Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
14
O3
0.7
CO
7
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
63
Good
Mon
18 Nov
56
Good
Tue
19 Nov
58
Good
Wed
20 Nov
48
Excellent
Thu
21 Nov
52
Good
Fri
22 Nov
50
Excellent
Air quality in the last 12 months (Chengqu)
|
2024/10
|
21
|
22
|
28
|
25
|
21
|
38
|
34
|
33
|
29
|
30
|
42
|
43
|
30
|
33
|
32
|
34
|
30
|
37
|
40
|
18
|
28
|
29
|
24
|
27
|
30
|
32
|
38
|
21
|
22
|
33
|
30
|
|
2024/09
|
16
|
16
|
34
|
26
|
24
|
10
|
15
|
11
|
13
|
21
|
35
|
30
|
33
|
22
|
19
|
17
|
27
|
28
|
29
|
21
|
10
|
14
|
8
|
10
|
15
|
21
|
39
|
24
|
22
|
24
|
|
|
2024/08
|
28
|
24
|
21
|
28
|
28
|
28
|
28
|
19
|
16
|
20
|
22
|
18
|
19
|
17
|
19
|
17
|
13
|
20
|
16
|
18
|
15
|
21
|
21
|
29
|
23
|
22
|
19
|
29
|
30
|
26
|
16
|
|
2024/07
|
23
|
18
|
11
|
16
|
12
|
13
|
10
|
16
|
14
|
11
|
8
|
9
|
10
|
15
|
13
|
12
|
15
|
16
|
17
|
18
|
15
|
15
|
12
|
27
|
34
|
19
|
17
|
9
|
11
|
12
|
15
|
|
2024/06
|
20
|
19
|
14
|
24
|
20
|
24
|
16
|
21
|
15
|
14
|
15
|
25
|
25
|
29
|
21
|
19
|
17
|
15
|
17
|
11
|
16
|
23
|
11
|
13
|
15
|
11
|
14
|
13
|
12
|
21
|
|
|
2024/05
|
16
|
23
|
27
|
27
|
12
|
24
|
33
|
39
|
40
|
35
|
31
|
23
|
23
|
28
|
32
|
48
|
35
|
30
|
33
|
17
|
11
|
12
|
11
|
9
|
12
|
16
|
21
|
15
|
26
|
22
|
16
|
|
2024/04
|
34
|
36
|
19
|
29
|
45
|
25
|
28
|
32
|
20
|
37
|
42
|
40
|
33
|
25
|
20
|
30
|
23
|
27
|
45
|
35
|
20
|
25
|
19
|
25
|
22
|
20
|
14
|
15
|
19
|
18
|
|
|
2024/03
|
16
|
16
|
30
|
36
|
49
|
39
|
33
|
35
|
61
|
50
|
27
|
22
|
57
|
57
|
67
|
66
|
48
|
35
|
34
|
52
|
52
|
52
|
45
|
25
|
24
|
35
|
34
|
32
|
38
|
45
|
22
|
|
2024/02
|
36
|
39
|
29
|
28
|
27
|
32
|
28
|
10
|
23
|
66
|
63
|
50
|
57
|
61
|
45
|
39
|
30
|
34
|
27
|
26
|
20
|
22
|
32
|
31
|
28
|
44
|
37
|
36
|
37
|
||
|
2024/01
|
72
|
58
|
42
|
34
|
53
|
73
|
69
|
67
|
62
|
33
|
52
|
82
|
64
|
33
|
51
|
45
|
40
|
39
|
36
|
32
|
28
|
25
|
20
|
27
|
33
|
38
|
40
|
29
|
57
|
62
|
45
|
|
2023/12
|
48
|
43
|
47
|
53
|
37
|
35
|
31
|
46
|
45
|
45
|
35
|
36
|
34
|
42
|
30
|
22
|
23
|
33
|
23
|
18
|
19
|
42
|
33
|
32
|
34
|
54
|
56
|
57
|
46
|
47
|
60
|
|
2023/11
|
32
|
33
|
37
|
36
|
39
|
33
|
39
|
40
|
41
|
43
|
28
|
22
|
20
|
26
|
33
|
31
|
52
|
51
|
57
|
50
|
40
|
38
|
44
|
64
|
51
|
36
|
49
|
54
|
56
|
60
|
|
|
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