Air Quality
Excellent
No health implications.
3
PM2.5
27
PM10
29
O3
0.9
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Oct
61
Good
Wed
8 Oct
55
Good
Thu
9 Oct
58
Good
Fri
10 Oct
67
Good
Sat
11 Oct
59
Good
Sun
12 Oct
31
Excellent
Mon
13 Oct
38
Excellent
Air quality in the last 12 months (Chengqu)
|
2025/08
|
42
|
49
|
52
|
47
|
38
|
41
|
47
|
43
|
34
|
35
|
38
|
45
|
49
|
36
|
31
|
31
|
38
|
42
|
38
|
41
|
33
|
38
|
40
|
30
|
55
|
29
|
43
|
27
|
27
|
30
|
32
|
|
2025/07
|
27
|
39
|
32
|
39
|
26
|
32
|
49
|
51
|
45
|
47
|
62
|
56
|
59
|
56
|
48
|
70
|
44
|
46
|
50
|
48
|
45
|
44
|
30
|
29
|
44
|
43
|
44
|
42
|
49
|
43
|
46
|
|
2025/06
|
50
|
60
|
41
|
52
|
56
|
59
|
78
|
73
|
56
|
47
|
57
|
52
|
55
|
44
|
43
|
40
|
45
|
50
|
33
|
55
|
53
|
50
|
45
|
45
|
53
|
46
|
52
|
48
|
47
|
34
|
|
|
2025/05
|
60
|
81
|
66
|
55
|
165
|
104
|
132
|
92
|
74
|
48
|
49
|
49
|
58
|
63
|
48
|
61
|
122
|
66
|
67
|
74
|
75
|
62
|
59
|
47
|
50
|
59
|
62
|
62
|
61
|
60
|
56
|
|
2025/04
|
62
|
59
|
59
|
86
|
56
|
69
|
84
|
80
|
84
|
59
|
88
|
228
|
95
|
51
|
47
|
114
|
126
|
100
|
72
|
63
|
63
|
90
|
93
|
64
|
66
|
79
|
68
|
61
|
58
|
96
|
|
|
2025/03
|
77
|
59
|
52
|
55
|
86
|
91
|
71
|
68
|
73
|
88
|
82
|
109
|
116
|
74
|
55
|
36
|
35
|
42
|
45
|
40
|
43
|
54
|
92
|
291
|
217
|
144
|
134
|
127
|
42
|
49
|
58
|
|
2025/02
|
138
|
114
|
34
|
32
|
34
|
62
|
50
|
34
|
47
|
75
|
89
|
65
|
54
|
52
|
60
|
59
|
66
|
74
|
57
|
67
|
111
|
117
|
66
|
83
|
64
|
60
|
83
|
96
|
|||
|
2025/01
|
106
|
125
|
152
|
101
|
78
|
54
|
42
|
41
|
53
|
61
|
56
|
46
|
87
|
77
|
37
|
48
|
61
|
66
|
58
|
69
|
93
|
144
|
163
|
156
|
100
|
67
|
37
|
39
|
128
|
144
|
160
|
|
2024/12
|
47
|
51
|
60
|
69
|
35
|
38
|
36
|
48
|
72
|
96
|
106
|
106
|
63
|
49
|
44
|
58
|
73
|
74
|
57
|
66
|
45
|
64
|
75
|
88
|
86
|
80
|
64
|
35
|
52
|
64
|
70
|
|
2024/11
|
48
|
65
|
62
|
50
|
51
|
69
|
85
|
71
|
51
|
87
|
131
|
170
|
46
|
53
|
44
|
59
|
54
|
53
|
42
|
50
|
64
|
80
|
82
|
52
|
44
|
44
|
73
|
47
|
34
|
44
|
|
|
2024/10
|
53
|
45
|
54
|
57
|
59
|
74
|
104
|
138
|
114
|
55
|
85
|
96
|
112
|
118
|
138
|
128
|
52
|
39
|
33
|
33
|
50
|
34
|
41
|
64
|
82
|
74
|
49
|
124
|
99
|
95
|
86
|
|
2024/09
|
52
|
35
|
43
|
51
|
30
|
35
|
41
|
55
|
60
|
28
|
38
|
37
|
49
|
63
|
54
|
48
|
49
|
47
|
33
|
32
|
27
|
45
|
44
|
65
|
87
|
93
|
100
|
55
|
43
|
24
|
|
|
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