Air Quality
Excellent
No health implications.
27
PM2.5
43
PM10
39
O3
0.7
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
58
Good
Sun
14 Dec
56
Good
Mon
15 Dec
60
Good
Tue
16 Dec
64
Good
Wed
17 Dec
58
Good
Thu
18 Dec
45
Excellent
Fri
19 Dec
26
Excellent
Air quality in the last 12 months (Le'an)
|
2025/11
|
45
|
54
|
57
|
37
|
29
|
40
|
45
|
28
|
20
|
24
|
54
|
32
|
36
|
43
|
53
|
61
|
64
|
27
|
34
|
42
|
49
|
56
|
63
|
61
|
70
|
72
|
67
|
72
|
56
|
56
|
|
|
2025/10
|
42
|
40
|
37
|
48
|
36
|
26
|
40
|
46
|
44
|
45
|
40
|
41
|
58
|
52
|
45
|
55
|
48
|
49
|
22
|
26
|
31
|
31
|
41
|
43
|
53
|
65
|
57
|
66
|
58
|
81
|
47
|
|
2025/09
|
25
|
24
|
24
|
30
|
29
|
35
|
32
|
23
|
18
|
19
|
21
|
26
|
25
|
27
|
31
|
28
|
32
|
33
|
32
|
34
|
34
|
42
|
36
|
35
|
30
|
35
|
41
|
41
|
45
|
45
|
|
|
2025/08
|
32
|
34
|
22
|
18
|
17
|
15
|
17
|
21
|
27
|
33
|
33
|
37
|
28
|
22
|
17
|
22
|
22
|
22
|
17
|
16
|
17
|
25
|
30
|
23
|
20
|
29
|
26
|
21
|
24
|
26
|
31
|
|
2025/07
|
21
|
23
|
29
|
34
|
29
|
36
|
43
|
43
|
28
|
24
|
29
|
20
|
23
|
26
|
30
|
29
|
38
|
42
|
30
|
19
|
19
|
17
|
27
|
23
|
27
|
29
|
22
|
24
|
24
|
28
|
29
|
|
2025/06
|
22
|
19
|
25
|
31
|
31
|
32
|
32
|
27
|
27
|
29
|
26
|
27
|
36
|
22
|
18
|
23
|
17
|
16
|
20
|
16
|
17
|
17
|
22
|
22
|
29
|
27
|
18
|
20
|
21
|
22
|
|
|
2025/05
|
51
|
49
|
52
|
50
|
26
|
35
|
55
|
38
|
24
|
43
|
35
|
37
|
37
|
37
|
43
|
23
|
24
|
19
|
23
|
22
|
24
|
28
|
23
|
54
|
58
|
54
|
51
|
32
|
25
|
27
|
26
|
|
2025/04
|
46
|
66
|
54
|
61
|
54
|
57
|
57
|
60
|
58
|
45
|
40
|
129
|
145
|
107
|
70
|
53
|
66
|
60
|
27
|
23
|
34
|
23
|
40
|
39
|
26
|
22
|
20
|
37
|
52
|
53
|
|
|
2025/03
|
39
|
31
|
37
|
21
|
32
|
38
|
47
|
43
|
52
|
38
|
48
|
50
|
31
|
23
|
20
|
37
|
47
|
41
|
46
|
39
|
44
|
48
|
52
|
59
|
64
|
66
|
57
|
71
|
47
|
31
|
40
|
|
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
|
|
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