Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
20
O3
0.8
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Mar
54
Good
Wed
4 Mar
64
Good
Thu
5 Mar
58
Good
Fri
6 Mar
64
Good
Sat
7 Mar
79
Good
Sun
8 Mar
17
Excellent
Mon
9 Mar
35
Excellent
Air quality in the last 12 months (Chancheng)
|
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
|
|
2025/04
|
35
|
48
|
63
|
50
|
39
|
69
|
81
|
65
|
51
|
38
|
34
|
50
|
250
|
162
|
112
|
102
|
68
|
53
|
32
|
32
|
27
|
29
|
32
|
23
|
19
|
45
|
37
|
30
|
40
|
51
|
|
|
2025/03
|
37
|
36
|
37
|
28
|
23
|
18
|
23
|
37
|
67
|
79
|
47
|
39
|
33
|
30
|
22
|
18
|
51
|
47
|
54
|
68
|
67
|
62
|
61
|
66
|
59
|
45
|
32
|
44
|
22
|
16
|
20
|
|
2025/02
|
48
|
47
|
11
|
30
|
42
|
44
|
27
|
57
|
32
|
55
|
58
|
49
|
45
|
54
|
45
|
74
|
48
|
60
|
51
|
49
|
41
|
40
|
28
|
36
|
52
|
55
|
62
|
46
|
|||
|
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