Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
6
O3
0.4
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Sep
52
Good
Wed
10 Sep
46
Excellent
Thu
11 Sep
52
Good
Fri
12 Sep
51
Good
Sat
13 Sep
53
Good
Sun
14 Sep
53
Good
Mon
15 Sep
20
Excellent
Yimei Air quality rank
Air quality in the last 12 months (Yimei)
|
2025/08
|
20
|
18
|
21
|
25
|
21
|
21
|
26
|
18
|
30
|
22
|
20
|
19
|
19
|
28
|
21
|
25
|
28
|
22
|
22
|
24
|
25
|
26
|
21
|
25
|
22
|
21
|
22
|
21
|
26
|
27
|
26
|
|
2025/07
|
23
|
21
|
23
|
21
|
21
|
24
|
34
|
25
|
20
|
19
|
27
|
24
|
23
|
20
|
25
|
23
|
22
|
21
|
23
|
24
|
27
|
28
|
32
|
34
|
25
|
22
|
26
|
17
|
18
|
24
|
24
|
|
2025/06
|
27
|
25
|
21
|
19
|
22
|
22
|
20
|
23
|
22
|
21
|
20
|
21
|
29
|
23
|
22
|
28
|
23
|
26
|
22
|
21
|
19
|
22
|
27
|
29
|
29
|
25
|
29
|
38
|
24
|
19
|
|
|
2025/05
|
35
|
32
|
21
|
21
|
23
|
22
|
26
|
25
|
28
|
28
|
49
|
64
|
59
|
43
|
37
|
28
|
22
|
25
|
33
|
29
|
19
|
26
|
23
|
24
|
17
|
20
|
23
|
38
|
43
|
44
|
49
|
|
2025/04
|
51
|
36
|
36
|
38
|
45
|
41
|
40
|
35
|
42
|
46
|
34
|
83
|
35
|
19
|
19
|
18
|
35
|
56
|
23
|
18
|
39
|
25
|
31
|
30
|
25
|
17
|
25
|
21
|
29
|
26
|
|
|
2025/03
|
25
|
26
|
26
|
25
|
32
|
28
|
28
|
27
|
30
|
86
|
26
|
42
|
26
|
25
|
24
|
23
|
23
|
26
|
33
|
49
|
30
|
23
|
18
|
25
|
23
|
24
|
22
|
18
|
18
|
23
|
38
|
|
2025/02
|
44
|
62
|
42
|
30
|
30
|
33
|
35
|
23
|
29
|
46
|
35
|
53
|
59
|
43
|
35
|
23
|
21
|
22
|
20
|
22
|
19
|
20
|
28
|
41
|
47
|
28
|
35
|
44
|
|||
|
2025/01
|
54
|
64
|
59
|
86
|
51
|
46
|
55
|
25
|
31
|
41
|
57
|
49
|
56
|
81
|
48
|
37
|
33
|
45
|
61
|
38
|
44
|
49
|
55
|
77
|
50
|
38
|
35
|
69
|
68
|
41
|
45
|
|
2024/12
|
27
|
31
|
26
|
28
|
25
|
27
|
34
|
39
|
42
|
47
|
38
|
34
|
34
|
43
|
40
|
30
|
27
|
28
|
46
|
51
|
36
|
46
|
36
|
44
|
39
|
27
|
45
|
55
|
50
|
47
|
45
|
|
2024/11
|
44
|
22
|
30
|
23
|
21
|
22
|
34
|
30
|
42
|
47
|
46
|
29
|
36
|
79
|
58
|
37
|
21
|
23
|
47
|
53
|
47
|
30
|
30
|
31
|
32
|
30
|
30
|
28
|
32
|
22
|
|
|
2024/10
|
20
|
35
|
48
|
36
|
47
|
30
|
35
|
49
|
45
|
40
|
31
|
27
|
30
|
43
|
25
|
28
|
37
|
31
|
24
|
58
|
37
|
39
|
26
|
32
|
48
|
27
|
38
|
59
|
54
|
42
|
50
|
|
2024/09
|
19
|
18
|
22
|
21
|
21
|
22
|
28
|
22
|
23
|
24
|
32
|
25
|
23
|
27
|
28
|
26
|
28
|
37
|
29
|
22
|
25
|
26
|
31
|
29
|
24
|
27
|
23
|
21
|
27
|
27
|
|
|
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