Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
35
O3
0.4
CO
2
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jun
62
Good
Wed
18 Jun
64
Good
Thu
19 Jun
59
Good
Fri
20 Jun
57
Good
Sat
21 Jun
61
Good
Sun
22 Jun
63
Good
Mon
23 Jun
24
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
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
|
|
|
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