Air Quality
Excellent
No health implications.
21
PM2.5
24
PM10
37
O3
0.6
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Nov
89
Good
Wed
27 Nov
48
Excellent
Thu
28 Nov
46
Excellent
Fri
29 Nov
57
Good
Sat
30 Nov
63
Good
Sun
1 Dec
65
Good
Mon
2 Dec
65
Good
Air quality in the last 12 months (Chengzihe)
|
2024/10
|
12
|
26
|
49
|
51
|
55
|
42
|
33
|
57
|
54
|
43
|
36
|
49
|
49
|
54
|
25
|
39
|
52
|
55
|
37
|
39
|
56
|
35
|
33
|
51
|
62
|
51
|
27
|
50
|
62
|
63
|
73
|
|
2024/09
|
20
|
12
|
26
|
38
|
12
|
21
|
30
|
36
|
34
|
19
|
24
|
33
|
28
|
22
|
28
|
38
|
24
|
30
|
30
|
21
|
30
|
33
|
40
|
43
|
36
|
21
|
36
|
43
|
45
|
33
|
|
|
2024/08
|
21
|
15
|
19
|
14
|
18
|
19
|
28
|
33
|
35
|
34
|
10
|
18
|
23
|
25
|
21
|
30
|
26
|
28
|
11
|
20
|
17
|
21
|
21
|
29
|
27
|
28
|
26
|
30
|
32
|
31
|
12
|
|
2024/07
|
72
|
71
|
51
|
32
|
35
|
52
|
51
|
64
|
59
|
47
|
65
|
33
|
29
|
37
|
49
|
47
|
31
|
16
|
26
|
38
|
38
|
30
|
32
|
20
|
23
|
13
|
18
|
21
|
18
|
21
|
24
|
|
2024/06
|
10
|
29
|
37
|
25
|
31
|
30
|
36
|
34
|
21
|
22
|
44
|
23
|
20
|
19
|
18
|
19
|
24
|
25
|
39
|
33
|
12
|
8
|
7
|
8
|
16
|
31
|
30
|
53
|
54
|
52
|
|
|
2024/05
|
52
|
73
|
56
|
64
|
74
|
68
|
49
|
52
|
42
|
43
|
26
|
23
|
35
|
34
|
19
|
35
|
40
|
57
|
30
|
29
|
35
|
50
|
34
|
19
|
38
|
28
|
18
|
24
|
19
|
17
|
11
|
|
2024/04
|
36
|
39
|
64
|
27
|
45
|
75
|
38
|
21
|
47
|
60
|
91
|
83
|
59
|
86
|
187
|
48
|
45
|
70
|
53
|
104
|
134
|
79
|
55
|
44
|
62
|
62
|
64
|
74
|
68
|
42
|
|
|
2024/03
|
45
|
37
|
45
|
41
|
41
|
47
|
53
|
45
|
29
|
62
|
85
|
58
|
68
|
67
|
44
|
22
|
20
|
34
|
41
|
42
|
48
|
47
|
23
|
28
|
42
|
56
|
50
|
63
|
82
|
47
|
50
|
|
2024/02
|
31
|
53
|
57
|
58
|
71
|
84
|
64
|
62
|
106
|
244
|
114
|
71
|
67
|
51
|
33
|
41
|
70
|
99
|
46
|
24
|
28
|
24
|
31
|
68
|
96
|
57
|
45
|
59
|
55
|
||
|
2024/01
|
120
|
135
|
175
|
167
|
111
|
85
|
67
|
58
|
71
|
61
|
125
|
84
|
75
|
67
|
23
|
31
|
66
|
55
|
68
|
69
|
36
|
37
|
26
|
54
|
34
|
86
|
145
|
157
|
127
|
85
|
56
|
|
2023/12
|
41
|
55
|
87
|
98
|
102
|
104
|
27
|
58
|
45
|
29
|
41
|
72
|
57
|
80
|
43
|
25
|
24
|
56
|
100
|
43
|
38
|
39
|
58
|
104
|
93
|
76
|
61
|
104
|
115
|
111
|
42
|
|
2023/11
|
73
|
60
|
36
|
35
|
34
|
42
|
48
|
58
|
71
|
45
|
47
|
43
|
35
|
71
|
104
|
116
|
47
|
30
|
50
|
55
|
66
|
74
|
20
|
28
|
45
|
61
|
83
|
69
|
46
|
26
|
|
|
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