Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
23
O3
0.4
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
39
Excellent
Sat
24 Oct
41
Excellent
Sun
25 Oct
39
Excellent
Mon
26 Oct
40
Excellent
Tue
27 Oct
40
Excellent
Wed
28 Oct
41
Excellent
Thu
29 Oct
31
Excellent
Air quality in the last 12 months (Yimen)
|
2026/08
|
18
|
16
|
18
|
25
|
35
|
27
|
21
|
23
|
28
|
26
|
32
|
29
|
34
|
33
|
33
|
28
|
18
|
20
|
20
|
25
|
27
|
25
|
32
|
29
|
32
|
22
|
24
|
25
|
21
|
20
|
28
|
|
2026/07
|
21
|
15
|
16
|
20
|
20
|
17
|
18
|
22
|
26
|
21
|
19
|
22
|
23
|
23
|
19
|
16
|
18
|
22
|
28
|
41
|
35
|
32
|
25
|
28
|
23
|
20
|
20
|
20
|
16
|
16
|
19
|
|
2026/06
|
21
|
21
|
20
|
26
|
30
|
27
|
24
|
24
|
27
|
27
|
28
|
18
|
15
|
17
|
17
|
15
|
16
|
16
|
17
|
18
|
18
|
17
|
16
|
18
|
19
|
18
|
19
|
16
|
21
|
21
|
|
|
2026/05
|
26
|
25
|
22
|
25
|
31
|
30
|
34
|
41
|
34
|
23
|
21
|
20
|
24
|
29
|
31
|
35
|
38
|
39
|
40
|
43
|
36
|
33
|
30
|
27
|
28
|
38
|
39
|
42
|
32
|
26
|
24
|
|
2026/04
|
40
|
39
|
39
|
42
|
41
|
36
|
39
|
51
|
37
|
37
|
37
|
39
|
49
|
62
|
70
|
57
|
54
|
54
|
58
|
44
|
50
|
55
|
54
|
57
|
44
|
48
|
39
|
32
|
28
|
29
|
|
|
2026/03
|
51
|
53
|
53
|
54
|
66
|
75
|
66
|
76
|
42
|
28
|
48
|
46
|
31
|
28
|
28
|
32
|
40
|
35
|
45
|
35
|
54
|
48
|
34
|
44
|
64
|
45
|
39
|
59
|
39
|
33
|
38
|
|
2026/02
|
35
|
35
|
39
|
41
|
38
|
45
|
54
|
49
|
35
|
32
|
32
|
28
|
29
|
38
|
45
|
65
|
115
|
55
|
47
|
33
|
27
|
28
|
41
|
44
|
47
|
41
|
36
|
46
|
|||
|
2026/01
|
50
|
36
|
30
|
24
|
31
|
32
|
29
|
32
|
29
|
31
|
40
|
32
|
46
|
38
|
41
|
36
|
38
|
35
|
34
|
32
|
27
|
33
|
35
|
37
|
31
|
34
|
36
|
38
|
33
|
37
|
42
|
|
2025/12
|
40
|
38
|
46
|
37
|
33
|
31
|
38
|
40
|
30
|
35
|
35
|
34
|
49
|
52
|
35
|
29
|
40
|
34
|
27
|
32
|
39
|
26
|
31
|
31
|
40
|
42
|
34
|
34
|
29
|
30
|
31
|
|
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
|
|
|
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