Air Quality
Excellent
No health implications.
2
PM2.5
9
PM10
56
O3
0.4
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
63
Good
Mon
14 Sep
39
Excellent
Tue
15 Sep
37
Excellent
Wed
16 Sep
45
Excellent
Thu
17 Sep
50
Excellent
Fri
18 Sep
42
Excellent
Sat
19 Sep
42
Excellent
Air quality in the last 12 months (Ding'an)
|
2026/08
|
14
|
14
|
16
|
15
|
14
|
15
|
17
|
20
|
30
|
32
|
38
|
26
|
22
|
27
|
25
|
23
|
24
|
28
|
20
|
17
|
15
|
16
|
18
|
20
|
17
|
21
|
28
|
25
|
22
|
20
|
20
|
|
2026/07
|
18
|
17
|
16
|
16
|
22
|
17
|
15
|
16
|
23
|
20
|
24
|
21
|
24
|
26
|
23
|
22
|
21
|
24
|
33
|
36
|
35
|
38
|
32
|
35
|
33
|
28
|
26
|
20
|
16
|
14
|
12
|
|
2026/06
|
23
|
26
|
27
|
27
|
26
|
23
|
24
|
24
|
24
|
29
|
33
|
27
|
23
|
22
|
27
|
24
|
25
|
25
|
24
|
22
|
21
|
23
|
24
|
28
|
27
|
28
|
26
|
22
|
20
|
19
|
|
|
2026/05
|
33
|
27
|
28
|
24
|
30
|
24
|
20
|
20
|
17
|
22
|
24
|
25
|
23
|
27
|
27
|
20
|
20
|
18
|
20
|
20
|
21
|
20
|
19
|
22
|
23
|
26
|
26
|
23
|
26
|
24
|
18
|
|
2026/04
|
43
|
36
|
35
|
36
|
50
|
47
|
48
|
44
|
31
|
32
|
43
|
43
|
35
|
32
|
28
|
29
|
28
|
25
|
31
|
30
|
27
|
32
|
48
|
30
|
29
|
30
|
20
|
25
|
29
|
25
|
|
|
2026/03
|
16
|
20
|
25
|
12
|
22
|
29
|
34
|
37
|
33
|
26
|
36
|
36
|
42
|
46
|
41
|
38
|
29
|
27
|
26
|
22
|
23
|
29
|
29
|
26
|
26
|
26
|
28
|
31
|
29
|
25
|
33
|
|
2026/02
|
28
|
31
|
30
|
38
|
31
|
21
|
21
|
35
|
39
|
35
|
30
|
25
|
33
|
29
|
27
|
28
|
31
|
40
|
36
|
34
|
35
|
28
|
27
|
29
|
38
|
31
|
36
|
17
|
|||
|
2026/01
|
33
|
42
|
35
|
40
|
44
|
51
|
45
|
39
|
47
|
44
|
46
|
47
|
53
|
51
|
36
|
37
|
37
|
43
|
32
|
38
|
50
|
48
|
43
|
43
|
24
|
28
|
33
|
44
|
32
|
29
|
25
|
|
2025/12
|
44
|
26
|
35
|
53
|
43
|
52
|
43
|
62
|
51
|
42
|
49
|
38
|
38
|
27
|
48
|
40
|
51
|
47
|
44
|
37
|
34
|
42
|
37
|
34
|
31
|
33
|
39
|
39
|
43
|
40
|
50
|
|
2025/11
|
40
|
41
|
40
|
20
|
21
|
28
|
16
|
17
|
30
|
38
|
36
|
28
|
49
|
36
|
40
|
41
|
36
|
50
|
27
|
34
|
39
|
41
|
47
|
51
|
47
|
52
|
50
|
53
|
59
|
36
|
|
|
2025/10
|
16
|
13
|
13
|
16
|
25
|
16
|
23
|
18
|
21
|
25
|
23
|
16
|
10
|
12
|
16
|
22
|
23
|
30
|
34
|
28
|
21
|
20
|
21
|
26
|
37
|
41
|
35
|
37
|
36
|
23
|
42
|
|
2025/09
|
12
|
15
|
14
|
15
|
15
|
16
|
25
|
18
|
19
|
17
|
18
|
14
|
14
|
15
|
24
|
14
|
14
|
16
|
27
|
25
|
23
|
12
|
24
|
20
|
19
|
17
|
25
|
17
|
24
|
17
|
|
|
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