Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
39
O3
0.5
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Oct
40
Excellent
Sat
17 Oct
42
Excellent
Sun
18 Oct
40
Excellent
Mon
19 Oct
38
Excellent
Tue
20 Oct
38
Excellent
Wed
21 Oct
46
Excellent
Thu
22 Oct
18
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