Air Quality
Excellent
No health implications.
8
PM2.5
24
PM10
18
O3
0.6
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
53
Good
Mon
14 Jul
57
Good
Tue
15 Jul
65
Good
Wed
16 Jul
56
Good
Thu
17 Jul
56
Good
Fri
18 Jul
53
Good
Sat
19 Jul
32
Excellent
Air quality in the last 12 months (Leiyang)
|
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
|
|
2025/04
|
56
|
58
|
61
|
83
|
84
|
80
|
70
|
61
|
62
|
42
|
50
|
207
|
190
|
126
|
84
|
71
|
82
|
63
|
26
|
24
|
35
|
30
|
55
|
31
|
27
|
33
|
24
|
38
|
53
|
51
|
|
|
2025/03
|
34
|
31
|
21
|
21
|
30
|
35
|
52
|
44
|
46
|
43
|
47
|
47
|
48
|
23
|
20
|
44
|
48
|
38
|
44
|
49
|
52
|
54
|
65
|
72
|
70
|
65
|
67
|
60
|
42
|
20
|
45
|
|
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
|
|
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