Air Quality
Lightly
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
48
PM2.5
155
*
PM10
66
O3
0.5
CO
7
SO2
18
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
20 Apr
51
Good
Sun
21 Apr
59
Good
Mon
22 Apr
55
Good
Tue
23 Apr
59
Good
Wed
24 Apr
56
Good
Thu
25 Apr
60
Good
Fri
26 Apr
57
Good
Air quality in the last 12 months (Chengkou)
|
2024/02
|
57
|
23
|
21
|
24
|
38
|
48
|
52
|
49
|
67
|
151
|
75
|
53
|
56
|
63
|
36
|
33
|
34
|
47
|
398
|
54
|
15
|
21
|
29
|
31
|
44
|
52
|
53
|
53
|
55
|
||
|
2024/01
|
109
|
82
|
49
|
57
|
73
|
98
|
106
|
83
|
76
|
75
|
89
|
76
|
96
|
125
|
89
|
46
|
42
|
37
|
16
|
24
|
33
|
28
|
27
|
39
|
55
|
54
|
49
|
58
|
64
|
72
|
96
|
|
2023/12
|
41
|
43
|
51
|
64
|
55
|
63
|
63
|
67
|
92
|
100
|
28
|
19
|
22
|
21
|
27
|
39
|
42
|
39
|
50
|
55
|
86
|
79
|
86
|
88
|
89
|
96
|
112
|
158
|
194
|
151
|
105
|
|
2023/11
|
37
|
48
|
38
|
22
|
18
|
25
|
33
|
33
|
43
|
46
|
23
|
27
|
23
|
24
|
26
|
54
|
58
|
53
|
54
|
62
|
58
|
68
|
69
|
62
|
49
|
38
|
39
|
46
|
59
|
43
|
|
|
2023/10
|
17
|
18
|
13
|
13
|
18
|
20
|
16
|
19
|
26
|
25
|
26
|
34
|
38
|
37
|
32
|
34
|
43
|
41
|
18
|
16
|
21
|
23
|
38
|
47
|
46
|
34
|
32
|
21
|
28
|
34
|
37
|
|
2023/09
|
35
|
45
|
36
|
36
|
36
|
36
|
35
|
36
|
41
|
37
|
25
|
15
|
21
|
25
|
30
|
33
|
38
|
26
|
12
|
18
|
22
|
16
|
17
|
13
|
10
|
9
|
12
|
12
|
12
|
14
|
|
|
2023/08
|
23
|
29
|
22
|
21
|
22
|
22
|
19
|
20
|
28
|
31
|
32
|
23
|
23
|
28
|
29
|
31
|
32
|
43
|
49
|
23
|
24
|
34
|
28
|
28
|
34
|
17
|
18
|
22
|
23
|
30
|
32
|
|
2023/07
|
18
|
19
|
20
|
22
|
30
|
27
|
26
|
28
|
30
|
28
|
28
|
25
|
21
|
18
|
35
|
33
|
32
|
35
|
27
|
26
|
25
|
29
|
33
|
28
|
22
|
21
|
17
|
16
|
19
|
20
|
22
|
|
2023/06
|
24
|
24
|
19
|
16
|
14
|
21
|
24
|
26
|
34
|
47
|
50
|
34
|
34
|
31
|
27
|
20
|
13
|
16
|
24
|
40
|
37
|
32
|
29
|
28
|
33
|
34
|
43
|
32
|
17
|
26
|
|
|
2023/05
|
50
|
51
|
40
|
26
|
27
|
17
|
20
|
23
|
31
|
25
|
27
|
38
|
44
|
53
|
54
|
48
|
38
|
48
|
53
|
50
|
32
|
16
|
16
|
23
|
43
|
35
|
17
|
17
|
22
|
24
|
23
|
|
2023/04
|
45
|
60
|
28
|
14
|
19
|
48
|
70
|
70
|
65
|
59
|
75
|
97
|
78
|
46
|
51
|
55
|
55
|
49
|
45
|
61
|
47
|
18
|
19
|
14
|
21
|
36
|
39
|
48
|
67
|
60
|
|
|
2023/03
|
76
|
56
|
52
|
52
|
54
|
55
|
47
|
45
|
41
|
45
|
56
|
67
|
65
|
49
|
53
|
44
|
19
|
22
|
23
|
29
|
34
|
45
|
45
|
43
|
34
|
32
|
33
|
44
|
42
|
39
|
45
|
|
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