Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
60
*
PM2.5
72
PM10
40
O3
0.6
CO
14
SO2
23
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Jan
57
Good
Sat
10 Jan
64
Good
Sun
11 Jan
61
Good
Mon
12 Jan
60
Good
Tue
13 Jan
61
Good
Wed
14 Jan
62
Good
Thu
15 Jan
37
Excellent
Air quality in the last 12 months (Chengzihe)
|
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
|
|
2025/02
|
67
|
103
|
91
|
41
|
31
|
32
|
49
|
34
|
32
|
44
|
64
|
75
|
37
|
33
|
48
|
49
|
26
|
21
|
22
|
29
|
30
|
27
|
25
|
33
|
69
|
36
|
63
|
74
|
|||
|
2025/01
|
86
|
65
|
46
|
56
|
95
|
99
|
87
|
69
|
43
|
41
|
65
|
103
|
98
|
76
|
49
|
68
|
67
|
110
|
137
|
132
|
138
|
179
|
139
|
99
|
101
|
102
|
83
|
77
|
78
|
50
|
48
|
|
2024/12
|
35
|
29
|
36
|
25
|
19
|
28
|
23
|
30
|
46
|
58
|
28
|
34
|
32
|
37
|
34
|
37
|
32
|
28
|
34
|
80
|
64
|
56
|
49
|
39
|
79
|
40
|
25
|
39
|
64
|
93
|
94
|
|
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