Air Quality
Excellent
No health implications.
16
PM2.5
24
PM10
29
O3
0.6
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
56
Good
Mon
21 Apr
59
Good
Tue
22 Apr
59
Good
Wed
23 Apr
56
Good
Thu
24 Apr
60
Good
Fri
25 Apr
18
Excellent
Sat
26 Apr
47
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
2024/08
|
28
|
24
|
21
|
28
|
28
|
28
|
28
|
19
|
16
|
20
|
22
|
18
|
19
|
17
|
19
|
17
|
13
|
20
|
16
|
18
|
15
|
21
|
21
|
29
|
23
|
22
|
19
|
29
|
30
|
26
|
16
|
|
2024/07
|
23
|
18
|
11
|
16
|
12
|
13
|
10
|
16
|
14
|
11
|
8
|
9
|
10
|
15
|
13
|
12
|
15
|
16
|
17
|
18
|
15
|
15
|
12
|
27
|
34
|
19
|
17
|
9
|
11
|
12
|
15
|
|
2024/06
|
20
|
19
|
14
|
24
|
20
|
24
|
16
|
21
|
15
|
14
|
15
|
25
|
25
|
29
|
21
|
19
|
17
|
15
|
17
|
11
|
16
|
23
|
11
|
13
|
15
|
11
|
14
|
13
|
12
|
21
|
|
|
2024/05
|
16
|
23
|
27
|
27
|
12
|
24
|
33
|
39
|
40
|
35
|
31
|
23
|
23
|
28
|
32
|
48
|
35
|
30
|
33
|
17
|
11
|
12
|
11
|
9
|
12
|
16
|
21
|
15
|
26
|
22
|
16
|
|
2024/04
|
34
|
36
|
19
|
29
|
45
|
25
|
28
|
32
|
20
|
37
|
42
|
40
|
33
|
25
|
20
|
30
|
23
|
27
|
45
|
35
|
20
|
25
|
19
|
25
|
22
|
20
|
14
|
15
|
19
|
18
|
|
|
2024/03
|
16
|
16
|
30
|
36
|
49
|
39
|
33
|
35
|
61
|
50
|
27
|
22
|
57
|
57
|
67
|
66
|
48
|
35
|
34
|
52
|
52
|
52
|
45
|
25
|
24
|
35
|
34
|
32
|
38
|
45
|
22
|
|
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