Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
25
O3
0.7
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Oct
34
Excellent
Wed
22 Oct
35
Excellent
Thu
23 Oct
35
Excellent
Fri
24 Oct
33
Excellent
Sat
25 Oct
38
Excellent
Sun
26 Oct
35
Excellent
Mon
27 Oct
47
Excellent
Yimen Air quality rank
Air quality in the last 12 months (Yimen)
|
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
|
|
2024/11
|
34
|
35
|
43
|
45
|
47
|
54
|
29
|
20
|
17
|
27
|
25
|
24
|
22
|
27
|
26
|
31
|
34
|
35
|
33
|
33
|
25
|
20
|
22
|
19
|
28
|
33
|
26
|
21
|
20
|
14
|
|
|
2024/10
|
11
|
19
|
22
|
19
|
19
|
26
|
31
|
36
|
23
|
15
|
21
|
25
|
22
|
28
|
25
|
25
|
19
|
29
|
39
|
33
|
19
|
22
|
19
|
26
|
28
|
34
|
47
|
47
|
47
|
41
|
37
|
|
2024/09
|
22
|
25
|
23
|
23
|
16
|
30
|
32
|
15
|
12
|
14
|
17
|
20
|
28
|
30
|
31
|
21
|
22
|
19
|
28
|
33
|
35
|
19
|
22
|
38
|
38
|
40
|
29
|
19
|
19
|
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