Air Quality
Excellent
No health implications.
25
PM2.5
32
PM10
43
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
31
Excellent
Wed
17 Dec
30
Excellent
Thu
18 Dec
33
Excellent
Fri
19 Dec
32
Excellent
Sat
20 Dec
32
Excellent
Sun
21 Dec
36
Excellent
Mon
22 Dec
22
Excellent
Changning Air quality rank
Air quality in the last 12 months (Changning)
|
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
|
|
|
2025/08
|
19
|
18
|
15
|
15
|
20
|
23
|
19
|
15
|
15
|
15
|
18
|
18
|
18
|
20
|
23
|
24
|
18
|
19
|
21
|
18
|
15
|
16
|
16
|
17
|
18
|
22
|
17
|
19
|
18
|
23
|
22
|
|
2025/07
|
19
|
18
|
16
|
15
|
13
|
16
|
16
|
14
|
17
|
17
|
19
|
22
|
26
|
24
|
19
|
21
|
22
|
22
|
24
|
21
|
20
|
22
|
23
|
18
|
16
|
16
|
18
|
20
|
24
|
20
|
17
|
|
2025/06
|
17
|
15
|
25
|
45
|
38
|
35
|
29
|
28
|
25
|
19
|
29
|
36
|
41
|
33
|
22
|
21
|
15
|
13
|
14
|
18
|
20
|
15
|
16
|
15
|
15
|
14
|
17
|
18
|
18
|
17
|
|
|
2025/05
|
31
|
27
|
29
|
20
|
26
|
33
|
30
|
36
|
37
|
46
|
39
|
42
|
40
|
39
|
37
|
37
|
34
|
27
|
35
|
31
|
36
|
34
|
40
|
33
|
16
|
18
|
18
|
17
|
15
|
18
|
15
|
|
2025/04
|
101
|
84
|
80
|
85
|
78
|
85
|
77
|
80
|
76
|
72
|
58
|
50
|
26
|
36
|
44
|
31
|
25
|
28
|
30
|
31
|
34
|
35
|
53
|
56
|
65
|
66
|
68
|
64
|
42
|
43
|
|
|
2025/03
|
46
|
56
|
45
|
47
|
53
|
57
|
68
|
69
|
66
|
53
|
60
|
73
|
87
|
65
|
58
|
52
|
58
|
71
|
48
|
45
|
65
|
63
|
59
|
48
|
42
|
40
|
46
|
81
|
110
|
89
|
98
|
|
2025/02
|
62
|
61
|
51
|
49
|
54
|
61
|
55
|
39
|
43
|
41
|
36
|
38
|
46
|
58
|
49
|
56
|
46
|
47
|
57
|
50
|
51
|
48
|
50
|
50
|
45
|
37
|
34
|
44
|
|||
|
2025/01
|
32
|
32
|
32
|
32
|
37
|
36
|
28
|
32
|
28
|
36
|
38
|
39
|
35
|
37
|
44
|
42
|
40
|
37
|
34
|
30
|
32
|
39
|
38
|
32
|
36
|
49
|
30
|
51
|
88
|
40
|
46
|
|
2024/12
|
27
|
24
|
23
|
26
|
24
|
27
|
28
|
32
|
28
|
30
|
43
|
43
|
33
|
31
|
33
|
32
|
32
|
29
|
23
|
23
|
28
|
21
|
23
|
25
|
27
|
36
|
46
|
38
|
26
|
24
|
29
|
|
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