Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
87
O3
0.7
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Mar
60
Good
Sat
21 Mar
59
Good
Sun
22 Mar
62
Good
Mon
23 Mar
57
Good
Tue
24 Mar
58
Good
Wed
25 Mar
28
Excellent
Thu
26 Mar
23
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
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
|
|
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