Air Quality
Excellent
No health implications.
5
PM2.5
11
PM10
27
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Aug
38
Excellent
Mon
10 Aug
38
Excellent
Tue
11 Aug
38
Excellent
Wed
12 Aug
37
Excellent
Thu
13 Aug
37
Excellent
Fri
14 Aug
34
Excellent
Sat
15 Aug
23
Excellent
Air quality in the last 12 months (Changning)
|
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
|
|
|
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
|
|
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