Air Quality
Excellent
No health implications.
9
PM2.5
17
PM10
9
O3
0.5
CO
7
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
62
Good
Wed
7 May
55
Good
Thu
8 May
55
Good
Fri
9 May
55
Good
Sat
10 May
56
Good
Sun
11 May
88
Good
Mon
12 May
15
Excellent
Air quality in the last 12 months (Chancheng)
|
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
|
|
2024/06
|
12
|
21
|
24
|
26
|
37
|
26
|
30
|
24
|
17
|
14
|
18
|
23
|
20
|
21
|
20
|
22
|
24
|
20
|
24
|
20
|
14
|
25
|
15
|
13
|
16
|
16
|
26
|
14
|
12
|
16
|
|
|
2024/05
|
22
|
31
|
45
|
30
|
34
|
42
|
43
|
35
|
45
|
47
|
41
|
35
|
44
|
49
|
52
|
52
|
56
|
52
|
36
|
24
|
17
|
30
|
49
|
18
|
26
|
20
|
22
|
24
|
31
|
38
|
17
|
|
2024/04
|
44
|
49
|
31
|
28
|
20
|
21
|
24
|
32
|
32
|
40
|
55
|
53
|
47
|
38
|
38
|
35
|
27
|
31
|
29
|
23
|
23
|
34
|
32
|
43
|
25
|
30
|
43
|
32
|
31
|
26
|
|
|
2024/03
|
23
|
29
|
57
|
49
|
37
|
41
|
35
|
46
|
47
|
23
|
22
|
45
|
65
|
64
|
71
|
78
|
61
|
60
|
32
|
71
|
62
|
58
|
49
|
41
|
41
|
49
|
49
|
47
|
54
|
40
|
38
|
|
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