Air Quality
Excellent
No health implications.
21
PM2.5
39
PM10
155
O3
0.5
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
98
Good
Sun
13 Jul
122
Light
Mon
14 Jul
126
Light
Tue
15 Jul
110
Light
Wed
16 Jul
108
Light
Thu
17 Jul
128
Light
Fri
18 Jul
46
Excellent
Air quality in the last 12 months (Chengqu)
|
2025/06
|
67
|
41
|
40
|
44
|
56
|
58
|
65
|
64
|
58
|
44
|
63
|
65
|
68
|
39
|
21
|
24
|
39
|
51
|
50
|
47
|
43
|
47
|
49
|
47
|
53
|
40
|
46
|
33
|
43
|
54
|
|
|
2025/05
|
46
|
79
|
42
|
63
|
144
|
54
|
69
|
72
|
34
|
40
|
46
|
46
|
84
|
56
|
56
|
80
|
127
|
69
|
80
|
73
|
93
|
72
|
58
|
49
|
54
|
63
|
58
|
59
|
60
|
64
|
54
|
|
2025/04
|
58
|
39
|
74
|
100
|
44
|
73
|
99
|
73
|
80
|
54
|
144
|
135
|
56
|
30
|
51
|
136
|
246
|
77
|
62
|
92
|
75
|
48
|
80
|
41
|
74
|
76
|
65
|
56
|
57
|
106
|
|
|
2025/03
|
143
|
91
|
56
|
49
|
75
|
58
|
71
|
77
|
85
|
102
|
117
|
210
|
110
|
103
|
61
|
27
|
38
|
33
|
47
|
45
|
47
|
62
|
133
|
241
|
258
|
131
|
151
|
171
|
41
|
50
|
51
|
|
2025/02
|
134
|
90
|
31
|
38
|
34
|
110
|
39
|
26
|
51
|
72
|
104
|
68
|
65
|
77
|
70
|
73
|
59
|
66
|
75
|
79
|
107
|
80
|
37
|
52
|
55
|
76
|
91
|
94
|
|||
|
2025/01
|
99
|
89
|
54
|
71
|
76
|
33
|
41
|
31
|
35
|
56
|
61
|
44
|
76
|
47
|
45
|
48
|
84
|
67
|
54
|
66
|
75
|
73
|
82
|
75
|
109
|
76
|
30
|
47
|
129
|
158
|
98
|
|
2024/12
|
55
|
54
|
62
|
64
|
40
|
44
|
38
|
34
|
68
|
67
|
69
|
108
|
92
|
57
|
48
|
52
|
66
|
59
|
77
|
68
|
35
|
57
|
63
|
78
|
79
|
54
|
59
|
46
|
60
|
73
|
70
|
|
2024/11
|
56
|
67
|
71
|
36
|
56
|
68
|
99
|
184
|
239
|
198
|
127
|
127
|
125
|
56
|
66
|
67
|
55
|
70
|
65
|
60
|
62
|
69
|
85
|
119
|
53
|
35
|
45
|
39
|
40
|
53
|
|
|
2024/10
|
70
|
48
|
51
|
64
|
73
|
83
|
71
|
71
|
68
|
56
|
68
|
91
|
178
|
101
|
78
|
86
|
90
|
30
|
24
|
35
|
61
|
56
|
50
|
74
|
128
|
165
|
93
|
78
|
81
|
128
|
77
|
|
2024/09
|
50
|
26
|
35
|
48
|
29
|
45
|
55
|
60
|
80
|
30
|
41
|
49
|
58
|
54
|
47
|
62
|
61
|
64
|
62
|
49
|
24
|
48
|
56
|
65
|
84
|
100
|
105
|
119
|
98
|
33
|
|
|
2024/08
|
48
|
51
|
48
|
37
|
35
|
47
|
38
|
38
|
29
|
51
|
19
|
21
|
35
|
32
|
51
|
54
|
44
|
40
|
40
|
30
|
41
|
50
|
54
|
57
|
50
|
14
|
26
|
41
|
49
|
55
|
69
|
|
2024/07
|
42
|
36
|
64
|
68
|
96
|
69
|
72
|
61
|
54
|
65
|
68
|
65
|
56
|
70
|
87
|
45
|
40
|
46
|
56
|
51
|
54
|
65
|
58
|
55
|
28
|
44
|
40
|
49
|
43
|
19
|
37
|
|
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