Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
100
O3
0.3
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
56
Good
Tue
12 May
51
Good
Wed
13 May
50
Excellent
Thu
14 May
47
Excellent
Fri
15 May
47
Excellent
Sat
16 May
49
Excellent
Sun
17 May
38
Excellent
Air quality in the last 12 months (Changle)
|
2026/04
|
34
|
34
|
27
|
23
|
34
|
42
|
38
|
35
|
35
|
42
|
38
|
35
|
48
|
39
|
31
|
33
|
34
|
31
|
39
|
38
|
33
|
31
|
29
|
28
|
37
|
42
|
45
|
49
|
32
|
26
|
|
|
2026/03
|
25
|
21
|
24
|
28
|
17
|
31
|
40
|
36
|
35
|
40
|
35
|
39
|
43
|
36
|
33
|
29
|
41
|
43
|
27
|
45
|
31
|
38
|
32
|
26
|
38
|
32
|
37
|
32
|
40
|
43
|
40
|
|
2026/02
|
15
|
32
|
52
|
37
|
42
|
39
|
15
|
31
|
30
|
32
|
33
|
49
|
50
|
48
|
38
|
23
|
25
|
38
|
45
|
50
|
43
|
52
|
97
|
59
|
19
|
28
|
14
|
18
|
|||
|
2026/01
|
24
|
19
|
32
|
31
|
42
|
24
|
41
|
44
|
52
|
45
|
58
|
60
|
52
|
44
|
46
|
50
|
44
|
26
|
34
|
18
|
26
|
45
|
46
|
39
|
42
|
36
|
15
|
26
|
31
|
31
|
8
|
|
2025/12
|
41
|
46
|
53
|
38
|
34
|
29
|
38
|
44
|
42
|
30
|
37
|
47
|
45
|
27
|
42
|
34
|
42
|
67
|
53
|
41
|
61
|
25
|
29
|
41
|
18
|
34
|
23
|
28
|
29
|
48
|
36
|
|
2025/11
|
21
|
48
|
43
|
10
|
14
|
18
|
33
|
24
|
22
|
31
|
25
|
6
|
12
|
31
|
43
|
34
|
33
|
20
|
21
|
32
|
34
|
44
|
41
|
43
|
45
|
77
|
57
|
90
|
72
|
48
|
|
|
2025/10
|
15
|
13
|
17
|
17
|
28
|
28
|
12
|
22
|
22
|
23
|
26
|
26
|
30
|
26
|
15
|
24
|
27
|
22
|
15
|
14
|
11
|
13
|
22
|
25
|
25
|
45
|
36
|
21
|
19
|
31
|
29
|
|
2025/09
|
22
|
27
|
27
|
29
|
17
|
10
|
18
|
16
|
17
|
27
|
22
|
26
|
36
|
32
|
20
|
12
|
12
|
12
|
12
|
18
|
19
|
18
|
23
|
25
|
15
|
11
|
15
|
14
|
21
|
29
|
|
|
2025/08
|
30
|
29
|
26
|
19
|
16
|
26
|
37
|
44
|
32
|
22
|
23
|
23
|
17
|
23
|
13
|
11
|
12
|
14
|
28
|
27
|
28
|
20
|
30
|
21
|
8
|
9
|
9
|
12
|
9
|
10
|
14
|
|
2025/07
|
15
|
16
|
19
|
20
|
13
|
14
|
16
|
35
|
23
|
16
|
9
|
19
|
32
|
29
|
29
|
38
|
41
|
18
|
21
|
21
|
8
|
13
|
15
|
16
|
17
|
14
|
14
|
28
|
19
|
29
|
37
|
|
2025/06
|
41
|
35
|
13
|
22
|
18
|
30
|
20
|
32
|
24
|
21
|
18
|
13
|
17
|
17
|
21
|
22
|
29
|
25
|
18
|
17
|
19
|
24
|
33
|
34
|
27
|
20
|
19
|
25
|
21
|
10
|
|
|
2025/05
|
44
|
45
|
54
|
39
|
43
|
42
|
49
|
49
|
27
|
27
|
28
|
32
|
31
|
29
|
33
|
31
|
28
|
30
|
24
|
37
|
24
|
31
|
45
|
12
|
47
|
38
|
36
|
16
|
11
|
26
|
37
|
|
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