Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
47
O3
0.6
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jul
28
Excellent
Wed
2 Jul
27
Excellent
Thu
3 Jul
27
Excellent
Fri
4 Jul
30
Excellent
Sat
5 Jul
30
Excellent
Sun
6 Jul
35
Excellent
Mon
7 Jul
47
Excellent
Air quality in the last 12 months (Changshun)
|
2025/05
|
49
|
56
|
41
|
27
|
32
|
33
|
20
|
37
|
32
|
21
|
39
|
33
|
32
|
38
|
46
|
49
|
34
|
44
|
58
|
24
|
30
|
30
|
35
|
58
|
36
|
22
|
14
|
16
|
23
|
19
|
21
|
|
2025/04
|
37
|
47
|
59
|
66
|
56
|
64
|
62
|
45
|
63
|
58
|
58
|
138
|
255
|
105
|
77
|
67
|
66
|
57
|
39
|
39
|
40
|
29
|
47
|
29
|
45
|
36
|
27
|
33
|
37
|
23
|
|
|
2025/03
|
41
|
35
|
64
|
46
|
32
|
33
|
37
|
38
|
29
|
26
|
36
|
45
|
33
|
26
|
23
|
29
|
39
|
25
|
35
|
43
|
52
|
64
|
63
|
62
|
58
|
57
|
63
|
77
|
22
|
24
|
42
|
|
2025/02
|
28
|
18
|
31
|
37
|
46
|
21
|
25
|
46
|
58
|
35
|
39
|
40
|
31
|
21
|
33
|
45
|
38
|
41
|
18
|
19
|
16
|
16
|
21
|
18
|
25
|
36
|
28
|
38
|
|||
|
2025/01
|
51
|
76
|
66
|
73
|
60
|
60
|
66
|
36
|
26
|
39
|
58
|
62
|
42
|
77
|
70
|
82
|
70
|
75
|
69
|
82
|
77
|
81
|
64
|
56
|
25
|
26
|
49
|
48
|
60
|
49
|
42
|
|
2024/12
|
54
|
64
|
57
|
52
|
25
|
19
|
23
|
41
|
19
|
17
|
23
|
35
|
41
|
59
|
57
|
60
|
54
|
52
|
61
|
70
|
93
|
85
|
64
|
66
|
60
|
42
|
45
|
67
|
58
|
43
|
47
|
|
2024/11
|
45
|
31
|
47
|
57
|
45
|
58
|
55
|
53
|
50
|
46
|
34
|
38
|
43
|
48
|
44
|
46
|
52
|
32
|
23
|
21
|
22
|
28
|
32
|
38
|
23
|
20
|
28
|
32
|
28
|
30
|
|
|
2024/10
|
7
|
15
|
36
|
41
|
44
|
56
|
35
|
35
|
30
|
54
|
51
|
45
|
28
|
24
|
32
|
30
|
16
|
24
|
28
|
19
|
25
|
19
|
34
|
34
|
30
|
30
|
49
|
36
|
31
|
28
|
40
|
|
2024/09
|
22
|
18
|
14
|
15
|
32
|
38
|
30
|
15
|
15
|
20
|
22
|
27
|
24
|
32
|
28
|
32
|
21
|
29
|
41
|
46
|
37
|
29
|
38
|
46
|
48
|
41
|
44
|
39
|
26
|
14
|
|
|
2024/08
|
9
|
9
|
12
|
13
|
15
|
17
|
18
|
20
|
19
|
23
|
34
|
54
|
47
|
38
|
36
|
32
|
31
|
28
|
33
|
27
|
21
|
17
|
12
|
15
|
14
|
17
|
19
|
19
|
27
|
25
|
21
|
|
2024/07
|
18
|
21
|
12
|
12
|
15
|
14
|
19
|
16
|
17
|
16
|
14
|
16
|
16
|
14
|
13
|
15
|
13
|
14
|
9
|
10
|
13
|
16
|
16
|
12
|
25
|
30
|
31
|
20
|
13
|
12
|
13
|
|
2024/06
|
29
|
27
|
9
|
13
|
19
|
22
|
16
|
12
|
8
|
13
|
20
|
20
|
23
|
23
|
33
|
22
|
13
|
20
|
17
|
23
|
24
|
12
|
17
|
19
|
15
|
11
|
11
|
12
|
12
|
18
|
|
|
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