Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
23
O3
0.6
CO
6
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jul
43
Excellent
Wed
23 Jul
55
Good
Thu
24 Jul
58
Good
Fri
25 Jul
83
Good
Sat
26 Jul
85
Good
Sun
27 Jul
86
Good
Mon
28 Jul
47
Excellent
Air quality in the last 12 months (Chancheng)
|
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
|
|||
|
2025/01
|
81
|
91
|
63
|
68
|
90
|
85
|
89
|
76
|
71
|
52
|
41
|
48
|
74
|
73
|
61
|
59
|
56
|
63
|
69
|
70
|
81
|
60
|
70
|
50
|
31
|
21
|
26
|
43
|
77
|
56
|
34
|
|
2024/12
|
82
|
101
|
99
|
76
|
66
|
66
|
51
|
38
|
57
|
74
|
61
|
34
|
39
|
54
|
51
|
38
|
70
|
49
|
52
|
61
|
63
|
59
|
67
|
63
|
61
|
68
|
83
|
67
|
75
|
101
|
80
|
|
2024/11
|
45
|
38
|
49
|
51
|
40
|
55
|
48
|
48
|
52
|
57
|
53
|
49
|
45
|
30
|
21
|
22
|
26
|
28
|
19
|
22
|
27
|
30
|
36
|
40
|
34
|
27
|
34
|
42
|
43
|
54
|
|
|
2024/10
|
38
|
31
|
41
|
38
|
40
|
46
|
49
|
68
|
55
|
35
|
45
|
63
|
56
|
38
|
45
|
40
|
28
|
45
|
54
|
43
|
35
|
35
|
31
|
38
|
42
|
41
|
32
|
22
|
27
|
41
|
46
|
|
2024/09
|
35
|
38
|
42
|
42
|
32
|
17
|
17
|
21
|
24
|
33
|
55
|
47
|
41
|
42
|
27
|
28
|
36
|
20
|
35
|
28
|
18
|
21
|
22
|
23
|
41
|
44
|
47
|
49
|
35
|
34
|
|
|
2024/08
|
21
|
26
|
23
|
30
|
40
|
42
|
47
|
30
|
24
|
24
|
23
|
27
|
34
|
29
|
26
|
20
|
18
|
20
|
27
|
28
|
22
|
24
|
30
|
39
|
28
|
38
|
39
|
49
|
32
|
33
|
24
|
|
2024/07
|
19
|
21
|
16
|
13
|
20
|
18
|
12
|
14
|
18
|
14
|
13
|
14
|
13
|
18
|
16
|
15
|
13
|
14
|
21
|
20
|
16
|
14
|
17
|
21
|
30
|
32
|
18
|
14
|
13
|
14
|
15
|
|
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