Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
30
O3
0.5
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
36
Excellent
Fri
23 Oct
37
Excellent
Sat
24 Oct
40
Excellent
Sun
25 Oct
37
Excellent
Mon
26 Oct
38
Excellent
Tue
27 Oct
18
Excellent
Wed
28 Oct
45
Excellent
Air quality in the last 12 months (Changshun)
|
2026/08
|
17
|
20
|
21
|
25
|
27
|
22
|
25
|
26
|
32
|
33
|
36
|
31
|
33
|
26
|
24
|
28
|
28
|
27
|
29
|
27
|
30
|
35
|
32
|
29
|
24
|
21
|
26
|
25
|
27
|
24
|
31
|
|
2026/07
|
21
|
18
|
20
|
18
|
17
|
23
|
20
|
21
|
21
|
21
|
19
|
29
|
30
|
28
|
30
|
25
|
21
|
23
|
35
|
36
|
40
|
33
|
34
|
24
|
22
|
25
|
28
|
22
|
22
|
20
|
18
|
|
2026/06
|
33
|
41
|
34
|
34
|
42
|
28
|
25
|
24
|
24
|
29
|
31
|
29
|
30
|
34
|
32
|
33
|
26
|
18
|
27
|
29
|
16
|
25
|
22
|
17
|
25
|
22
|
30
|
34
|
27
|
18
|
|
|
2026/05
|
31
|
30
|
24
|
34
|
40
|
40
|
40
|
45
|
50
|
55
|
57
|
36
|
32
|
46
|
28
|
26
|
20
|
22
|
28
|
31
|
20
|
22
|
30
|
31
|
30
|
35
|
42
|
26
|
24
|
40
|
37
|
|
2026/04
|
23
|
39
|
33
|
32
|
42
|
56
|
44
|
60
|
39
|
39
|
49
|
47
|
55
|
46
|
57
|
40
|
29
|
31
|
40
|
30
|
34
|
25
|
30
|
35
|
45
|
42
|
33
|
23
|
30
|
36
|
|
|
2026/03
|
49
|
36
|
26
|
30
|
39
|
47
|
30
|
17
|
14
|
24
|
38
|
42
|
34
|
54
|
24
|
21
|
35
|
23
|
27
|
21
|
37
|
28
|
29
|
30
|
38
|
38
|
39
|
30
|
31
|
38
|
27
|
|
2026/02
|
33
|
36
|
31
|
37
|
45
|
50
|
34
|
34
|
18
|
24
|
32
|
26
|
50
|
50
|
35
|
73
|
60
|
47
|
27
|
44
|
36
|
39
|
36
|
62
|
32
|
40
|
23
|
37
|
|||
|
2026/01
|
30
|
27
|
17
|
23
|
33
|
43
|
59
|
56
|
75
|
78
|
77
|
60
|
80
|
77
|
93
|
84
|
104
|
52
|
44
|
33
|
24
|
33
|
53
|
53
|
35
|
34
|
57
|
41
|
40
|
31
|
26
|
|
2025/12
|
77
|
77
|
74
|
58
|
57
|
53
|
40
|
52
|
45
|
43
|
54
|
52
|
41
|
47
|
48
|
61
|
54
|
55
|
33
|
40
|
50
|
33
|
32
|
28
|
46
|
55
|
76
|
66
|
43
|
44
|
40
|
|
2025/11
|
27
|
25
|
14
|
20
|
17
|
15
|
26
|
17
|
13
|
19
|
28
|
30
|
38
|
44
|
44
|
33
|
45
|
22
|
27
|
35
|
45
|
48
|
62
|
51
|
52
|
58
|
63
|
49
|
36
|
61
|
|
|
2025/10
|
15
|
18
|
24
|
26
|
28
|
27
|
16
|
19
|
21
|
23
|
31
|
32
|
43
|
31
|
13
|
14
|
22
|
22
|
21
|
26
|
21
|
27
|
36
|
53
|
36
|
32
|
28
|
41
|
40
|
26
|
32
|
|
2025/09
|
18
|
22
|
22
|
22
|
27
|
32
|
35
|
31
|
27
|
21
|
20
|
19
|
18
|
19
|
20
|
19
|
18
|
18
|
24
|
31
|
26
|
28
|
21
|
18
|
14
|
16
|
18
|
20
|
19
|
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