Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
16
O3
0.6
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Oct
60
Good
Wed
15 Oct
66
Good
Thu
16 Oct
58
Good
Fri
17 Oct
66
Good
Sat
18 Oct
66
Good
Sun
19 Oct
66
Good
Mon
20 Oct
38
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
2025/07
|
11
|
20
|
23
|
27
|
17
|
16
|
25
|
16
|
18
|
16
|
13
|
30
|
30
|
24
|
21
|
24
|
22
|
17
|
17
|
14
|
17
|
12
|
19
|
21
|
28
|
36
|
20
|
18
|
25
|
27
|
37
|
|
2025/06
|
27
|
24
|
19
|
14
|
26
|
18
|
14
|
11
|
10
|
17
|
13
|
11
|
12
|
29
|
31
|
24
|
10
|
14
|
11
|
12
|
10
|
11
|
10
|
9
|
14
|
11
|
12
|
12
|
11
|
12
|
|
|
2025/05
|
31
|
45
|
46
|
28
|
30
|
20
|
27
|
46
|
29
|
20
|
25
|
31
|
34
|
27
|
20
|
14
|
13
|
10
|
13
|
11
|
14
|
12
|
14
|
17
|
37
|
32
|
42
|
30
|
26
|
15
|
27
|
|
2025/04
|
12
|
21
|
37
|
58
|
35
|
40
|
52
|
59
|
39
|
27
|
22
|
31
|
120
|
126
|
111
|
79
|
58
|
53
|
25
|
26
|
23
|
25
|
23
|
18
|
14
|
19
|
27
|
32
|
33
|
49
|
|
|
2025/03
|
47
|
29
|
17
|
31
|
20
|
13
|
17
|
24
|
37
|
45
|
43
|
37
|
38
|
25
|
28
|
13
|
46
|
43
|
44
|
52
|
52
|
44
|
52
|
57
|
50
|
38
|
23
|
29
|
11
|
8
|
8
|
|
2025/02
|
41
|
29
|
17
|
21
|
54
|
40
|
26
|
40
|
37
|
31
|
40
|
33
|
53
|
63
|
44
|
53
|
60
|
59
|
29
|
34
|
36
|
31
|
27
|
25
|
51
|
56
|
44
|
49
|
|||
|
2025/01
|
59
|
63
|
45
|
48
|
51
|
56
|
55
|
55
|
55
|
52
|
45
|
26
|
45
|
44
|
61
|
74
|
52
|
46
|
54
|
50
|
51
|
52
|
54
|
27
|
28
|
22
|
24
|
42
|
114
|
46
|
42
|
|
2024/12
|
45
|
50
|
41
|
43
|
38
|
65
|
57
|
34
|
34
|
31
|
44
|
27
|
25
|
54
|
42
|
39
|
54
|
51
|
43
|
51
|
41
|
52
|
69
|
45
|
38
|
37
|
60
|
67
|
61
|
58
|
58
|
|
2024/11
|
24
|
16
|
30
|
42
|
41
|
47
|
40
|
32
|
33
|
32
|
45
|
39
|
27
|
15
|
35
|
29
|
20
|
31
|
17
|
8
|
13
|
24
|
35
|
41
|
28
|
14
|
21
|
17
|
21
|
39
|
|
|
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
|
|
|
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