Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
55
O3
0.6
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
56
Good
Tue
26 May
64
Good
Wed
27 May
49
Excellent
Thu
28 May
51
Good
Fri
29 May
49
Excellent
Sat
30 May
53
Good
Sun
31 May
45
Excellent
Air quality in the last 12 months (Leiyang)
|
2026/04
|
32
|
39
|
22
|
37
|
51
|
35
|
36
|
44
|
45
|
45
|
36
|
27
|
36
|
24
|
22
|
24
|
36
|
41
|
43
|
45
|
17
|
14
|
24
|
39
|
43
|
50
|
56
|
41
|
27
|
30
|
|
|
2026/03
|
12
|
19
|
38
|
64
|
46
|
46
|
61
|
47
|
21
|
56
|
42
|
47
|
51
|
57
|
99
|
62
|
44
|
29
|
32
|
24
|
35
|
45
|
40
|
23
|
60
|
48
|
32
|
35
|
40
|
24
|
26
|
|
2026/02
|
48
|
53
|
59
|
72
|
91
|
70
|
65
|
60
|
58
|
58
|
52
|
62
|
66
|
63
|
62
|
28
|
81
|
74
|
54
|
38
|
55
|
61
|
52
|
33
|
48
|
31
|
17
|
25
|
|||
|
2026/01
|
31
|
50
|
62
|
71
|
50
|
71
|
68
|
58
|
60
|
78
|
89
|
84
|
95
|
78
|
87
|
100
|
106
|
109
|
48
|
18
|
46
|
59
|
66
|
48
|
73
|
61
|
113
|
75
|
54
|
38
|
34
|
|
2025/12
|
68
|
103
|
89
|
72
|
78
|
85
|
89
|
103
|
110
|
113
|
90
|
104
|
24
|
41
|
50
|
56
|
67
|
118
|
80
|
64
|
108
|
97
|
60
|
36
|
57
|
56
|
62
|
69
|
82
|
108
|
146
|
|
2025/11
|
49
|
45
|
25
|
22
|
28
|
28
|
45
|
14
|
10
|
13
|
34
|
55
|
43
|
48
|
51
|
56
|
63
|
27
|
33
|
39
|
48
|
57
|
63
|
58
|
51
|
60
|
68
|
76
|
68
|
64
|
|
|
2025/10
|
56
|
43
|
30
|
50
|
43
|
21
|
35
|
48
|
42
|
43
|
49
|
72
|
90
|
52
|
62
|
57
|
54
|
27
|
9
|
10
|
11
|
25
|
36
|
42
|
49
|
68
|
74
|
71
|
81
|
89
|
61
|
|
2025/09
|
20
|
25
|
29
|
30
|
32
|
32
|
39
|
30
|
18
|
18
|
18
|
22
|
24
|
36
|
37
|
35
|
29
|
38
|
37
|
21
|
22
|
18
|
27
|
11
|
14
|
22
|
32
|
47
|
50
|
54
|
|
|
2025/08
|
28
|
26
|
17
|
18
|
19
|
12
|
13
|
19
|
26
|
31
|
31
|
32
|
28
|
24
|
13
|
20
|
21
|
22
|
15
|
19
|
22
|
21
|
24
|
24
|
22
|
19
|
26
|
28
|
24
|
23
|
21
|
|
2025/07
|
17
|
16
|
20
|
25
|
33
|
36
|
42
|
32
|
31
|
24
|
25
|
26
|
31
|
29
|
24
|
25
|
28
|
37
|
32
|
29
|
21
|
15
|
16
|
22
|
24
|
29
|
23
|
21
|
24
|
23
|
23
|
|
2025/06
|
16
|
18
|
37
|
40
|
40
|
33
|
27
|
26
|
33
|
35
|
33
|
22
|
31
|
15
|
13
|
21
|
12
|
12
|
14
|
21
|
21
|
15
|
26
|
20
|
32
|
24
|
14
|
15
|
20
|
18
|
|
|
2025/05
|
51
|
57
|
56
|
48
|
33
|
46
|
66
|
38
|
29
|
51
|
51
|
56
|
48
|
41
|
52
|
26
|
21
|
20
|
21
|
18
|
20
|
23
|
25
|
51
|
53
|
49
|
46
|
15
|
19
|
27
|
13
|
|
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