Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
54
*
PM10
5
O3
0.5
CO
6
SO2
49
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
59
Good
Wed
17 Dec
73
Good
Thu
18 Dec
82
Good
Fri
19 Dec
72
Good
Sat
20 Dec
65
Good
Sun
21 Dec
48
Excellent
Mon
22 Dec
44
Excellent
Changshan Air quality rank
Air quality in the last 12 months (Changshan)
|
2025/11
|
45
|
54
|
64
|
38
|
37
|
43
|
38
|
47
|
13
|
45
|
40
|
28
|
48
|
51
|
76
|
68
|
54
|
30
|
37
|
41
|
48
|
58
|
60
|
51
|
70
|
86
|
84
|
85
|
65
|
57
|
|
|
2025/10
|
41
|
37
|
38
|
36
|
34
|
34
|
43
|
50
|
42
|
42
|
45
|
50
|
49
|
34
|
40
|
34
|
37
|
31
|
19
|
27
|
29
|
30
|
35
|
38
|
47
|
53
|
39
|
56
|
45
|
39
|
32
|
|
2025/09
|
28
|
27
|
30
|
32
|
33
|
27
|
25
|
24
|
23
|
19
|
20
|
22
|
25
|
21
|
28
|
31
|
28
|
30
|
23
|
25
|
26
|
32
|
31
|
20
|
26
|
26
|
37
|
35
|
41
|
40
|
|
|
2025/08
|
33
|
37
|
29
|
26
|
19
|
14
|
15
|
20
|
24
|
34
|
34
|
28
|
15
|
12
|
13
|
16
|
17
|
20
|
22
|
23
|
21
|
20
|
20
|
28
|
25
|
26
|
23
|
17
|
19
|
25
|
30
|
|
2025/07
|
13
|
19
|
26
|
33
|
26
|
18
|
18
|
19
|
19
|
31
|
30
|
17
|
17
|
23
|
28
|
32
|
30
|
27
|
20
|
15
|
13
|
16
|
20
|
20
|
27
|
15
|
16
|
14
|
22
|
22
|
21
|
|
2025/06
|
36
|
21
|
20
|
39
|
34
|
30
|
35
|
38
|
22
|
22
|
20
|
25
|
20
|
21
|
18
|
24
|
30
|
20
|
21
|
20
|
18
|
21
|
15
|
14
|
27
|
21
|
23
|
19
|
23
|
26
|
|
|
2025/05
|
45
|
47
|
53
|
53
|
33
|
48
|
104
|
52
|
21
|
44
|
41
|
47
|
45
|
45
|
63
|
42
|
26
|
40
|
41
|
20
|
17
|
32
|
12
|
41
|
62
|
64
|
64
|
45
|
22
|
33
|
43
|
|
2025/04
|
39
|
43
|
62
|
68
|
57
|
59
|
59
|
57
|
59
|
45
|
50
|
101
|
156
|
97
|
61
|
50
|
58
|
58
|
50
|
46
|
57
|
16
|
39
|
31
|
26
|
39
|
32
|
35
|
54
|
56
|
|
|
2025/03
|
41
|
43
|
38
|
15
|
33
|
38
|
56
|
55
|
73
|
84
|
84
|
57
|
15
|
29
|
15
|
34
|
36
|
39
|
48
|
37
|
44
|
46
|
52
|
60
|
62
|
69
|
66
|
63
|
38
|
54
|
42
|
|
2025/02
|
17
|
15
|
47
|
48
|
42
|
50
|
61
|
45
|
36
|
47
|
55
|
55
|
98
|
106
|
78
|
45
|
59
|
29
|
42
|
18
|
17
|
24
|
30
|
56
|
85
|
63
|
53
|
40
|
|||
|
2025/01
|
88
|
81
|
85
|
82
|
84
|
81
|
83
|
96
|
79
|
37
|
49
|
57
|
60
|
63
|
85
|
55
|
55
|
63
|
55
|
57
|
81
|
74
|
67
|
62
|
48
|
26
|
38
|
59
|
159
|
61
|
51
|
|
2024/12
|
49
|
54
|
74
|
104
|
62
|
41
|
89
|
81
|
53
|
61
|
25
|
62
|
71
|
78
|
62
|
55
|
67
|
69
|
50
|
52
|
69
|
70
|
65
|
74
|
90
|
111
|
146
|
101
|
70
|
74
|
75
|
|
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