Air Quality
Excellent
No health implications.
21
PM2.5
35
PM10
103
O3
0.6
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
61
Good
Tue
10 Feb
55
Good
Wed
11 Feb
57
Good
Thu
12 Feb
58
Good
Fri
13 Feb
62
Good
Sat
14 Feb
62
Good
Sun
15 Feb
37
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
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
|
|||
|
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