Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
42
O3
0.4
CO
4
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Sep
32
Excellent
Wed
10 Sep
34
Excellent
Thu
11 Sep
37
Excellent
Fri
12 Sep
37
Excellent
Sat
13 Sep
38
Excellent
Sun
14 Sep
44
Excellent
Mon
15 Sep
19
Excellent
Air quality in the last 12 months (Yiliang)
|
2025/08
|
32
|
31
|
21
|
20
|
32
|
28
|
16
|
9
|
13
|
15
|
16
|
17
|
20
|
38
|
29
|
10
|
11
|
19
|
24
|
21
|
11
|
7
|
9
|
14
|
12
|
10
|
12
|
14
|
12
|
12
|
20
|
|
2025/07
|
11
|
8
|
13
|
15
|
16
|
17
|
20
|
12
|
17
|
19
|
21
|
26
|
33
|
28
|
30
|
33
|
26
|
29
|
17
|
23
|
17
|
12
|
11
|
10
|
13
|
14
|
16
|
27
|
41
|
26
|
22
|
|
2025/06
|
13
|
20
|
17
|
22
|
25
|
31
|
33
|
33
|
31
|
31
|
32
|
37
|
43
|
39
|
16
|
22
|
15
|
9
|
12
|
14
|
20
|
11
|
15
|
10
|
9
|
12
|
14
|
14
|
14
|
15
|
|
|
2025/05
|
39
|
27
|
24
|
19
|
27
|
31
|
30
|
31
|
45
|
32
|
24
|
32
|
28
|
33
|
28
|
24
|
30
|
28
|
34
|
26
|
34
|
31
|
52
|
32
|
18
|
17
|
14
|
14
|
13
|
13
|
11
|
|
2025/04
|
37
|
52
|
80
|
84
|
87
|
71
|
69
|
65
|
61
|
68
|
56
|
50
|
80
|
67
|
59
|
26
|
25
|
32
|
33
|
37
|
31
|
29
|
41
|
50
|
45
|
59
|
63
|
53
|
32
|
31
|
|
|
2025/03
|
44
|
45
|
47
|
47
|
54
|
47
|
39
|
55
|
47
|
44
|
51
|
61
|
61
|
68
|
61
|
35
|
27
|
21
|
37
|
45
|
64
|
65
|
57
|
48
|
42
|
44
|
45
|
84
|
104
|
62
|
54
|
|
2025/02
|
43
|
50
|
26
|
42
|
53
|
50
|
28
|
39
|
44
|
34
|
37
|
55
|
56
|
56
|
56
|
59
|
38
|
38
|
46
|
46
|
57
|
49
|
53
|
31
|
31
|
28
|
29
|
40
|
|||
|
2025/01
|
34
|
44
|
45
|
43
|
38
|
54
|
43
|
41
|
42
|
24
|
20
|
46
|
41
|
47
|
70
|
76
|
50
|
44
|
72
|
52
|
49
|
48
|
40
|
24
|
30
|
30
|
43
|
49
|
80
|
34
|
33
|
|
2024/12
|
20
|
28
|
21
|
22
|
29
|
26
|
31
|
37
|
16
|
21
|
31
|
28
|
47
|
39
|
45
|
41
|
29
|
29
|
42
|
33
|
37
|
32
|
36
|
36
|
37
|
46
|
48
|
36
|
32
|
28
|
48
|
|
2024/11
|
28
|
31
|
46
|
38
|
42
|
49
|
37
|
29
|
24
|
35
|
30
|
21
|
22
|
28
|
36
|
30
|
39
|
35
|
37
|
34
|
20
|
31
|
19
|
18
|
23
|
33
|
25
|
32
|
24
|
22
|
|
|
2024/10
|
13
|
19
|
31
|
27
|
22
|
30
|
34
|
35
|
30
|
20
|
23
|
23
|
25
|
25
|
25
|
16
|
15
|
29
|
40
|
26
|
20
|
26
|
27
|
39
|
39
|
36
|
44
|
45
|
51
|
45
|
36
|
|
2024/09
|
26
|
24
|
23
|
22
|
20
|
36
|
31
|
13
|
11
|
11
|
16
|
18
|
30
|
34
|
34
|
26
|
21
|
23
|
25
|
34
|
31
|
20
|
24
|
41
|
40
|
40
|
31
|
19
|
21
|
24
|
|
|
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