Excellent	▼ 36
139	Tieling	Liaoning	35Excellent	▼ 13
140	Ningbo	Zhejiang	35Excellent	▲ 9
141	Sanming	Fujian	35Excellent	▼ 15
142	Quanzhou	Fujian	35Excellent	▼ 11
143	Loudi	Hunan	35Excellent	▼ 5
144	Shaoguan	Guangdong	35Excellent	▼ 49
145	Zhuhai	Guangdong	35Excellent	▼ 8
146	Shantou	Guangdong	35Excellent	▼ 3
147	Shanwei	Guangdong	35Excellent	▼ 7
148	Liuzhou	Guangxi	35Excellent	▼ 10
149	Bijie	Guizhou	35Excellent	▼ 76
150	Shiquanhe	Tibet	35Excellent	▼ 2
151	Lanzhou	Gansu	35Excellent	▼ 5
152	Yichun	Heilongjiang	34Excellent	▼ 50
153	Taizhou	Zhejiang	34Excellent	▼ 16
154	Ganzhou	Jiangxi	34Excellent	▼ 19
155	Shaoyang	Hunan	34Excellent	▼ 80
156	Yongzhou	Hunan	34Excellent	▼ 101
157	Zhongshan	Guangdong	34Excellent	▲ 5
158	Guiyang	Guizhou	34Excellent	▼ 13
159	Liupanshui	Guizhou	34Excellent	▲ 13
160	Shangri-La	Yunnan	34Excellent	▲ 16
161	Lhasa	Tibet	34Excellent	▲ 19
162	Fushun	Liaoning	33Excellent	▼ 13
163	Zhoushan	Zhejiang	33Excellent	▲ 12
164	Ji'an	Jiangxi	33Excellent	▼ 86
165	Qingdao	Shandong	33Excellent	▲ 6
166	Anyang	Henan	33Excellent	▼ 105
167	Zhaotong	Yunnan	33Excellent	▼ 1
168	Jinghong	Yunnan	33Excellent	▲ 5
169	Shannan	Tibet	33Excellent	▲ 10
170	Nagqu	Tibet	33Excellent	▼ 76
171	Yulin	Shaanxi	33Excellent	▼ 46
172	Huangnan	Qinghai	33Excellent	▼ 7
173	Yushu	Qinghai	33Excellent	▲ 16
174	Liaoyang	Liaoning	32Excellent	▼ 46
175	Jixi	Heilongjiang	32Excellent	▲ 4
176	Binzhou	Shandong	32Excellent	▼ 88
177	Jiaozuo	Henan	32Excellent	▼ 75
178	Huaihua	Hunan	32Excellent	▲ 14
179	Jiangmen	Guangdong	32Excellent	▼ 1
180	Guilin	Guangxi	32Excellent	▼ 17
181	Qinzhou	Guangxi	32Excellent	▼ 9
182	Guigang	Guangxi	32Excellent	▼ 21
183	Barkam	Sichuan	32Excellent	▲ 17
184	Baoshan	Yunnan	32Excellent	▲ 23
185	Qamdo	Tibet	32Excellent	▲ 17
186	Qabqa	Qinghai	32Excellent	▲ 9
187	Golog	Qinghai	32Excellent	▼ 4
188	Dandong	Liaoning	31Excellent	▼ 1
189	Yingkou	Liaoning	31Excellent	▼ 5
190	Hegang	Heilongjiang	31Excellent	▼ 11
191	Lu'an	Anhui	31Excellent	▼ 89
192	Yingtan	Jiangxi	31Excellent	▼ 41
193	Xianning	Hubei	31Excellent	▼ 29
194	Shenzhen	Guangdong	31Excellent	▼ 11
195	Huizhou	Guangdong	31Excellent	▼ 22
196	Beihai	Guangxi	31Excellent	▲ 5
197	Hezhou	Guangxi	31Excellent	▼ 19
198	Panzhihua	Sichuan	31Excellent	▼ 16
199	Zunyi	Guizhou	31Excellent	▼ 4
200	Anshun	Guizhou	31Excellent	▼ 14
201	Haibei	Qinghai	31Excellent	▼ 17
202	Tangshan	Hebei	30Excellent	▼ 29
203	Lianyungang	Jiangsu	30Excellent	▲ 4
204	Rizhao	Shandong	30Excellent	▼ 44
205	Changde	Hunan	30Excellent	▼ 18
206	Chaozhou	Guangdong	30Excellent	▼ 12
207	Fangchenggang	Guangxi	30Excellent	0
208	Liangshan	Sichuan	30Excellent	▲ 7
209	Duyun	Guizhou	30Excellent	▼ 8
210	Kunming	Yunnan	30Excellent	▲ 10
211	Lijiang	Yunnan	30Excellent	▲ 10
212	Wenshan	Yunnan	30Excellent	▼ 30
213	Datong	Shanxi	29Excellent	▼ 66
214	Lishui	Zhejiang	29Excellent	▼ 3
215	Dongying	Shandong	29Excellent	▼ 79
216	Yichang	Hubei	29Excellent	▼ 77
217	Yulin	Guangxi	29Excellent	▼ 11
218	Baise	Guangxi	29Excellent	▼ 34
219	Qiandongnan	Guizhou	29Excellent	▼ 11
220	Pingliang	Gansu	29Excellent	▼ 11
221	Hezuo	Gansu	29Excellent	▼ 16
222	Ulanqab	Inner Mongolia	28Excellent	▼ 31
223	Putian	Fujian	28Excellent	▲ 7
224	Linyi	Shandong	28Excellent	▼ 44
225	Liaocheng	Shandong	28Excellent	▼ 73
226	Chenzhou	Hunan	28Excellent	▼ 26
227	Xiangxi	Hunan	28Excellent	▲ 16
228	Heyuan	Guangdong	28Excellent	▼ 19
229	Guang'an	Sichuan	28Excellent	▼ 24
230	Tongren	Guizhou	28Excellent	▲ 5
231	Qianxinan	Guizhou	28Excellent	▼ 16
232	Dali	Yunnan	28Excellent	▲ 18
233	Dehong	Yunnan	28Excellent	▲ 3
234	Guyuan	Ningxia	28Excellent	▼ 2
235	Handan	Hebei	27Excellent	▼ 83
236	Xilin Gol	Inner Mongolia	27Excellent	▲ 9
237	Alxa	Inner Mongolia	27Excellent	▼ 3
238	Yanbian	Jilin	27Excellent	▼ 1
239	Fuzhou	Fujian	27Excellent	▼ 7
240	Nanping	Fujian	27Excellent	▼ 9
241	Jinan	Shandong	27Excellent	▼ 36
242	Jining	Shandong	27Excellent	▼ 51
243	Zhengzhou	Henan	27Excellent	▼ 73
244	Nanning	Guangxi	27Excellent	▼ 9
245	Dazhou	Sichuan	27Excellent	▼ 9
246	Lincang	Yunnan	27Excellent	▲ 11
247	Nujiang	Yunnan	27Excellent	▲ 19
248	Nyingchi	Tibet	27Excellent	0
249	Baiyin	Gansu	27Excellent	▲ 8
250	Dingxi	Gansu	27Excellent	▼ 38
251	Longnan	Gansu	27Excellent	▼ 6
252	Delingha	Qinghai	27Excellent	▲ 3
253	Yinchuan	Ningxia	27Excellent	▼ 19
254	Shizuishan	Ningxia	27Excellent	▼ 43
255	Zhongwei	Ningxia	27Excellent	▼ 5
256	Tacheng	Xinjiang	27Excellent	▲ 10
257	Shijiazhuang	Hebei	26Excellent	▼ 75
258	Anshan	Liaoning	26Excellent	▼ 27
259	Benxi	Liaoning	26Excellent	▼ 13
260	Liaoyuan	Jilin	26Excellent	▼ 46
261	Daxing'anling	Heilongjiang	26Excellent	▲ 9
262	Zibo	Shandong	26Excellent	▼ 86
263	Maoming	Guangdong	26Excellent	▼ 22
264	Chongzuo	Guangxi	26Excellent	▼ 10
265	Deyang	Sichuan	26Excellent	▼ 20
266	Guangyuan	Sichuan	26Excellent	▲ 5
267	Chuxiong	Yunnan	26Excellent	▲ 14
268	Baoji	Shaanxi	26Excellent	▼ 22
269	Linxia	Gansu	26Excellent	▼ 24
270	Wuzhong	Ningxia	26Excellent	▼ 8
271	Wuhai	Inner Mongolia	25Excellent	▼ 15
272	Ordos	Inner Mongolia	25Excellent	▲ 8
273	Jilin	Jilin	25Excellent	▼ 21
274	Weifang	Shandong	25Excellent	▼ 59
275	Kaifeng	Henan	25Excellent	▼ 115
276	Shiyan	Hubei	25Excellent	▼ 31
277	Enshi	Hubei	25Excellent	▼ 11
278	Zhangjiajie	Hunan	25Excellent	▼ 24
279	Kangding	Sichuan	25Excellent	▲ 10
280	Yuxi	Yunnan	25Excellent	▲ 9
281	Tongchuan	Shaanxi	25Excellent	▼ 45
282	Shangluo	Shaanxi	25Excellent	▼ 65
283	Xining	Qinghai	25Excellent	▼ 58
284	Jinzhong	Shanxi	24Excellent	▼ 80
285	Tonghua	Jilin	24Excellent	▼ 8
286	Mudanjiang	Heilongjiang	24Excellent	▼ 22
287	Tai'an	Shandong	24Excellent	▼ 87
288	Dezhou	Shandong	24Excellent	▼ 119
289	Sanya	Hainan	24Excellent	▲ 4
290	Hanzhong	Shaanxi	24Excellent	▲ 1
291	Qingyang	Gansu	24Excellent	▼ 13
292	Baotou	Inner Mongolia	23Excellent	▲ 1
293	Heihe	Heilongjiang	23Excellent	▼ 9
294	Hechi	Guangxi	23Excellent	▼ 3
295	Xianyang	Shaanxi	23Excellent	▼ 96
296	Jinchang	Gansu	23Excellent	▼ 42
297	Zhangye	Gansu	23Excellent	▼ 37
298	Haidong	Qinghai	23Excellent	▼ 29
299	Xinji	Hebei	22Excellent	▼ 115
300	Langfang	Hebei	22Excellent	▼ 36
301	Xinzhou	Shanxi	22Excellent	▼ 51
302	Lüliang	Shanxi	22Excellent	▼ 61
303	Nanyang	Henan	22Excellent	▼ 92
304	Haikou	Hainan	22Excellent	▲ 1
305	Mianyang	Sichuan	22Excellent	▼ 30
306	Yan'an	Shaanxi	22Excellent	▼ 42
307	Tianshui	Gansu	22Excellent	▼ 15
308	Wuwei	Gansu	22Excellent	▼ 26
309	Zhangjiakou	Hebei	21Excellent	▼ 12
310	Taiyuan	Shanxi	21Excellent	▼ 77
311	Yangquan	Shanxi	21Excellent	▼ 79
312	Hohhot	Inner Mongolia	21Excellent	▼ 21
313	Zaozhuang	Shandong	21Excellent	▼ 69
314	Yangjiang	Guangdong	21Excellent	▼ 22
315	Xi'an	Shaanxi	21Excellent	▼ 95
316	Baoding	Hebei	20Excellent	▼ 88
317	Linfen	Shanxi	20Excellent	▼ 42
318	Luoyang	Henan	20Excellent	▼ 97
319	Sanmenxia	Henan	20Excellent	▼ 100
320	Danzhou	Hainan	20Excellent	▼ 8
321	Nanchong	Sichuan	20Excellent	▼ 29
322	Pu'er	Yunnan	20Excellent	▼ 14
323	Honghe	Yunnan	20Excellent	▼ 5
324	Hebi	Henan	19Excellent	▼ 95
325	Zhanjiang	Guangdong	19Excellent	▼ 5
326	Bazhong	Sichuan	19Excellent	▼ 18
327	Weinan	Shaanxi	19Excellent	▼ 82
328	Hami	Xinjiang	19Excellent	▼ 2
329	Beijing	Beijing	18Excellent	▼ 4
330	Changzhi	Shanxi	18Excellent	▼ 42
331	Yuncheng	Shanxi	18Excellent	▼ 54
332	Heze	Shandong	18Excellent	▼ 112
333	Jiyuan	Henan	17Excellent	▼ 98
334	Suining	Sichuan	17Excellent	▼ 45
335	Altay	Xinjiang	16Excellent	▲ 5
336	Dingzhou	Hebei	15Excellent	▼ 96
337	Jincheng	Shanxi	15Excellent	▼ 91
338	Xinxiang	Henan	15Excellent	▼ 81
339	Puyang	Henan	14Excellent	▼ 125
340	Shangqiu	Henan	14Excellent	▼ 117
341	Ankang	Shaanxi	14Excellent	▼ 12

Snapshot taken at 3:00 pm CST from China National Environmental Monitoring Centre (CNEMC). Values are the latest hourly readings at that time, not daily averages. Cities with no reading are left out.

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