Air Quality
Excellent
No health implications.
27
PM2.5
35
PM10
50
O3
0.5
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
49
Excellent
Fri
26 Apr
66
Good
Sat
27 Apr
65
Good
Sun
28 Apr
68
Good
Mon
29 Apr
69
Good
Tue
30 Apr
58
Good
Air quality in the last 12 months (Changshun)
|
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
|
||
|
2024/01
|
52
|
25
|
27
|
29
|
62
|
65
|
31
|
29
|
51
|
47
|
37
|
41
|
17
|
20
|
24
|
23
|
21
|
21
|
29
|
28
|
25
|
24
|
40
|
43
|
46
|
46
|
43
|
45
|
41
|
20
|
22
|
|
2023/12
|
57
|
32
|
24
|
27
|
46
|
45
|
54
|
43
|
42
|
29
|
48
|
35
|
24
|
31
|
35
|
33
|
41
|
20
|
36
|
40
|
48
|
57
|
70
|
70
|
78
|
51
|
60
|
59
|
73
|
71
|
58
|
|
2023/11
|
42
|
34
|
46
|
38
|
34
|
35
|
24
|
18
|
28
|
42
|
35
|
15
|
22
|
31
|
14
|
31
|
54
|
55
|
58
|
56
|
34
|
54
|
79
|
70
|
50
|
35
|
45
|
39
|
58
|
56
|
|
|
2023/10
|
22
|
25
|
29
|
32
|
26
|
16
|
17
|
20
|
24
|
26
|
30
|
27
|
17
|
21
|
35
|
39
|
36
|
34
|
36
|
30
|
36
|
37
|
30
|
25
|
37
|
45
|
23
|
30
|
31
|
41
|
42
|
|
2023/09
|
37
|
40
|
36
|
26
|
33
|
36
|
32
|
30
|
26
|
28
|
33
|
22
|
24
|
32
|
37
|
27
|
19
|
18
|
18
|
22
|
21
|
23
|
25
|
28
|
29
|
31
|
25
|
29
|
23
|
26
|
|
|
2023/08
|
21
|
20
|
18
|
21
|
23
|
20
|
20
|
18
|
18
|
21
|
24
|
24
|
28
|
28
|
23
|
25
|
25
|
30
|
39
|
40
|
24
|
29
|
23
|
18
|
16
|
16
|
20
|
24
|
34
|
31
|
33
|
|
2023/07
|
23
|
23
|
22
|
23
|
24
|
20
|
19
|
22
|
20
|
21
|
23
|
25
|
23
|
26
|
48
|
44
|
45
|
38
|
21
|
21
|
20
|
24
|
22
|
26
|
28
|
28
|
31
|
30
|
25
|
26
|
25
|
|
2023/06
|
31
|
36
|
34
|
32
|
20
|
29
|
32
|
35
|
37
|
37
|
39
|
38
|
40
|
36
|
32
|
23
|
25
|
27
|
23
|
33
|
20
|
26
|
27
|
31
|
30
|
28
|
21
|
20
|
20
|
25
|
|
|
2023/05
|
59
|
49
|
42
|
37
|
40
|
39
|
25
|
25
|
17
|
19
|
25
|
33
|
61
|
75
|
45
|
32
|
53
|
48
|
43
|
42
|
56
|
39
|
37
|
42
|
35
|
33
|
35
|
33
|
27
|
30
|
36
|
|
2023/04
|
43
|
53
|
51
|
48
|
46
|
23
|
30
|
54
|
62
|
34
|
56
|
54
|
65
|
44
|
41
|
44
|
54
|
58
|
38
|
40
|
59
|
92
|
68
|
27
|
26
|
38
|
39
|
51
|
42
|
60
|
|
|
2023/03
|
79
|
62
|
35
|
47
|
47
|
66
|
41
|
38
|
40
|
47
|
63
|
46
|
32
|
54
|
64
|
43
|
53
|
38
|
30
|
32
|
47
|
49
|
42
|
27
|
29
|
35
|
32
|
43
|
30
|
45
|
50
|
|
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