Air Quality
Excellent
No health implications.
23
PM2.5
35
PM10
50
O3
0.7
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
56
Good
Mon
5 May
42
Excellent
Tue
6 May
75
Good
Wed
7 May
52
Good
Thu
8 May
43
Excellent
Fri
9 May
50
Excellent
Sat
10 May
44
Excellent
Air quality in the last 12 months (Le'an)
|
2025/02
|
38
|
26
|
47
|
56
|
50
|
56
|
60
|
51
|
36
|
48
|
66
|
74
|
81
|
72
|
54
|
42
|
52
|
49
|
44
|
24
|
30
|
23
|
33
|
46
|
68
|
69
|
56
|
43
|
|||
|
2025/01
|
114
|
86
|
99
|
108
|
114
|
104
|
68
|
61
|
60
|
44
|
50
|
57
|
64
|
59
|
70
|
57
|
54
|
65
|
66
|
73
|
72
|
68
|
61
|
103
|
54
|
24
|
54
|
77
|
142
|
71
|
56
|
|
2024/12
|
48
|
55
|
58
|
86
|
62
|
46
|
48
|
72
|
57
|
60
|
36
|
58
|
68
|
59
|
56
|
56
|
59
|
67
|
65
|
65
|
73
|
77
|
62
|
76
|
86
|
82
|
105
|
81
|
74
|
82
|
88
|
|
2024/11
|
31
|
38
|
48
|
57
|
60
|
51
|
48
|
48
|
54
|
53
|
47
|
48
|
53
|
55
|
30
|
35
|
39
|
27
|
36
|
45
|
42
|
33
|
52
|
58
|
45
|
33
|
41
|
45
|
47
|
48
|
|
|
2024/10
|
40
|
40
|
39
|
34
|
40
|
41
|
36
|
22
|
30
|
44
|
58
|
54
|
58
|
77
|
62
|
31
|
37
|
45
|
31
|
31
|
42
|
44
|
37
|
47
|
52
|
52
|
24
|
25
|
51
|
52
|
44
|
|
2024/09
|
45
|
49
|
50
|
44
|
43
|
33
|
25
|
28
|
28
|
33
|
39
|
29
|
37
|
39
|
38
|
35
|
36
|
39
|
36
|
27
|
30
|
33
|
33
|
32
|
38
|
39
|
46
|
38
|
36
|
36
|
|
|
2024/08
|
22
|
27
|
31
|
40
|
29
|
33
|
32
|
31
|
35
|
40
|
36
|
25
|
25
|
27
|
33
|
34
|
28
|
22
|
25
|
32
|
26
|
22
|
31
|
37
|
35
|
34
|
39
|
25
|
29
|
42
|
44
|
|
2024/07
|
25
|
24
|
24
|
24
|
28
|
25
|
23
|
22
|
30
|
31
|
33
|
29
|
27
|
24
|
28
|
29
|
21
|
22
|
21
|
21
|
23
|
27
|
33
|
42
|
37
|
22
|
18
|
18
|
18
|
20
|
21
|
|
2024/06
|
23
|
24
|
27
|
32
|
29
|
34
|
36
|
40
|
37
|
32
|
23
|
26
|
26
|
23
|
22
|
23
|
22
|
30
|
35
|
29
|
28
|
29
|
35
|
26
|
20
|
24
|
31
|
32
|
25
|
27
|
|
|
2024/05
|
25
|
37
|
42
|
29
|
23
|
33
|
45
|
52
|
54
|
52
|
45
|
49
|
64
|
50
|
50
|
60
|
52
|
51
|
47
|
34
|
27
|
26
|
34
|
26
|
22
|
27
|
28
|
29
|
36
|
43
|
26
|
|
2024/04
|
33
|
40
|
31
|
35
|
34
|
33
|
39
|
45
|
37
|
41
|
49
|
53
|
52
|
55
|
55
|
48
|
25
|
28
|
25
|
24
|
31
|
37
|
40
|
47
|
37
|
39
|
40
|
32
|
35
|
20
|
|
|
2024/03
|
32
|
43
|
33
|
43
|
33
|
36
|
52
|
55
|
54
|
58
|
50
|
42
|
55
|
45
|
35
|
28
|
41
|
31
|
40
|
66
|
64
|
51
|
43
|
41
|
36
|
29
|
40
|
31
|
39
|
45
|
31
|
|
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