Air Quality
Excellent
No health implications.
15
PM2.5
41
PM10
16
O3
0.5
CO
12
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Oct
37
Excellent
Wed
29 Oct
36
Excellent
Thu
30 Oct
35
Excellent
Fri
31 Oct
35
Excellent
Sat
1 Nov
34
Excellent
Sun
2 Nov
47
Excellent
Mon
3 Nov
39
Excellent
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