Air Quality
Excellent
No health implications.
16
PM2.5
27
PM10
77
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Aug
63
Good
Tue
18 Aug
55
Good
Wed
19 Aug
59
Good
Thu
20 Aug
61
Good
Fri
21 Aug
61
Good
Sat
22 Aug
39
Excellent
Sun
23 Aug
36
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
2025/08
|
26
|
18
|
28
|
16
|
9
|
25
|
24
|
26
|
19
|
13
|
11
|
15
|
22
|
12
|
15
|
21
|
16
|
12
|
14
|
20
|
15
|
17
|
21
|
18
|
17
|
21
|
15
|
19
|
19
|
18
|
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