Air Quality
Excellent
No health implications.
15
PM2.5
44
PM10
93
O3
0.5
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
85
Good
Mon
29 May
85
Good
Tue
30 May
94
Good
Wed
31 May
86
Good
Thu
1 Jun
74
Good
Fri
2 Jun
79
Good
Sat
3 Jun
63
Good
Air quality in the last 12 months (Chengqu)
|
2023/04
|
30
|
31
|
33
|
45
|
28
|
21
|
23
|
47
|
52
|
39
|
31
|
34
|
58
|
65
|
49
|
44
|
40
|
29
|
30
|
31
|
29
|
34
|
44
|
50
|
32
|
20
|
42
|
36
|
33
|
33
|
|
|
2023/03
|
52
|
64
|
53
|
48
|
52
|
49
|
41
|
43
|
48
|
54
|
44
|
46
|
53
|
52
|
45
|
51
|
35
|
38
|
33
|
35
|
33
|
22
|
24
|
39
|
27
|
17
|
23
|
29
|
36
|
40
|
31
|
|
2023/02
|
45
|
50
|
40
|
40
|
41
|
44
|
35
|
25
|
25
|
35
|
27
|
29
|
26
|
19
|
29
|
40
|
40
|
59
|
50
|
70
|
59
|
32
|
34
|
43
|
54
|
43
|
36
|
38
|
|||
|
2023/01
|
44
|
39
|
45
|
40
|
40
|
39
|
38
|
52
|
45
|
17
|
38
|
33
|
28
|
18
|
18
|
15
|
28
|
35
|
39
|
41
|
46
|
77
|
58
|
37
|
55
|
48
|
48
|
53
|
47
|
44
|
42
|
|
2022/12
|
11
|
13
|
20
|
22
|
18
|
21
|
23
|
35
|
33
|
29
|
41
|
35
|
33
|
15
|
14
|
12
|
27
|
24
|
30
|
38
|
34
|
35
|
38
|
43
|
46
|
42
|
43
|
46
|
70
|
49
|
31
|
|
2022/11
|
28
|
18
|
22
|
27
|
29
|
29
|
26
|
26
|
31
|
31
|
27
|
24
|
42
|
35
|
35
|
30
|
34
|
34
|
35
|
38
|
34
|
41
|
26
|
20
|
19
|
15
|
39
|
37
|
17
|
20
|
|
|
2022/10
|
22
|
22
|
21
|
35
|
34
|
27
|
28
|
31
|
36
|
27
|
41
|
42
|
38
|
39
|
36
|
39
|
38
|
41
|
35
|
38
|
38
|
36
|
39
|
47
|
41
|
35
|
33
|
38
|
38
|
28
|
35
|
|
2022/09
|
26
|
28
|
45
|
32
|
43
|
48
|
32
|
38
|
49
|
53
|
51
|
55
|
48
|
45
|
40
|
47
|
56
|
50
|
45
|
55
|
47
|
42
|
40
|
45
|
46
|
40
|
29
|
25
|
28
|
21
|
|
|
2022/08
|
26
|
21
|
21
|
20
|
16
|
14
|
15
|
15
|
14
|
16
|
14
|
16
|
17
|
19
|
17
|
14
|
13
|
16
|
14
|
15
|
16
|
21
|
39
|
27
|
21
|
18
|
29
|
35
|
26
|
25
|
26
|
|
2022/07
|
16
|
20
|
30
|
33
|
29
|
22
|
16
|
16
|
17
|
15
|
18
|
17
|
18
|
18
|
18
|
23
|
27
|
24
|
20
|
16
|
16
|
37
|
25
|
26
|
32
|
24
|
19
|
28
|
32
|
59
|
58
|
|
2022/06
|
20
|
17
|
22
|
28
|
28
|
22
|
16
|
17
|
17
|
18
|
19
|
19
|
22
|
20
|
18
|
15
|
14
|
15
|
18
|
20
|
20
|
18
|
16
|
20
|
18
|
16
|
17
|
16
|
16
|
15
|
|
|
2022/05
|
20
|
18
|
31
|
38
|
43
|
35
|
34
|
40
|
41
|
24
|
19
|
14
|
17
|
21
|
27
|
20
|
27
|
39
|
36
|
36
|
34
|
32
|
29
|
22
|
20
|
22
|
17
|
18
|
16
|
16
|
18
|
|
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