Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
106
O3
0.4
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Feb
47
Excellent
Fri
13 Feb
46
Excellent
Sat
14 Feb
45
Excellent
Sun
15 Feb
45
Excellent
Mon
16 Feb
49
Excellent
Tue
17 Feb
70
Good
Wed
18 Feb
27
Excellent
Air quality in the last 12 months (Ding'an)
|
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
|
|
|
2025/08
|
26
|
29
|
33
|
30
|
27
|
37
|
30
|
23
|
24
|
21
|
19
|
21
|
20
|
19
|
14
|
12
|
14
|
8
|
15
|
20
|
19
|
16
|
25
|
20
|
15
|
14
|
14
|
15
|
16
|
17
|
15
|
|
2025/07
|
15
|
13
|
11
|
13
|
16
|
18
|
18
|
25
|
26
|
26
|
21
|
22
|
27
|
29
|
34
|
26
|
21
|
25
|
18
|
13
|
10
|
17
|
19
|
14
|
18
|
20
|
21
|
16
|
21
|
21
|
20
|
|
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
|
|||
|
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