Air Quality
Excellent
No health implications.
18
PM2.5
32
PM10
107
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Mar
55
Good
Mon
10 Mar
63
Good
Tue
11 Mar
60
Good
Wed
12 Mar
58
Good
Thu
13 Mar
62
Good
Fri
14 Mar
61
Good
Sat
15 Mar
35
Excellent
Air quality in the last 12 months (Chengqu)
|
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
|
|
2024/02
|
36
|
39
|
29
|
28
|
27
|
32
|
28
|
10
|
23
|
66
|
63
|
50
|
57
|
61
|
45
|
39
|
30
|
34
|
27
|
26
|
20
|
22
|
32
|
31
|
28
|
44
|
37
|
36
|
37
|
||
|
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