Air Quality
Excellent
No health implications.
24
PM2.5
40
PM10
109
O3
0.5
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
67
Good
Sun
19 May
50
Excellent
Mon
20 May
71
Good
Tue
21 May
71
Good
Wed
22 May
71
Good
Thu
23 May
67
Good
Fri
24 May
57
Good
Air quality in the last 12 months (Yiliang)
|
2024/02
|
34
|
46
|
52
|
30
|
38
|
32
|
43
|
44
|
55
|
62
|
57
|
42
|
38
|
30
|
46
|
53
|
29
|
31
|
45
|
55
|
46
|
49
|
59
|
53
|
50
|
39
|
39
|
37
|
37
|
||
|
2024/01
|
36
|
31
|
55
|
35
|
24
|
41
|
37
|
33
|
39
|
48
|
45
|
43
|
48
|
44
|
39
|
23
|
22
|
25
|
27
|
41
|
37
|
23
|
48
|
43
|
34
|
24
|
30
|
28
|
26
|
28
|
26
|
|
2023/12
|
54
|
22
|
21
|
26
|
25
|
32
|
40
|
25
|
19
|
21
|
23
|
31
|
15
|
18
|
25
|
35
|
23
|
20
|
25
|
64
|
59
|
69
|
57
|
62
|
58
|
38
|
39
|
34
|
31
|
42
|
41
|
|
2023/11
|
41
|
29
|
29
|
30
|
27
|
44
|
33
|
26
|
28
|
32
|
28
|
36
|
36
|
20
|
20
|
29
|
50
|
46
|
48
|
51
|
37
|
46
|
54
|
46
|
29
|
46
|
53
|
58
|
43
|
59
|
|
|
2023/10
|
25
|
19
|
19
|
21
|
25
|
23
|
16
|
18
|
23
|
25
|
32
|
32
|
21
|
19
|
27
|
31
|
31
|
27
|
38
|
31
|
41
|
41
|
32
|
31
|
26
|
25
|
29
|
36
|
41
|
42
|
43
|
|
2023/09
|
39
|
36
|
39
|
35
|
32
|
35
|
36
|
47
|
33
|
33
|
32
|
26
|
28
|
38
|
44
|
42
|
35
|
25
|
22
|
23
|
23
|
26
|
22
|
26
|
28
|
31
|
26
|
17
|
18
|
25
|
|
|
2023/08
|
23
|
25
|
26
|
22
|
24
|
29
|
20
|
21
|
23
|
23
|
29
|
28
|
30
|
40
|
34
|
29
|
31
|
39
|
37
|
36
|
36
|
30
|
25
|
32
|
19
|
18
|
23
|
27
|
34
|
30
|
31
|
|
2023/07
|
27
|
25
|
25
|
29
|
30
|
15
|
17
|
19
|
19
|
14
|
15
|
16
|
16
|
24
|
36
|
34
|
41
|
38
|
26
|
20
|
28
|
23
|
26
|
25
|
25
|
25
|
27
|
27
|
28
|
33
|
34
|
|
2023/06
|
44
|
38
|
36
|
36
|
33
|
27
|
31
|
25
|
35
|
37
|
45
|
48
|
30
|
36
|
25
|
35
|
37
|
34
|
35
|
24
|
28
|
25
|
21
|
32
|
43
|
41
|
36
|
29
|
26
|
26
|
|
|
2023/05
|
42
|
35
|
33
|
32
|
31
|
34
|
42
|
48
|
50
|
54
|
50
|
32
|
49
|
43
|
34
|
29
|
44
|
50
|
48
|
48
|
45
|
50
|
49
|
51
|
46
|
38
|
37
|
43
|
41
|
45
|
42
|
|
2023/04
|
48
|
51
|
37
|
35
|
36
|
46
|
61
|
64
|
75
|
74
|
70
|
77
|
86
|
101
|
64
|
93
|
93
|
69
|
78
|
71
|
64
|
61
|
46
|
54
|
50
|
44
|
40
|
46
|
47
|
53
|
|
|
2023/03
|
65
|
81
|
69
|
56
|
72
|
77
|
78
|
66
|
60
|
71
|
71
|
60
|
31
|
63
|
80
|
60
|
47
|
57
|
58
|
40
|
28
|
28
|
32
|
37
|
44
|
55
|
57
|
62
|
47
|
46
|
51
|
|
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