Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
78
*
PM10
65
O3
0.8
CO
11
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
87
Good
Wed
17 Dec
59
Good
Thu
18 Dec
80
Good
Fri
19 Dec
94
Good
Sat
20 Dec
84
Good
Sun
21 Dec
64
Good
Mon
22 Dec
15
Excellent
Chengzhong Air quality rank
Air quality in the last 12 months (Chengzhong)
|
2025/11
|
32
|
34
|
13
|
10
|
26
|
42
|
38
|
24
|
12
|
13
|
14
|
28
|
39
|
42
|
50
|
55
|
55
|
22
|
22
|
27
|
26
|
45
|
64
|
46
|
43
|
52
|
51
|
66
|
74
|
95
|
|
|
2025/10
|
39
|
31
|
29
|
34
|
29
|
15
|
25
|
37
|
42
|
44
|
45
|
46
|
32
|
25
|
26
|
41
|
46
|
35
|
15
|
13
|
15
|
13
|
26
|
41
|
43
|
41
|
35
|
36
|
40
|
53
|
30
|
|
2025/09
|
31
|
26
|
22
|
26
|
31
|
31
|
34
|
34
|
15
|
23
|
17
|
20
|
25
|
34
|
22
|
27
|
21
|
31
|
37
|
33
|
17
|
15
|
25
|
17
|
11
|
20
|
28
|
31
|
34
|
43
|
|
|
2025/08
|
23
|
26
|
26
|
28
|
21
|
17
|
18
|
28
|
29
|
31
|
34
|
34
|
33
|
38
|
13
|
22
|
26
|
14
|
16
|
18
|
20
|
25
|
30
|
32
|
27
|
25
|
30
|
28
|
33
|
22
|
23
|
|
2025/07
|
17
|
20
|
20
|
40
|
45
|
41
|
44
|
25
|
29
|
28
|
24
|
27
|
34
|
29
|
23
|
28
|
29
|
45
|
41
|
36
|
18
|
16
|
13
|
22
|
36
|
43
|
55
|
37
|
35
|
29
|
29
|
|
2025/06
|
28
|
15
|
23
|
46
|
57
|
36
|
27
|
27
|
21
|
19
|
23
|
25
|
23
|
20
|
25
|
18
|
17
|
15
|
24
|
22
|
20
|
25
|
30
|
27
|
24
|
36
|
16
|
25
|
21
|
18
|
|
|
2025/05
|
44
|
53
|
43
|
28
|
35
|
31
|
34
|
40
|
24
|
39
|
34
|
52
|
51
|
43
|
28
|
21
|
20
|
17
|
15
|
29
|
28
|
27
|
22
|
31
|
49
|
50
|
51
|
39
|
15
|
35
|
32
|
|
2025/04
|
40
|
60
|
74
|
73
|
89
|
96
|
107
|
88
|
101
|
99
|
53
|
59
|
129
|
161
|
114
|
108
|
100
|
79
|
55
|
43
|
45
|
42
|
30
|
31
|
24
|
35
|
41
|
34
|
50
|
49
|
|
|
2025/03
|
50
|
52
|
57
|
29
|
18
|
17
|
26
|
40
|
34
|
41
|
57
|
58
|
38
|
33
|
11
|
32
|
50
|
32
|
39
|
71
|
79
|
85
|
89
|
89
|
85
|
57
|
54
|
75
|
23
|
17
|
21
|
|
2025/02
|
27
|
10
|
17
|
50
|
67
|
29
|
19
|
58
|
39
|
66
|
140
|
148
|
55
|
74
|
33
|
29
|
30
|
25
|
26
|
18
|
17
|
19
|
12
|
40
|
63
|
35
|
43
|
56
|
|||
|
2025/01
|
141
|
104
|
85
|
101
|
92
|
105
|
80
|
74
|
56
|
46
|
50
|
100
|
105
|
104
|
74
|
67
|
72
|
111
|
111
|
128
|
113
|
102
|
137
|
91
|
56
|
17
|
44
|
58
|
118
|
119
|
90
|
|
2024/12
|
76
|
96
|
93
|
79
|
76
|
30
|
17
|
34
|
67
|
73
|
15
|
32
|
45
|
57
|
44
|
49
|
92
|
60
|
66
|
92
|
97
|
86
|
90
|
85
|
104
|
88
|
80
|
79
|
87
|
110
|
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