Air Quality
Excellent
No health implications.
13
PM2.5
25
PM10
7
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Sep
37
Excellent
Mon
21 Sep
38
Excellent
Tue
22 Sep
39
Excellent
Wed
23 Sep
37
Excellent
Thu
24 Sep
37
Excellent
Fri
25 Sep
39
Excellent
Sat
26 Sep
33
Excellent
Air quality in the last 12 months (Yiliang)
|
2026/08
|
18
|
17
|
17
|
31
|
35
|
31
|
24
|
30
|
30
|
28
|
37
|
33
|
38
|
42
|
39
|
32
|
26
|
22
|
23
|
27
|
30
|
33
|
41
|
39
|
37
|
21
|
25
|
32
|
20
|
23
|
34
|
|
2026/07
|
21
|
17
|
18
|
18
|
28
|
19
|
26
|
25
|
30
|
29
|
23
|
20
|
28
|
33
|
28
|
20
|
22
|
22
|
37
|
47
|
45
|
40
|
32
|
29
|
24
|
21
|
27
|
18
|
17
|
19
|
21
|
|
2026/06
|
24
|
24
|
24
|
31
|
36
|
29
|
25
|
24
|
27
|
30
|
27
|
20
|
19
|
22
|
21
|
17
|
17
|
18
|
19
|
20
|
18
|
17
|
17
|
21
|
22
|
18
|
18
|
15
|
22
|
22
|
|
|
2026/05
|
27
|
25
|
22
|
29
|
38
|
31
|
37
|
38
|
34
|
25
|
25
|
22
|
25
|
31
|
35
|
40
|
38
|
40
|
38
|
40
|
34
|
31
|
31
|
27
|
30
|
40
|
45
|
41
|
26
|
37
|
27
|
|
2026/04
|
38
|
39
|
35
|
36
|
40
|
39
|
38
|
47
|
36
|
35
|
38
|
41
|
46
|
59
|
69
|
61
|
59
|
54
|
60
|
42
|
45
|
53
|
47
|
53
|
38
|
42
|
40
|
33
|
31
|
30
|
|
|
2026/03
|
49
|
53
|
57
|
43
|
66
|
59
|
67
|
59
|
24
|
33
|
51
|
48
|
40
|
34
|
29
|
32
|
39
|
34
|
42
|
40
|
51
|
49
|
30
|
44
|
67
|
44
|
44
|
61
|
42
|
33
|
36
|
|
2026/02
|
34
|
36
|
35
|
36
|
39
|
39
|
46
|
38
|
31
|
31
|
30
|
27
|
28
|
29
|
39
|
48
|
81
|
48
|
37
|
29
|
23
|
25
|
33
|
42
|
43
|
36
|
31
|
43
|
|||
|
2026/01
|
43
|
28
|
20
|
19
|
31
|
31
|
38
|
35
|
31
|
30
|
52
|
33
|
52
|
37
|
57
|
27
|
40
|
38
|
33
|
31
|
27
|
35
|
32
|
31
|
32
|
40
|
37
|
37
|
35
|
35
|
44
|
|
2025/12
|
50
|
47
|
64
|
35
|
36
|
37
|
44
|
52
|
34
|
44
|
49
|
33
|
64
|
49
|
27
|
32
|
48
|
33
|
22
|
33
|
39
|
24
|
34
|
29
|
44
|
43
|
39
|
37
|
29
|
30
|
28
|
|
2025/11
|
27
|
12
|
8
|
15
|
17
|
13
|
20
|
28
|
11
|
12
|
17
|
24
|
32
|
31
|
34
|
39
|
34
|
25
|
22
|
38
|
50
|
36
|
33
|
50
|
40
|
59
|
47
|
55
|
54
|
45
|
|
|
2025/10
|
8
|
9
|
13
|
13
|
17
|
21
|
7
|
8
|
11
|
14
|
20
|
19
|
25
|
30
|
29
|
18
|
15
|
19
|
25
|
27
|
15
|
20
|
20
|
32
|
33
|
27
|
26
|
28
|
26
|
35
|
39
|
|
2025/09
|
20
|
23
|
18
|
17
|
18
|
22
|
25
|
26
|
21
|
21
|
13
|
12
|
12
|
9
|
14
|
15
|
17
|
23
|
19
|
26
|
19
|
21
|
12
|
12
|
28
|
8
|
9
|
13
|
10
|
8
|
|
|
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