Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
23
O3
0.6
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
34
Excellent
Mon
22 Jun
36
Excellent
Tue
23 Jun
36
Excellent
Wed
24 Jun
38
Excellent
Thu
25 Jun
37
Excellent
Fri
26 Jun
40
Excellent
Sat
27 Jun
49
Excellent
Air quality in the last 12 months (Changshun)
|
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
|
|
|
2025/08
|
28
|
29
|
28
|
30
|
36
|
24
|
18
|
21
|
21
|
24
|
24
|
26
|
31
|
32
|
19
|
15
|
19
|
21
|
14
|
14
|
17
|
15
|
20
|
20
|
19
|
19
|
18
|
18
|
21
|
27
|
30
|
|
2025/07
|
14
|
15
|
14
|
14
|
17
|
22
|
25
|
25
|
26
|
26
|
25
|
26
|
26
|
20
|
21
|
23
|
21
|
24
|
29
|
28
|
16
|
17
|
12
|
15
|
17
|
20
|
27
|
33
|
29
|
31
|
26
|
|
2025/06
|
30
|
15
|
26
|
30
|
26
|
35
|
40
|
40
|
39
|
32
|
36
|
37
|
25
|
22
|
25
|
25
|
24
|
18
|
16
|
25
|
32
|
20
|
31
|
16
|
19
|
16
|
20
|
15
|
15
|
14
|
|
|
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