Air Quality
Excellent
No health implications.
5
PM2.5
17
PM10
34
O3
1.2
CO
3
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
47
Excellent
Sun
18 Oct
65
Good
Mon
19 Oct
73
Good
Tue
20 Oct
78
Good
Wed
21 Oct
79
Good
Thu
22 Oct
69
Good
Fri
23 Oct
16
Excellent
Air quality in the last 12 months (Chengqu)
|
2026/08
|
33
|
32
|
34
|
26
|
36
|
52
|
55
|
36
|
44
|
50
|
57
|
27
|
29
|
39
|
48
|
33
|
45
|
39
|
58
|
61
|
65
|
64
|
69
|
69
|
56
|
29
|
28
|
31
|
50
|
47
|
45
|
|
2026/07
|
49
|
64
|
62
|
59
|
54
|
47
|
51
|
54
|
63
|
74
|
59
|
34
|
54
|
59
|
40
|
51
|
29
|
46
|
59
|
50
|
46
|
47
|
40
|
44
|
52
|
53
|
50
|
39
|
38
|
45
|
35
|
|
2026/06
|
68
|
65
|
74
|
42
|
48
|
29
|
38
|
46
|
38
|
50
|
55
|
59
|
37
|
55
|
60
|
71
|
66
|
77
|
44
|
35
|
45
|
49
|
54
|
62
|
52
|
61
|
66
|
42
|
43
|
50
|
|
|
2026/05
|
70
|
42
|
34
|
61
|
58
|
68
|
46
|
57
|
66
|
77
|
60
|
83
|
86
|
81
|
78
|
49
|
22
|
33
|
48
|
47
|
52
|
40
|
56
|
63
|
43
|
31
|
47
|
44
|
50
|
63
|
79
|
|
2026/04
|
66
|
79
|
108
|
62
|
98
|
69
|
56
|
67
|
72
|
51
|
70
|
80
|
116
|
97
|
97
|
97
|
79
|
79
|
113
|
59
|
73
|
62
|
79
|
80
|
77
|
79
|
79
|
70
|
57
|
66
|
|
|
2026/03
|
71
|
109
|
130
|
94
|
84
|
78
|
76
|
91
|
82
|
88
|
83
|
100
|
162
|
57
|
45
|
63
|
78
|
44
|
56
|
83
|
96
|
49
|
101
|
106
|
81
|
93
|
102
|
96
|
45
|
52
|
52
|
|
2026/02
|
82
|
56
|
78
|
83
|
120
|
60
|
41
|
51
|
62
|
109
|
73
|
81
|
81
|
97
|
65
|
83
|
192
|
51
|
57
|
93
|
265
|
280
|
65
|
85
|
100
|
73
|
79
|
57
|
|||
|
2026/01
|
94
|
95
|
99
|
129
|
100
|
48
|
56
|
58
|
122
|
78
|
36
|
74
|
100
|
119
|
125
|
132
|
84
|
75
|
81
|
71
|
62
|
73
|
96
|
143
|
244
|
167
|
143
|
203
|
186
|
198
|
163
|
|
2025/12
|
82
|
65
|
34
|
54
|
77
|
69
|
93
|
88
|
83
|
103
|
97
|
51
|
66
|
72
|
67
|
84
|
73
|
82
|
95
|
62
|
75
|
102
|
78
|
77
|
37
|
68
|
73
|
73
|
66
|
84
|
54
|
|
2025/11
|
47
|
60
|
66
|
93
|
155
|
211
|
53
|
70
|
62
|
70
|
77
|
66
|
58
|
71
|
72
|
57
|
35
|
36
|
49
|
59
|
54
|
62
|
86
|
127
|
64
|
169
|
94
|
120
|
88
|
87
|
|
|
2025/10
|
67
|
34
|
53
|
53
|
52
|
20
|
33
|
19
|
15
|
15
|
27
|
36
|
37
|
42
|
61
|
73
|
26
|
24
|
51
|
46
|
54
|
64
|
84
|
109
|
94
|
64
|
55
|
78
|
122
|
131
|
71
|
|
2025/09
|
54
|
60
|
39
|
57
|
37
|
51
|
64
|
71
|
47
|
64
|
67
|
49
|
58
|
66
|
74
|
58
|
25
|
36
|
25
|
51
|
50
|
27
|
52
|
51
|
55
|
56
|
44
|
59
|
63
|
66
|
|
|
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