Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
45
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
70
Good
Fri
25 Apr
68
Good
Sat
26 Apr
61
Good
Sun
27 Apr
63
Good
Mon
28 Apr
72
Good
Tue
29 Apr
77
Good
Wed
30 Apr
43
Excellent
Air quality in the last 12 months (Leiyang)
|
2025/02
|
26
|
22
|
39
|
54
|
61
|
66
|
56
|
64
|
49
|
51
|
59
|
62
|
86
|
102
|
60
|
35
|
47
|
38
|
29
|
14
|
59
|
27
|
28
|
67
|
87
|
87
|
45
|
36
|
|||
|
2025/01
|
123
|
105
|
142
|
154
|
162
|
106
|
87
|
91
|
60
|
59
|
61
|
70
|
67
|
60
|
93
|
69
|
73
|
69
|
90
|
80
|
89
|
85
|
114
|
222
|
52
|
28
|
54
|
65
|
172
|
94
|
59
|
|
2024/12
|
58
|
61
|
68
|
122
|
56
|
38
|
43
|
61
|
97
|
78
|
45
|
66
|
88
|
71
|
59
|
64
|
70
|
72
|
94
|
111
|
111
|
102
|
86
|
101
|
120
|
120
|
124
|
122
|
86
|
108
|
109
|
|
2024/11
|
60
|
86
|
72
|
67
|
76
|
63
|
56
|
51
|
58
|
68
|
54
|
57
|
60
|
62
|
53
|
61
|
29
|
12
|
16
|
30
|
49
|
52
|
57
|
60
|
42
|
29
|
39
|
45
|
46
|
55
|
|
|
2024/10
|
34
|
45
|
55
|
52
|
50
|
64
|
67
|
54
|
51
|
55
|
60
|
65
|
100
|
82
|
37
|
28
|
42
|
38
|
24
|
30
|
36
|
23
|
36
|
44
|
48
|
60
|
40
|
49
|
62
|
51
|
50
|
|
2024/09
|
41
|
44
|
45
|
38
|
42
|
40
|
26
|
27
|
31
|
31
|
39
|
44
|
33
|
41
|
35
|
37
|
49
|
49
|
46
|
41
|
38
|
33
|
42
|
45
|
51
|
46
|
45
|
49
|
48
|
51
|
|
|
2024/08
|
17
|
21
|
26
|
28
|
31
|
30
|
27
|
30
|
31
|
32
|
30
|
27
|
22
|
28
|
29
|
33
|
35
|
46
|
28
|
37
|
39
|
19
|
25
|
25
|
33
|
31
|
38
|
30
|
35
|
38
|
47
|
|
2024/07
|
20
|
18
|
23
|
17
|
18
|
21
|
23
|
23
|
24
|
24
|
22
|
24
|
21
|
20
|
25
|
19
|
14
|
16
|
17
|
19
|
22
|
26
|
24
|
31
|
40
|
32
|
20
|
12
|
13
|
15
|
17
|
|
2024/06
|
18
|
20
|
37
|
19
|
17
|
30
|
34
|
40
|
42
|
26
|
19
|
20
|
18
|
19
|
16
|
20
|
14
|
17
|
18
|
24
|
24
|
25
|
24
|
21
|
12
|
17
|
24
|
22
|
19
|
22
|
|
|
2024/05
|
20
|
30
|
30
|
18
|
28
|
46
|
73
|
69
|
62
|
64
|
32
|
59
|
79
|
67
|
63
|
63
|
54
|
43
|
23
|
21
|
35
|
36
|
32
|
31
|
29
|
24
|
15
|
34
|
28
|
25
|
19
|
|
2024/04
|
39
|
51
|
27
|
24
|
21
|
27
|
32
|
41
|
43
|
39
|
48
|
43
|
39
|
53
|
50
|
45
|
22
|
36
|
25
|
23
|
30
|
47
|
41
|
48
|
29
|
29
|
39
|
44
|
40
|
14
|
|
|
2024/03
|
75
|
58
|
42
|
34
|
34
|
98
|
75
|
60
|
50
|
56
|
44
|
45
|
46
|
37
|
39
|
34
|
47
|
18
|
46
|
58
|
70
|
40
|
26
|
28
|
29
|
27
|
40
|
27
|
33
|
38
|
32
|
|
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