Air Quality
Excellent
No health implications.
10
PM2.5
19
PM10
40
O3
0.8
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
42
Excellent
Tue
24 Jun
44
Excellent
Wed
25 Jun
50
Excellent
Thu
26 Jun
46
Excellent
Fri
27 Jun
43
Excellent
Sat
28 Jun
25
Excellent
Sun
29 Jun
34
Excellent
Le'an Air quality rank
Air quality in the last 12 months (Le'an)
|
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
|
|
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
|
|
|
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