Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
18
PM2.5
106
*
PM10
71
O3
0.3
CO
6
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Apr
61
Good
Fri
10 Apr
61
Good
Sat
11 Apr
55
Good
Sun
12 Apr
60
Good
Mon
13 Apr
56
Good
Tue
14 Apr
91
Good
Wed
15 Apr
18
Excellent
Air quality in the last 12 months (Chengzihe)
|
2026/02
|
38
|
42
|
55
|
73
|
49
|
35
|
25
|
26
|
59
|
105
|
57
|
37
|
87
|
62
|
54
|
51
|
74
|
22
|
45
|
63
|
85
|
76
|
104
|
66
|
80
|
65
|
49
|
39
|
|||
|
2026/01
|
27
|
27
|
37
|
41
|
26
|
41
|
51
|
26
|
84
|
72
|
36
|
65
|
65
|
38
|
74
|
32
|
35
|
72
|
52
|
29
|
33
|
28
|
36
|
26
|
26
|
32
|
29
|
48
|
22
|
29
|
31
|
|
2025/12
|
31
|
37
|
28
|
24
|
37
|
73
|
39
|
46
|
44
|
43
|
36
|
33
|
64
|
86
|
75
|
37
|
27
|
74
|
92
|
47
|
31
|
64
|
69
|
50
|
52
|
25
|
36
|
85
|
60
|
31
|
32
|
|
2025/11
|
99
|
104
|
58
|
80
|
140
|
102
|
25
|
57
|
41
|
25
|
39
|
68
|
58
|
53
|
71
|
73
|
40
|
44
|
71
|
40
|
108
|
114
|
70
|
136
|
50
|
70
|
75
|
68
|
72
|
55
|
|
|
2025/10
|
29
|
34
|
53
|
48
|
23
|
39
|
53
|
32
|
37
|
41
|
52
|
38
|
50
|
69
|
49
|
94
|
61
|
20
|
21
|
24
|
25
|
47
|
56
|
66
|
95
|
121
|
75
|
45
|
148
|
57
|
83
|
|
2025/09
|
33
|
33
|
43
|
45
|
43
|
30
|
25
|
34
|
30
|
38
|
24
|
49
|
52
|
35
|
17
|
18
|
15
|
30
|
34
|
37
|
31
|
36
|
42
|
31
|
20
|
14
|
28
|
38
|
40
|
53
|
|
|
2025/08
|
33
|
24
|
24
|
15
|
23
|
20
|
20
|
19
|
18
|
17
|
23
|
31
|
29
|
21
|
29
|
20
|
21
|
26
|
24
|
22
|
30
|
13
|
22
|
28
|
23
|
13
|
24
|
30
|
15
|
32
|
43
|
|
2025/07
|
31
|
19
|
23
|
30
|
40
|
17
|
26
|
33
|
33
|
33
|
34
|
37
|
24
|
19
|
18
|
11
|
22
|
20
|
23
|
21
|
19
|
19
|
29
|
33
|
26
|
14
|
25
|
21
|
21
|
17
|
21
|
|
2025/06
|
48
|
30
|
17
|
15
|
22
|
21
|
23
|
28
|
31
|
19
|
18
|
22
|
30
|
30
|
25
|
19
|
20
|
25
|
30
|
21
|
14
|
15
|
29
|
42
|
47
|
55
|
42
|
53
|
33
|
30
|
|
|
2025/05
|
38
|
38
|
30
|
27
|
21
|
38
|
45
|
38
|
37
|
22
|
46
|
54
|
47
|
40
|
25
|
46
|
36
|
19
|
22
|
30
|
30
|
19
|
21
|
25
|
21
|
27
|
33
|
44
|
47
|
47
|
54
|
|
2025/04
|
101
|
80
|
66
|
63
|
60
|
20
|
38
|
70
|
67
|
73
|
161
|
104
|
47
|
31
|
28
|
35
|
61
|
55
|
39
|
70
|
103
|
32
|
41
|
39
|
41
|
19
|
38
|
56
|
39
|
42
|
|
|
2025/03
|
31
|
23
|
41
|
55
|
58
|
45
|
43
|
67
|
77
|
82
|
85
|
89
|
23
|
24
|
27
|
30
|
43
|
42
|
45
|
77
|
96
|
17
|
53
|
70
|
112
|
91
|
26
|
18
|
34
|
27
|
57
|
|
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