Air Quality
Excellent
No health implications.
26
PM2.5
36
PM10
119
O3
0.5
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Oct
85
Good
Sat
17 Oct
88
Good
Sun
18 Oct
82
Good
Mon
19 Oct
89
Good
Tue
20 Oct
80
Good
Wed
21 Oct
49
Excellent
Thu
22 Oct
29
Excellent
Air quality in the last 12 months (Chengqu)
|
2026/08
|
13
|
15
|
15
|
25
|
31
|
25
|
26
|
44
|
31
|
52
|
63
|
62
|
28
|
26
|
23
|
33
|
34
|
32
|
23
|
20
|
22
|
22
|
27
|
33
|
35
|
39
|
22
|
29
|
43
|
37
|
20
|
|
2026/07
|
22
|
19
|
19
|
19
|
19
|
20
|
18
|
21
|
23
|
23
|
41
|
25
|
20
|
17
|
20
|
18
|
17
|
32
|
28
|
25
|
35
|
36
|
33
|
36
|
28
|
24
|
23
|
16
|
20
|
16
|
18
|
|
2026/06
|
40
|
36
|
28
|
24
|
30
|
28
|
24
|
26
|
21
|
19
|
26
|
38
|
30
|
37
|
21
|
18
|
19
|
21
|
22
|
22
|
18
|
17
|
22
|
34
|
33
|
24
|
23
|
20
|
20
|
17
|
|
|
2026/05
|
30
|
35
|
29
|
27
|
26
|
31
|
30
|
27
|
33
|
36
|
43
|
50
|
24
|
20
|
22
|
27
|
27
|
31
|
30
|
26
|
23
|
27
|
30
|
28
|
26
|
25
|
25
|
25
|
35
|
40
|
53
|
|
2026/04
|
28
|
32
|
38
|
33
|
29
|
30
|
31
|
35
|
37
|
24
|
27
|
24
|
20
|
18
|
20
|
21
|
26
|
64
|
54
|
40
|
30
|
31
|
24
|
17
|
24
|
42
|
39
|
35
|
24
|
20
|
|
|
2026/03
|
24
|
37
|
20
|
17
|
18
|
20
|
40
|
41
|
40
|
36
|
39
|
47
|
43
|
41
|
43
|
40
|
35
|
34
|
33
|
33
|
38
|
37
|
43
|
40
|
38
|
39
|
39
|
36
|
35
|
35
|
30
|
|
2026/02
|
21
|
24
|
43
|
48
|
45
|
44
|
36
|
30
|
39
|
39
|
33
|
38
|
46
|
33
|
29
|
31
|
46
|
46
|
39
|
49
|
59
|
48
|
59
|
61
|
51
|
24
|
37
|
14
|
|||
|
2026/01
|
42
|
23
|
31
|
43
|
41
|
27
|
38
|
29
|
40
|
52
|
45
|
63
|
69
|
51
|
59
|
53
|
47
|
53
|
58
|
35
|
37
|
32
|
44
|
46
|
34
|
34
|
37
|
40
|
40
|
40
|
29
|
|
2025/12
|
24
|
40
|
46
|
63
|
47
|
43
|
47
|
49
|
48
|
48
|
48
|
45
|
44
|
37
|
39
|
51
|
58
|
55
|
42
|
26
|
69
|
54
|
37
|
42
|
24
|
27
|
40
|
42
|
45
|
47
|
37
|
|
2025/11
|
32
|
43
|
48
|
30
|
16
|
30
|
29
|
30
|
32
|
18
|
21
|
17
|
10
|
24
|
41
|
40
|
40
|
42
|
23
|
29
|
34
|
40
|
55
|
57
|
41
|
59
|
48
|
58
|
72
|
53
|
|
|
2025/10
|
12
|
17
|
15
|
26
|
21
|
21
|
33
|
26
|
28
|
29
|
26
|
19
|
16
|
16
|
27
|
28
|
31
|
33
|
29
|
21
|
11
|
10
|
21
|
29
|
29
|
36
|
49
|
42
|
29
|
39
|
27
|
|
2025/09
|
14
|
16
|
16
|
14
|
10
|
24
|
15
|
14
|
20
|
13
|
12
|
12
|
11
|
9
|
16
|
21
|
21
|
18
|
11
|
13
|
12
|
20
|
14
|
25
|
22
|
23
|
22
|
23
|
20
|
14
|
|
|
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