Air Quality
Excellent
No health implications.
14
PM2.5
25
PM10
109
O3
0.6
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
84
Good
Sun
1 Jun
59
Good
Mon
2 Jun
61
Good
Tue
3 Jun
65
Good
Wed
4 Jun
62
Good
Thu
5 Jun
64
Good
Fri
6 Jun
43
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
|
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
|
|
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