Air Quality
Excellent
No health implications.
4
PM2.5
6
PM10
38
O3
0.8
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
52
Good
Sun
16 Mar
60
Good
Mon
17 Mar
60
Good
Tue
18 Mar
55
Good
Wed
19 Mar
57
Good
Thu
20 Mar
36
Excellent
Fri
21 Mar
27
Excellent
Air quality in the last 12 months (Leiyang)
|
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
|
|
2024/02
|
40
|
17
|
17
|
24
|
55
|
25
|
37
|
82
|
86
|
123
|
66
|
77
|
35
|
36
|
48
|
39
|
34
|
26
|
36
|
64
|
16
|
19
|
25
|
29
|
51
|
36
|
58
|
31
|
42
|
||
|
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