Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
27
O3
0.7
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
44
Excellent
Fri
19 Sep
51
Good
Sat
20 Sep
55
Good
Sun
21 Sep
52
Good
Mon
22 Sep
51
Good
Tue
23 Sep
54
Good
Wed
24 Sep
27
Excellent
Li County Air quality rank
Air quality in the last 12 months (Li County)
|
2025/08
|
34
|
35
|
39
|
37
|
32
|
25
|
24
|
29
|
18
|
17
|
23
|
31
|
28
|
29
|
32
|
27
|
23
|
19
|
22
|
22
|
18
|
17
|
20
|
22
|
22
|
27
|
26
|
19
|
13
|
17
|
24
|
|
2025/07
|
23
|
23
|
20
|
19
|
17
|
22
|
21
|
28
|
24
|
30
|
19
|
23
|
28
|
32
|
39
|
40
|
42
|
34
|
24
|
18
|
16
|
26
|
19
|
18
|
18
|
14
|
20
|
26
|
26
|
24
|
32
|
|
2025/06
|
28
|
25
|
39
|
38
|
42
|
50
|
47
|
37
|
40
|
30
|
33
|
40
|
47
|
48
|
37
|
41
|
42
|
27
|
22
|
30
|
29
|
28
|
28
|
18
|
23
|
31
|
38
|
39
|
27
|
19
|
|
|
2025/05
|
43
|
47
|
44
|
48
|
29
|
29
|
31
|
30
|
90
|
77
|
56
|
52
|
39
|
49
|
39
|
59
|
75
|
84
|
56
|
51
|
59
|
52
|
48
|
45
|
43
|
48
|
28
|
25
|
38
|
30
|
23
|
|
2025/04
|
45
|
51
|
60
|
57
|
38
|
36
|
51
|
52
|
56
|
55
|
41
|
74
|
89
|
59
|
64
|
68
|
53
|
60
|
51
|
52
|
54
|
51
|
55
|
29
|
32
|
27
|
26
|
32
|
24
|
33
|
|
|
2025/03
|
59
|
64
|
42
|
35
|
27
|
29
|
47
|
43
|
34
|
48
|
55
|
71
|
60
|
38
|
27
|
28
|
35
|
35
|
49
|
50
|
46
|
49
|
54
|
49
|
49
|
52
|
101
|
69
|
58
|
57
|
43
|
|
2025/02
|
30
|
31
|
34
|
38
|
29
|
30
|
32
|
24
|
29
|
37
|
53
|
47
|
46
|
44
|
38
|
44
|
37
|
36
|
28
|
34
|
30
|
21
|
29
|
25
|
23
|
35
|
52
|
56
|
|||
|
2025/01
|
89
|
80
|
83
|
93
|
73
|
67
|
46
|
40
|
49
|
45
|
36
|
63
|
61
|
51
|
54
|
41
|
66
|
42
|
64
|
75
|
90
|
103
|
117
|
64
|
36
|
58
|
56
|
75
|
184
|
64
|
49
|
|
2024/12
|
76
|
83
|
73
|
51
|
46
|
43
|
32
|
18
|
21
|
31
|
44
|
40
|
37
|
41
|
56
|
71
|
91
|
97
|
82
|
65
|
62
|
36
|
39
|
44
|
57
|
60
|
77
|
72
|
57
|
54
|
63
|
|
2024/11
|
27
|
38
|
31
|
24
|
34
|
44
|
49
|
60
|
43
|
20
|
31
|
22
|
23
|
38
|
35
|
24
|
20
|
17
|
16
|
28
|
34
|
50
|
40
|
24
|
27
|
37
|
36
|
45
|
48
|
59
|
|
|
2024/10
|
22
|
29
|
24
|
21
|
27
|
36
|
35
|
36
|
34
|
28
|
28
|
27
|
38
|
45
|
44
|
37
|
23
|
35
|
20
|
17
|
22
|
27
|
43
|
53
|
35
|
22
|
29
|
42
|
42
|
35
|
31
|
|
2024/09
|
24
|
30
|
22
|
28
|
15
|
19
|
19
|
28
|
24
|
14
|
19
|
22
|
23
|
20
|
16
|
21
|
26
|
32
|
29
|
30
|
22
|
29
|
32
|
35
|
39
|
44
|
55
|
45
|
27
|
17
|
|
|
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