Air Quality
Excellent
No health implications.
22
PM2.5
35
PM10
115
O3
0.6
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
84
Good
Thu
17 Sep
80
Good
Fri
18 Sep
85
Good
Sat
19 Sep
88
Good
Sun
20 Sep
81
Good
Mon
21 Sep
21
Excellent
Tue
22 Sep
40
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