Air Quality
Excellent
No health implications.
29
PM2.5
44
PM10
68
O3
0.7
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Dec
60
Good
Sun
3 Dec
56
Good
Mon
4 Dec
59
Good
Tue
5 Dec
58
Good
Wed
6 Dec
59
Good
Thu
7 Dec
59
Good
Fri
8 Dec
46
Excellent
Air quality in the last 12 months (Ding'an)
|
2023/10
|
22
|
27
|
23
|
29
|
31
|
35
|
37
|
36
|
26
|
18
|
18
|
31
|
34
|
37
|
51
|
44
|
40
|
23
|
19
|
15
|
20
|
31
|
36
|
31
|
26
|
21
|
13
|
14
|
27
|
34
|
43
|
|
2023/09
|
40
|
34
|
23
|
25
|
32
|
26
|
23
|
19
|
16
|
21
|
18
|
17
|
20
|
18
|
19
|
13
|
13
|
15
|
18
|
18
|
18
|
19
|
15
|
16
|
10
|
11
|
13
|
22
|
19
|
19
|
|
|
2023/08
|
20
|
18
|
12
|
17
|
25
|
30
|
31
|
24
|
23
|
30
|
25
|
19
|
24
|
25
|
24
|
29
|
29
|
29
|
27
|
19
|
17
|
19
|
20
|
21
|
23
|
25
|
26
|
24
|
22
|
24
|
32
|
|
2023/07
|
20
|
16
|
16
|
18
|
19
|
31
|
13
|
14
|
14
|
18
|
17
|
17
|
17
|
19
|
24
|
22
|
23
|
23
|
17
|
23
|
15
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
31
|
22
|
18
|
|
2023/06
|
35
|
26
|
27
|
23
|
18
|
19
|
17
|
22
|
26
|
24
|
21
|
32
|
27
|
25
|
27
|
21
|
24
|
20
|
21
|
22
|
21
|
22
|
21
|
21
|
25
|
19
|
16
|
18
|
19
|
19
|
|
|
2023/05
|
31
|
27
|
23
|
26
|
25
|
31
|
35
|
21
|
16
|
22
|
13
|
14
|
15
|
16
|
24
|
24
|
35
|
47
|
47
|
35
|
36
|
33
|
54
|
32
|
25
|
22
|
18
|
26
|
25
|
34
|
32
|
|
2023/04
|
29
|
29
|
24
|
27
|
28
|
33
|
33
|
23
|
42
|
32
|
36
|
33
|
37
|
34
|
31
|
47
|
39
|
33
|
37
|
49
|
52
|
36
|
29
|
19
|
29
|
27
|
25
|
22
|
26
|
25
|
|
|
2023/03
|
30
|
51
|
53
|
53
|
54
|
45
|
38
|
34
|
36
|
39
|
40
|
33
|
61
|
52
|
36
|
25
|
31
|
30
|
23
|
25
|
35
|
43
|
40
|
31
|
26
|
25
|
18
|
22
|
29
|
30
|
28
|
|
2023/02
|
26
|
28
|
46
|
30
|
27
|
23
|
20
|
18
|
24
|
22
|
18
|
19
|
21
|
27
|
30
|
38
|
32
|
33
|
34
|
59
|
50
|
44
|
30
|
42
|
70
|
40
|
42
|
30
|
|||
|
2023/01
|
36
|
36
|
50
|
38
|
45
|
48
|
50
|
27
|
27
|
14
|
25
|
24
|
19
|
21
|
28
|
21
|
23
|
26
|
39
|
44
|
42
|
53
|
38
|
41
|
58
|
31
|
33
|
55
|
55
|
51
|
41
|
|
2022/12
|
18
|
14
|
21
|
30
|
32
|
32
|
38
|
35
|
38
|
31
|
39
|
52
|
54
|
51
|
34
|
18
|
39
|
42
|
35
|
39
|
41
|
47
|
44
|
37
|
35
|
33
|
30
|
38
|
65
|
57
|
43
|
|
2022/11
|
45
|
45
|
30
|
22
|
19
|
21
|
19
|
17
|
29
|
27
|
24
|
20
|
21
|
24
|
29
|
26
|
27
|
25
|
27
|
36
|
28
|
10
|
11
|
13
|
19
|
20
|
14
|
17
|
16
|
20
|
|
|
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