Air Quality
Excellent
No health implications.
7
PM2.5
44
PM10
58
O3
0.7
CO
8
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Feb
66
Good
Fri
7 Feb
61
Good
Sat
8 Feb
61
Good
Sun
9 Feb
88
Good
Mon
10 Feb
91
Good
Tue
11 Feb
91
Good
Wed
12 Feb
30
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
2024/08
|
48
|
48
|
31
|
37
|
40
|
32
|
25
|
27
|
36
|
78
|
25
|
25
|
38
|
34
|
47
|
51
|
43
|
44
|
57
|
40
|
34
|
46
|
50
|
52
|
49
|
36
|
27
|
32
|
38
|
47
|
49
|
|
2024/07
|
35
|
30
|
42
|
43
|
39
|
41
|
46
|
29
|
51
|
65
|
75
|
69
|
53
|
76
|
58
|
57
|
29
|
42
|
34
|
28
|
45
|
49
|
40
|
42
|
30
|
41
|
40
|
37
|
17
|
18
|
23
|
|
2024/06
|
50
|
49
|
46
|
64
|
61
|
62
|
54
|
43
|
49
|
52
|
56
|
53
|
55
|
48
|
57
|
43
|
37
|
39
|
43
|
46
|
36
|
64
|
63
|
96
|
84
|
72
|
46
|
51
|
44
|
47
|
|
|
2024/05
|
52
|
56
|
50
|
52
|
67
|
65
|
65
|
67
|
63
|
54
|
91
|
101
|
88
|
74
|
56
|
56
|
62
|
72
|
58
|
60
|
62
|
63
|
63
|
60
|
75
|
69
|
55
|
55
|
54
|
51
|
68
|
|
2024/04
|
74
|
85
|
80
|
62
|
58
|
71
|
77
|
70
|
68
|
65
|
61
|
63
|
57
|
39
|
65
|
80
|
85
|
75
|
52
|
49
|
69
|
78
|
75
|
66
|
79
|
74
|
61
|
64
|
67
|
38
|
|
|
2024/03
|
97
|
62
|
60
|
66
|
125
|
109
|
76
|
45
|
69
|
88
|
73
|
68
|
73
|
85
|
76
|
119
|
82
|
74
|
77
|
64
|
78
|
105
|
94
|
57
|
45
|
68
|
57
|
77
|
80
|
82
|
83
|
|
2024/02
|
97
|
106
|
105
|
86
|
134
|
139
|
186
|
141
|
104
|
146
|
87
|
78
|
91
|
86
|
86
|
70
|
68
|
96
|
88
|
47
|
37
|
41
|
46
|
74
|
106
|
95
|
81
|
90
|
108
|
||
|
2024/01
|
88
|
76
|
51
|
56
|
58
|
61
|
58
|
76
|
71
|
95
|
86
|
100
|
163
|
154
|
69
|
30
|
56
|
105
|
77
|
87
|
65
|
42
|
45
|
49
|
53
|
55
|
56
|
64
|
74
|
112
|
189
|
|
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