Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
23
PM2.5
93
*
PM10
67
O3
0.5
CO
13
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Nov
70
Good
Mon
17 Nov
87
Good
Tue
18 Nov
70
Good
Wed
19 Nov
57
Good
Thu
20 Nov
55
Good
Fri
21 Nov
60
Good
Sat
22 Nov
18
Excellent
Chengdong Air quality rank
Air quality in the last 12 months (Chengdong)
|
2025/10
|
19
|
40
|
53
|
61
|
46
|
35
|
18
|
16
|
21
|
17
|
25
|
18
|
36
|
46
|
38
|
57
|
36
|
61
|
46
|
54
|
56
|
45
|
24
|
30
|
39
|
30
|
43
|
47
|
56
|
56
|
55
|
|
2025/09
|
44
|
17
|
37
|
44
|
27
|
61
|
60
|
33
|
49
|
51
|
46
|
30
|
51
|
81
|
86
|
107
|
30
|
24
|
36
|
36
|
30
|
35
|
33
|
50
|
32
|
45
|
36
|
36
|
42
|
39
|
|
|
2025/08
|
53
|
37
|
36
|
15
|
17
|
22
|
32
|
16
|
24
|
26
|
28
|
23
|
30
|
27
|
27
|
36
|
41
|
38
|
29
|
59
|
12
|
19
|
24
|
30
|
36
|
23
|
12
|
13
|
19
|
25
|
34
|
|
2025/07
|
29
|
31
|
35
|
19
|
25
|
30
|
40
|
39
|
39
|
41
|
38
|
34
|
35
|
39
|
55
|
23
|
18
|
33
|
32
|
17
|
25
|
33
|
44
|
29
|
22
|
29
|
38
|
29
|
29
|
33
|
84
|
|
2025/06
|
33
|
35
|
35
|
32
|
40
|
46
|
44
|
37
|
28
|
31
|
31
|
39
|
35
|
31
|
35
|
34
|
48
|
45
|
31
|
30
|
26
|
25
|
27
|
20
|
27
|
29
|
26
|
32
|
20
|
30
|
|
|
2025/05
|
40
|
78
|
195
|
79
|
67
|
125
|
126
|
55
|
44
|
33
|
50
|
49
|
55
|
30
|
38
|
43
|
68
|
38
|
46
|
46
|
45
|
51
|
47
|
30
|
28
|
42
|
40
|
43
|
75
|
61
|
71
|
|
2025/04
|
118
|
112
|
104
|
145
|
103
|
70
|
105
|
71
|
73
|
52
|
71
|
31
|
42
|
49
|
62
|
108
|
76
|
93
|
104
|
110
|
78
|
79
|
42
|
50
|
55
|
41
|
29
|
44
|
44
|
39
|
|
|
2025/03
|
78
|
56
|
66
|
67
|
55
|
71
|
74
|
56
|
56
|
59
|
210
|
145
|
99
|
47
|
57
|
49
|
49
|
44
|
54
|
61
|
62
|
68
|
57
|
54
|
45
|
363
|
106
|
59
|
74
|
121
|
91
|
|
2025/02
|
63
|
54
|
42
|
50
|
39
|
52
|
46
|
60
|
63
|
54
|
74
|
70
|
71
|
61
|
49
|
54
|
55
|
54
|
72
|
64
|
73
|
70
|
59
|
56
|
52
|
47
|
60
|
53
|
|||
|
2025/01
|
81
|
60
|
71
|
62
|
53
|
70
|
70
|
84
|
93
|
51
|
57
|
45
|
46
|
64
|
67
|
60
|
73
|
58
|
58
|
57
|
77
|
70
|
88
|
88
|
79
|
56
|
59
|
72
|
142
|
58
|
46
|
|
2024/12
|
58
|
55
|
80
|
61
|
71
|
86
|
65
|
70
|
82
|
64
|
92
|
59
|
58
|
101
|
104
|
61
|
74
|
79
|
87
|
106
|
111
|
136
|
131
|
120
|
117
|
104
|
51
|
79
|
83
|
92
|
64
|
|
2024/11
|
53
|
47
|
58
|
53
|
55
|
68
|
57
|
51
|
74
|
67
|
64
|
58
|
56
|
75
|
91
|
50
|
55
|
54
|
75
|
76
|
78
|
75
|
86
|
43
|
33
|
70
|
49
|
47
|
81
|
95
|
|
|
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