Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
72
O3
0.2
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
52
Good
Sun
25 May
57
Good
Mon
26 May
59
Good
Tue
27 May
59
Good
Wed
28 May
50
Excellent
Thu
29 May
39
Excellent
Fri
30 May
33
Excellent
Air quality in the last 12 months (Changle)
|
2025/04
|
16
|
28
|
37
|
40
|
41
|
45
|
55
|
62
|
62
|
39
|
40
|
28
|
103
|
83
|
71
|
63
|
57
|
58
|
50
|
18
|
64
|
44
|
28
|
18
|
26
|
28
|
37
|
41
|
31
|
38
|
|
|
2025/03
|
49
|
47
|
35
|
21
|
11
|
12
|
35
|
34
|
31
|
34
|
50
|
48
|
29
|
24
|
17
|
18
|
47
|
38
|
42
|
46
|
37
|
40
|
56
|
61
|
63
|
55
|
43
|
51
|
30
|
10
|
12
|
|
2025/02
|
28
|
9
|
17
|
59
|
47
|
31
|
19
|
46
|
28
|
32
|
40
|
46
|
80
|
75
|
51
|
51
|
67
|
33
|
34
|
10
|
12
|
32
|
14
|
65
|
68
|
51
|
54
|
55
|
|||
|
2025/01
|
56
|
39
|
36
|
34
|
32
|
45
|
66
|
49
|
54
|
34
|
33
|
39
|
43
|
46
|
74
|
51
|
54
|
41
|
36
|
50
|
73
|
47
|
37
|
19
|
30
|
31
|
16
|
35
|
95
|
32
|
31
|
|
2024/12
|
38
|
34
|
26
|
42
|
34
|
30
|
15
|
61
|
28
|
31
|
28
|
15
|
18
|
58
|
67
|
50
|
40
|
43
|
43
|
16
|
38
|
54
|
24
|
20
|
25
|
46
|
76
|
79
|
40
|
39
|
48
|
|
2024/11
|
10
|
13
|
35
|
37
|
46
|
30
|
26
|
25
|
25
|
29
|
17
|
20
|
23
|
25
|
22
|
9
|
18
|
18
|
16
|
15
|
17
|
22
|
27
|
21
|
20
|
13
|
36
|
26
|
38
|
41
|
|
|
2024/10
|
9
|
9
|
13
|
12
|
16
|
19
|
9
|
10
|
26
|
32
|
40
|
27
|
27
|
25
|
28
|
21
|
29
|
30
|
20
|
15
|
22
|
27
|
28
|
28
|
15
|
20
|
15
|
10
|
34
|
27
|
10
|
|
2024/09
|
33
|
25
|
15
|
17
|
15
|
7
|
11
|
8
|
15
|
35
|
43
|
28
|
10
|
16
|
29
|
20
|
20
|
23
|
18
|
22
|
21
|
9
|
11
|
18
|
16
|
10
|
20
|
23
|
21
|
11
|
|
|
2024/08
|
24
|
41
|
47
|
45
|
39
|
20
|
28
|
31
|
37
|
52
|
43
|
47
|
37
|
26
|
21
|
15
|
24
|
26
|
19
|
9
|
20
|
25
|
35
|
40
|
28
|
29
|
46
|
37
|
35
|
39
|
36
|
|
2024/07
|
24
|
21
|
19
|
22
|
29
|
22
|
19
|
19
|
17
|
18
|
26
|
25
|
28
|
32
|
23
|
19
|
23
|
20
|
24
|
35
|
26
|
14
|
14
|
14
|
10
|
9
|
10
|
19
|
15
|
15
|
14
|
|
2024/06
|
6
|
6
|
17
|
29
|
32
|
13
|
21
|
21
|
22
|
22
|
18
|
25
|
27
|
25
|
22
|
16
|
16
|
21
|
17
|
16
|
22
|
31
|
27
|
21
|
27
|
34
|
28
|
18
|
18
|
23
|
|
|
2024/05
|
10
|
17
|
23
|
24
|
29
|
37
|
33
|
39
|
20
|
20
|
44
|
39
|
21
|
28
|
37
|
31
|
37
|
35
|
23
|
20
|
7
|
17
|
31
|
36
|
27
|
23
|
13
|
16
|
21
|
31
|
32
|
|
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