Air Quality
Excellent
No health implications.
6
PM2.5
10
PM10
48
O3
0.6
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Sep
37
Excellent
Sun
22 Sep
40
Excellent
Mon
23 Sep
39
Excellent
Tue
24 Sep
39
Excellent
Wed
25 Sep
35
Excellent
Thu
26 Sep
31
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
2023/10
|
36
|
37
|
44
|
41
|
27
|
24
|
15
|
16
|
18
|
21
|
16
|
22
|
19
|
27
|
42
|
50
|
43
|
47
|
41
|
39
|
20
|
28
|
37
|
33
|
38
|
32
|
34
|
32
|
37
|
39
|
35
|
|
2023/09
|
17
|
25
|
30
|
31
|
27
|
26
|
26
|
23
|
25
|
25
|
20
|
14
|
15
|
15
|
15
|
15
|
19
|
26
|
23
|
20
|
42
|
35
|
26
|
22
|
26
|
23
|
30
|
27
|
27
|
38
|
|
|
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