Air Quality
Excellent
No health implications.
20
PM2.5
38
PM10
51
O3
0.5
CO
3
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
43
Excellent
Wed
24 Dec
45
Excellent
Thu
25 Dec
40
Excellent
Fri
26 Dec
39
Excellent
Sat
27 Dec
36
Excellent
Sun
28 Dec
35
Excellent
Mon
29 Dec
50
Excellent
Air quality in the last 12 months (Yiliang)
|
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
|
|
|
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
|
|
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