Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
68
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
100
Good
Thu
1 May
114
Light
Fri
2 May
110
Light
Sat
3 May
111
Light
Sun
4 May
90
Good
Mon
5 May
49
Excellent
Tue
6 May
25
Excellent
Air quality in the last 12 months (Li County)
|
2025/02
|
72
|
75
|
70
|
68
|
70
|
58
|
92
|
63
|
54
|
64
|
76
|
92
|
93
|
68
|
67
|
67
|
68
|
44
|
72
|
115
|
115
|
86
|
97
|
102
|
95
|
78
|
52
|
73
|
|||
|
2025/01
|
138
|
166
|
180
|
220
|
103
|
102
|
80
|
82
|
72
|
74
|
93
|
80
|
154
|
147
|
83
|
75
|
92
|
117
|
129
|
144
|
178
|
218
|
253
|
117
|
20
|
45
|
56
|
89
|
270
|
129
|
131
|
|
2024/12
|
81
|
120
|
107
|
85
|
49
|
57
|
62
|
69
|
72
|
77
|
63
|
103
|
96
|
57
|
65
|
70
|
94
|
103
|
68
|
101
|
107
|
68
|
63
|
94
|
142
|
179
|
180
|
103
|
109
|
168
|
158
|
|
2024/11
|
76
|
84
|
98
|
82
|
74
|
84
|
73
|
78
|
100
|
66
|
78
|
86
|
78
|
86
|
77
|
55
|
12
|
16
|
28
|
31
|
44
|
56
|
76
|
80
|
33
|
38
|
46
|
49
|
54
|
60
|
|
|
2024/10
|
29
|
60
|
60
|
59
|
73
|
56
|
38
|
48
|
72
|
91
|
105
|
96
|
58
|
56
|
63
|
76
|
44
|
20
|
24
|
40
|
22
|
31
|
38
|
49
|
58
|
52
|
56
|
75
|
95
|
84
|
68
|
|
2024/09
|
44
|
48
|
47
|
59
|
58
|
41
|
45
|
48
|
55
|
52
|
47
|
30
|
37
|
60
|
51
|
51
|
44
|
48
|
36
|
40
|
50
|
42
|
52
|
67
|
84
|
102
|
109
|
96
|
68
|
54
|
|
|
2024/08
|
12
|
16
|
18
|
21
|
21
|
25
|
29
|
28
|
29
|
33
|
66
|
64
|
44
|
45
|
44
|
34
|
31
|
38
|
24
|
35
|
33
|
34
|
26
|
29
|
32
|
40
|
25
|
25
|
32
|
45
|
44
|
|
2024/07
|
16
|
24
|
28
|
18
|
19
|
16
|
18
|
19
|
22
|
26
|
46
|
38
|
25
|
26
|
31
|
28
|
21
|
20
|
15
|
19
|
21
|
23
|
23
|
28
|
33
|
32
|
26
|
17
|
13
|
17
|
16
|
|
2024/06
|
30
|
38
|
43
|
24
|
25
|
39
|
42
|
40
|
24
|
26
|
28
|
21
|
26
|
33
|
39
|
41
|
35
|
34
|
35
|
30
|
36
|
14
|
18
|
17
|
24
|
28
|
21
|
12
|
14
|
19
|
|
|
2024/05
|
28
|
46
|
32
|
26
|
36
|
37
|
71
|
80
|
75
|
60
|
60
|
78
|
76
|
66
|
77
|
60
|
55
|
50
|
42
|
27
|
42
|
46
|
54
|
51
|
45
|
34
|
41
|
34
|
37
|
30
|
37
|
|
2024/04
|
42
|
31
|
65
|
66
|
67
|
51
|
64
|
55
|
45
|
57
|
68
|
44
|
41
|
51
|
52
|
57
|
49
|
56
|
31
|
41
|
58
|
65
|
45
|
72
|
48
|
51
|
57
|
42
|
44
|
24
|
|
|
2024/03
|
105
|
79
|
53
|
58
|
105
|
106
|
78
|
91
|
84
|
76
|
72
|
69
|
96
|
102
|
102
|
103
|
90
|
55
|
61
|
84
|
75
|
65
|
51
|
48
|
30
|
38
|
56
|
47
|
42
|
43
|
46
|
|
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