Air Quality
Excellent
No health implications.
30
PM2.5
50
PM10
20
O3
0.6
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Dec
35
Excellent
Fri
12 Dec
36
Excellent
Sat
13 Dec
36
Excellent
Sun
14 Dec
35
Excellent
Mon
15 Dec
35
Excellent
Tue
16 Dec
32
Excellent
Wed
17 Dec
46
Excellent
Air quality in the last 12 months (Yimen)
|
2025/11
|
25
|
10
|
8
|
16
|
15
|
13
|
22
|
21
|
10
|
14
|
20
|
22
|
25
|
27
|
30
|
30
|
32
|
24
|
13
|
26
|
29
|
31
|
24
|
36
|
36
|
46
|
39
|
45
|
44
|
47
|
|
|
2025/10
|
10
|
13
|
12
|
17
|
21
|
21
|
9
|
9
|
14
|
16
|
18
|
21
|
24
|
26
|
25
|
16
|
12
|
15
|
20
|
26
|
17
|
17
|
18
|
33
|
31
|
19
|
20
|
27
|
20
|
24
|
29
|
|
2025/09
|
22
|
21
|
17
|
17
|
17
|
20
|
20
|
21
|
16
|
17
|
14
|
14
|
13
|
11
|
16
|
15
|
17
|
21
|
20
|
20
|
20
|
20
|
13
|
12
|
21
|
11
|
15
|
19
|
10
|
9
|
|
|
2025/08
|
20
|
25
|
22
|
16
|
18
|
22
|
14
|
13
|
13
|
16
|
16
|
15
|
16
|
25
|
29
|
15
|
14
|
20
|
26
|
19
|
12
|
9
|
10
|
13
|
14
|
14
|
13
|
16
|
16
|
21
|
22
|
|
2025/07
|
20
|
14
|
13
|
13
|
14
|
15
|
18
|
13
|
15
|
17
|
15
|
18
|
25
|
25
|
28
|
28
|
25
|
19
|
15
|
22
|
22
|
12
|
11
|
13
|
14
|
17
|
21
|
23
|
31
|
31
|
17
|
|
2025/06
|
11
|
11
|
12
|
16
|
20
|
31
|
28
|
31
|
22
|
31
|
32
|
35
|
41
|
37
|
21
|
22
|
15
|
9
|
10
|
14
|
21
|
12
|
12
|
11
|
14
|
15
|
15
|
17
|
14
|
16
|
|
|
2025/05
|
32
|
25
|
17
|
14
|
20
|
26
|
23
|
25
|
37
|
37
|
16
|
30
|
26
|
25
|
21
|
21
|
26
|
20
|
23
|
25
|
27
|
27
|
50
|
24
|
14
|
13
|
13
|
13
|
12
|
11
|
10
|
|
2025/04
|
44
|
62
|
74
|
76
|
76
|
65
|
69
|
62
|
62
|
61
|
49
|
37
|
57
|
43
|
33
|
20
|
18
|
24
|
27
|
31
|
28
|
26
|
34
|
48
|
51
|
60
|
63
|
62
|
39
|
27
|
|
|
2025/03
|
45
|
39
|
41
|
44
|
51
|
57
|
50
|
52
|
49
|
50
|
46
|
64
|
71
|
67
|
59
|
51
|
47
|
22
|
28
|
46
|
62
|
59
|
54
|
36
|
32
|
35
|
38
|
88
|
108
|
88
|
73
|
|
2025/02
|
49
|
51
|
35
|
40
|
50
|
52
|
42
|
42
|
40
|
34
|
43
|
47
|
55
|
58
|
58
|
66
|
48
|
45
|
48
|
53
|
55
|
52
|
53
|
32
|
30
|
26
|
31
|
43
|
|||
|
2025/01
|
43
|
34
|
44
|
40
|
36
|
48
|
39
|
38
|
38
|
40
|
25
|
39
|
43
|
41
|
73
|
64
|
48
|
41
|
48
|
45
|
44
|
39
|
35
|
25
|
27
|
32
|
40
|
60
|
72
|
39
|
34
|
|
2024/12
|
24
|
24
|
29
|
29
|
25
|
30
|
28
|
30
|
21
|
31
|
34
|
30
|
32
|
33
|
28
|
29
|
27
|
32
|
34
|
35
|
32
|
31
|
30
|
36
|
31
|
37
|
43
|
48
|
36
|
32
|
38
|
|
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