Air Quality
Excellent
No health implications.
19
PM2.5
23
PM10
37
O3
0.7
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Mar
60
Good
Wed
11 Mar
58
Good
Thu
12 Mar
55
Good
Fri
13 Mar
55
Good
Sat
14 Mar
53
Good
Sun
15 Mar
55
Good
Mon
16 Mar
44
Excellent
Air quality in the last 12 months (Yimen)
|
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
|
|
|
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
|
|
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