Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
58
O3
0.4
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
39
Excellent
Sat
24 Oct
38
Excellent
Sun
25 Oct
39
Excellent
Mon
26 Oct
37
Excellent
Tue
27 Oct
40
Excellent
Wed
28 Oct
38
Excellent
Thu
29 Oct
30
Excellent
Changning Air quality rank
1
Altay Prefecture, Xinjiang
2
Tacheng City, Xinjiang Uygur Autonomous Region
3
Tacheng Prefecture, Xinjiang
4
Baiyang, Xinjiang
5
Meitan, Guizhou
6
Yuqing, Guizhou
7
Shiqian, Guizhou
8
Yucheng, Sichuan
9
Altay City, Xinjiang Uygur Autonomous Region
172
Changning, Yunnan
Air quality in the last 12 months (Changning)
|
2026/08
|
16
|
15
|
13
|
16
|
21
|
22
|
22
|
17
|
15
|
18
|
23
|
24
|
21
|
20
|
20
|
16
|
14
|
14
|
17
|
20
|
22
|
23
|
17
|
19
|
19
|
22
|
18
|
20
|
19
|
20
|
20
|
|
2026/07
|
20
|
18
|
14
|
15
|
15
|
16
|
13
|
13
|
13
|
13
|
14
|
19
|
21
|
20
|
16
|
15
|
15
|
13
|
18
|
22
|
22
|
22
|
19
|
23
|
24
|
19
|
17
|
19
|
17
|
14
|
15
|
|
2026/06
|
19
|
18
|
17
|
23
|
30
|
32
|
31
|
26
|
23
|
19
|
18
|
17
|
17
|
18
|
17
|
17
|
16
|
16
|
15
|
17
|
20
|
17
|
18
|
18
|
18
|
19
|
19
|
17
|
16
|
17
|
|
|
2026/05
|
31
|
26
|
24
|
24
|
33
|
37
|
31
|
28
|
35
|
31
|
19
|
24
|
25
|
29
|
28
|
30
|
38
|
42
|
41
|
41
|
39
|
37
|
29
|
31
|
42
|
43
|
43
|
54
|
50
|
26
|
20
|
|
2026/04
|
45
|
45
|
50
|
46
|
49
|
41
|
46
|
56
|
31
|
31
|
38
|
40
|
61
|
68
|
79
|
63
|
51
|
59
|
60
|
53
|
58
|
59
|
56
|
54
|
78
|
54
|
46
|
30
|
32
|
29
|
|
|
2026/03
|
61
|
63
|
54
|
63
|
77
|
93
|
86
|
83
|
64
|
51
|
54
|
73
|
51
|
35
|
30
|
40
|
40
|
37
|
45
|
37
|
44
|
40
|
26
|
33
|
37
|
39
|
48
|
67
|
33
|
39
|
44
|
|
2026/02
|
32
|
31
|
32
|
36
|
34
|
32
|
33
|
40
|
40
|
36
|
30
|
29
|
29
|
31
|
50
|
58
|
77
|
51
|
38
|
30
|
30
|
36
|
45
|
44
|
57
|
63
|
48
|
56
|
|||
|
2026/01
|
39
|
34
|
27
|
27
|
30
|
30
|
30
|
33
|
37
|
32
|
37
|
35
|
35
|
40
|
37
|
33
|
32
|
34
|
40
|
40
|
29
|
31
|
33
|
33
|
33
|
32
|
32
|
35
|
36
|
34
|
34
|
|
2025/12
|
34
|
30
|
32
|
29
|
27
|
27
|
27
|
28
|
29
|
29
|
30
|
32
|
32
|
30
|
29
|
27
|
29
|
28
|
28
|
30
|
31
|
31
|
35
|
30
|
31
|
31
|
34
|
33
|
32
|
29
|
31
|
|
2025/11
|
23
|
20
|
13
|
14
|
15
|
15
|
19
|
21
|
21
|
20
|
19
|
18
|
20
|
21
|
26
|
25
|
26
|
24
|
19
|
17
|
18
|
17
|
21
|
24
|
28
|
32
|
31
|
31
|
34
|
35
|
|
|
2025/10
|
19
|
16
|
18
|
18
|
19
|
20
|
19
|
18
|
18
|
20
|
19
|
20
|
21
|
22
|
25
|
26
|
20
|
18
|
19
|
19
|
19
|
20
|
24
|
22
|
21
|
23
|
25
|
25
|
25
|
25
|
24
|
|
2025/09
|
21
|
21
|
20
|
24
|
24
|
23
|
23
|
22
|
21
|
22
|
21
|
21
|
18
|
16
|
17
|
14
|
17
|
18
|
21
|
24
|
22
|
22
|
22
|
17
|
25
|
22
|
18
|
19
|
20
|
15
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution