Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
47
O3
0.3
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jul
27
Excellent
Thu
10 Jul
28
Excellent
Fri
11 Jul
31
Excellent
Sat
12 Jul
30
Excellent
Sun
13 Jul
31
Excellent
Mon
14 Jul
28
Excellent
Tue
15 Jul
38
Excellent
Air quality in the last 12 months (Ding'an)
|
2025/06
|
21
|
21
|
28
|
24
|
13
|
18
|
22
|
24
|
22
|
28
|
18
|
14
|
12
|
13
|
18
|
18
|
21
|
16
|
14
|
16
|
15
|
12
|
12
|
14
|
10
|
9
|
11
|
15
|
16
|
15
|
|
|
2025/05
|
22
|
22
|
29
|
24
|
20
|
22
|
19
|
16
|
24
|
16
|
23
|
34
|
23
|
13
|
11
|
18
|
15
|
18
|
17
|
16
|
18
|
15
|
17
|
13
|
27
|
36
|
27
|
18
|
14
|
11
|
12
|
|
2025/04
|
17
|
33
|
30
|
32
|
35
|
21
|
36
|
32
|
34
|
36
|
29
|
31
|
142
|
161
|
136
|
110
|
79
|
48
|
35
|
26
|
29
|
27
|
28
|
26
|
24
|
22
|
17
|
26
|
35
|
31
|
|
|
2025/03
|
25
|
23
|
28
|
25
|
22
|
12
|
28
|
18
|
34
|
41
|
35
|
24
|
20
|
19
|
25
|
15
|
33
|
38
|
47
|
48
|
43
|
42
|
37
|
42
|
42
|
34
|
35
|
30
|
16
|
8
|
14
|
|
2025/02
|
29
|
17
|
28
|
23
|
26
|
33
|
40
|
31
|
52
|
39
|
29
|
20
|
30
|
22
|
16
|
19
|
28
|
47
|
41
|
32
|
33
|
22
|
23
|
27
|
25
|
36
|
35
|
25
|
|||
|
2025/01
|
61
|
46
|
60
|
50
|
57
|
74
|
43
|
50
|
59
|
60
|
43
|
41
|
41
|
33
|
40
|
57
|
59
|
47
|
49
|
62
|
41
|
53
|
45
|
39
|
27
|
27
|
31
|
32
|
49
|
45
|
41
|
|
2024/12
|
36
|
31
|
30
|
29
|
34
|
34
|
49
|
37
|
35
|
27
|
30
|
42
|
35
|
37
|
53
|
42
|
36
|
45
|
44
|
49
|
48
|
46
|
51
|
53
|
49
|
41
|
57
|
63
|
56
|
42
|
54
|
|
2024/11
|
50
|
43
|
32
|
32
|
42
|
47
|
51
|
47
|
53
|
46
|
44
|
44
|
53
|
55
|
41
|
42
|
24
|
28
|
26
|
8
|
15
|
26
|
32
|
27
|
26
|
27
|
33
|
36
|
38
|
45
|
|
|
2024/10
|
30
|
31
|
42
|
47
|
38
|
40
|
33
|
53
|
62
|
51
|
37
|
32
|
27
|
19
|
15
|
12
|
12
|
16
|
19
|
26
|
30
|
38
|
28
|
36
|
40
|
45
|
24
|
29
|
19
|
32
|
41
|
|
2024/09
|
13
|
18
|
18
|
27
|
29
|
21
|
18
|
28
|
21
|
11
|
12
|
20
|
25
|
22
|
27
|
27
|
22
|
21
|
16
|
11
|
15
|
11
|
17
|
17
|
23
|
30
|
26
|
22
|
20
|
20
|
|
|
2024/08
|
22
|
23
|
20
|
22
|
22
|
25
|
24
|
24
|
23
|
27
|
26
|
25
|
21
|
22
|
24
|
22
|
17
|
18
|
22
|
20
|
21
|
21
|
19
|
23
|
18
|
22
|
21
|
23
|
27
|
21
|
16
|
|
2024/07
|
19
|
21
|
16
|
13
|
12
|
12
|
11
|
13
|
15
|
17
|
18
|
15
|
13
|
14
|
13
|
13
|
10
|
12
|
15
|
15
|
13
|
10
|
13
|
18
|
16
|
16
|
24
|
24
|
18
|
16
|
21
|
|
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