Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
30
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
43
Excellent
Fri
15 May
48
Excellent
Sat
16 May
42
Excellent
Sun
17 May
41
Excellent
Mon
18 May
46
Excellent
Tue
19 May
41
Excellent
Wed
20 May
19
Excellent
Air quality in the last 12 months (Chancheng)
|
2026/04
|
32
|
51
|
43
|
26
|
51
|
37
|
42
|
34
|
32
|
29
|
36
|
34
|
27
|
24
|
23
|
28
|
32
|
56
|
89
|
44
|
34
|
27
|
20
|
24
|
46
|
88
|
45
|
33
|
22
|
25
|
|
|
2026/03
|
21
|
26
|
11
|
17
|
27
|
32
|
38
|
62
|
50
|
20
|
38
|
58
|
65
|
50
|
50
|
47
|
41
|
36
|
54
|
31
|
42
|
47
|
47
|
44
|
58
|
33
|
41
|
40
|
31
|
31
|
33
|
|
2026/02
|
26
|
35
|
50
|
67
|
56
|
37
|
38
|
34
|
40
|
54
|
47
|
42
|
44
|
37
|
25
|
39
|
45
|
36
|
57
|
51
|
53
|
42
|
48
|
54
|
57
|
26
|
27
|
17
|
|||
|
2026/01
|
84
|
25
|
40
|
73
|
62
|
33
|
45
|
36
|
47
|
72
|
43
|
82
|
84
|
79
|
86
|
102
|
91
|
89
|
69
|
57
|
40
|
37
|
45
|
66
|
104
|
114
|
82
|
52
|
64
|
41
|
38
|
|
2025/12
|
60
|
43
|
56
|
67
|
77
|
79
|
91
|
66
|
64
|
86
|
73
|
61
|
37
|
37
|
51
|
79
|
60
|
57
|
83
|
41
|
63
|
71
|
67
|
70
|
22
|
46
|
53
|
67
|
77
|
65
|
66
|
|
2025/11
|
33
|
39
|
34
|
19
|
24
|
28
|
43
|
53
|
31
|
19
|
20
|
21
|
21
|
35
|
49
|
55
|
57
|
42
|
24
|
30
|
31
|
44
|
60
|
52
|
45
|
62
|
54
|
63
|
78
|
61
|
|
|
2025/10
|
32
|
16
|
17
|
29
|
12
|
14
|
31
|
38
|
40
|
40
|
39
|
19
|
23
|
25
|
30
|
48
|
47
|
59
|
39
|
21
|
15
|
16
|
24
|
40
|
42
|
45
|
53
|
49
|
53
|
50
|
42
|
|
2025/09
|
25
|
20
|
18
|
31
|
23
|
35
|
26
|
11
|
15
|
18
|
22
|
20
|
19
|
20
|
19
|
36
|
34
|
36
|
22
|
17
|
10
|
20
|
23
|
9
|
14
|
20
|
34
|
29
|
24
|
34
|
|
|
2025/08
|
25
|
22
|
22
|
31
|
21
|
18
|
32
|
37
|
30
|
28
|
31
|
20
|
28
|
35
|
16
|
28
|
23
|
14
|
19
|
28
|
21
|
32
|
42
|
22
|
22
|
27
|
35
|
48
|
32
|
23
|
25
|
|
2025/07
|
16
|
21
|
37
|
38
|
40
|
33
|
39
|
22
|
31
|
28
|
19
|
23
|
24
|
28
|
30
|
28
|
38
|
46
|
24
|
12
|
11
|
12
|
19
|
28
|
28
|
37
|
49
|
59
|
38
|
29
|
27
|
|
2025/06
|
30
|
27
|
18
|
28
|
29
|
34
|
23
|
17
|
21
|
29
|
19
|
17
|
15
|
11
|
18
|
21
|
13
|
15
|
15
|
17
|
13
|
16
|
14
|
16
|
16
|
14
|
13
|
14
|
14
|
13
|
|
|
2025/05
|
34
|
47
|
31
|
27
|
23
|
23
|
20
|
33
|
24
|
33
|
34
|
55
|
43
|
30
|
22
|
16
|
21
|
20
|
28
|
24
|
22
|
22
|
22
|
23
|
44
|
49
|
50
|
35
|
27
|
27
|
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