Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
24
O3
0.7
CO
11
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Feb
39
Excellent
Sat
15 Feb
45
Excellent
Sun
16 Feb
47
Excellent
Mon
17 Feb
33
Excellent
Tue
18 Feb
36
Excellent
Wed
19 Feb
44
Excellent
Thu
20 Feb
26
Excellent
Air quality in the last 12 months (Changshun)
|
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
|
|
|
2024/05
|
22
|
13
|
14
|
17
|
31
|
28
|
25
|
25
|
17
|
11
|
18
|
14
|
24
|
34
|
30
|
30
|
22
|
13
|
20
|
25
|
17
|
20
|
24
|
27
|
28
|
16
|
25
|
22
|
14
|
13
|
26
|
|
2024/04
|
40
|
41
|
49
|
27
|
24
|
23
|
22
|
21
|
33
|
38
|
45
|
52
|
50
|
54
|
61
|
69
|
41
|
26
|
24
|
27
|
20
|
42
|
23
|
31
|
32
|
33
|
39
|
53
|
59
|
24
|
|
|
2024/03
|
36
|
54
|
36
|
35
|
39
|
28
|
58
|
57
|
43
|
34
|
36
|
39
|
38
|
38
|
20
|
34
|
50
|
31
|
31
|
59
|
54
|
47
|
34
|
42
|
36
|
44
|
47
|
26
|
34
|
46
|
51
|
|
2024/02
|
48
|
37
|
28
|
26
|
22
|
19
|
26
|
29
|
52
|
138
|
69
|
31
|
40
|
42
|
61
|
41
|
45
|
37
|
40
|
51
|
54
|
31
|
18
|
20
|
19
|
23
|
31
|
25
|
31
|
||
|
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