Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
76
*
PM10
89
O3
0.7
CO
8
SO2
3
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Mar
51
Good
Wed
18 Mar
59
Good
Thu
19 Mar
59
Good
Fri
20 Mar
58
Good
Sat
21 Mar
65
Good
Sun
22 Mar
18
Excellent
Mon
23 Mar
40
Excellent
Chengdong Air quality rank
Air quality in the last 12 months (Chengdong)
|
2026/02
|
80
|
74
|
88
|
79
|
64
|
64
|
57
|
62
|
87
|
83
|
60
|
67
|
62
|
56
|
70
|
74
|
81
|
53
|
48
|
40
|
51
|
191
|
142
|
63
|
67
|
69
|
75
|
79
|
|||
|
2026/01
|
72
|
77
|
91
|
101
|
84
|
76
|
53
|
50
|
47
|
39
|
42
|
38
|
43
|
99
|
54
|
58
|
45
|
71
|
59
|
56
|
55
|
60
|
66
|
66
|
243
|
184
|
142
|
106
|
106
|
93
|
94
|
|
2025/12
|
63
|
59
|
57
|
66
|
71
|
67
|
64
|
70
|
81
|
76
|
83
|
121
|
54
|
66
|
70
|
65
|
75
|
67
|
56
|
42
|
83
|
90
|
68
|
69
|
61
|
80
|
68
|
63
|
58
|
71
|
81
|
|
2025/11
|
62
|
52
|
54
|
67
|
64
|
30
|
41
|
82
|
80
|
55
|
61
|
55
|
60
|
53
|
62
|
65
|
48
|
46
|
66
|
50
|
67
|
69
|
65
|
61
|
51
|
61
|
35
|
47
|
48
|
56
|
|
|
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
|
|
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