Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
95
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
81
Good
Sat
10 May
71
Good
Sun
11 May
77
Good
Mon
12 May
81
Good
Tue
13 May
86
Good
Wed
14 May
73
Good
Thu
15 May
38
Excellent
Air quality in the last 12 months (Yunzhou)
|
2025/02
|
87
|
38
|
33
|
42
|
49
|
83
|
19
|
45
|
68
|
73
|
83
|
48
|
57
|
67
|
86
|
27
|
42
|
50
|
29
|
38
|
48
|
29
|
34
|
75
|
64
|
79
|
87
|
85
|
|||
|
2025/01
|
65
|
46
|
56
|
59
|
80
|
31
|
39
|
21
|
42
|
63
|
68
|
50
|
72
|
35
|
42
|
70
|
80
|
67
|
86
|
68
|
62
|
34
|
91
|
90
|
99
|
134
|
30
|
48
|
255
|
71
|
87
|
|
2024/12
|
55
|
26
|
48
|
46
|
44
|
35
|
25
|
64
|
78
|
86
|
60
|
85
|
45
|
52
|
58
|
65
|
38
|
35
|
54
|
53
|
48
|
78
|
82
|
90
|
60
|
42
|
38
|
68
|
97
|
116
|
66
|
|
2024/11
|
66
|
78
|
49
|
29
|
58
|
43
|
57
|
76
|
107
|
58
|
66
|
66
|
61
|
56
|
63
|
61
|
44
|
50
|
68
|
62
|
52
|
35
|
54
|
75
|
19
|
26
|
23
|
27
|
43
|
63
|
|
|
2024/10
|
16
|
26
|
41
|
43
|
49
|
37
|
19
|
39
|
42
|
37
|
54
|
49
|
53
|
54
|
20
|
57
|
56
|
16
|
16
|
20
|
39
|
24
|
53
|
51
|
60
|
50
|
20
|
44
|
53
|
46
|
64
|
|
2024/09
|
22
|
16
|
20
|
20
|
12
|
18
|
13
|
26
|
29
|
14
|
19
|
22
|
25
|
12
|
20
|
22
|
24
|
33
|
39
|
18
|
9
|
19
|
34
|
40
|
17
|
32
|
52
|
42
|
33
|
17
|
|
|
2024/08
|
34
|
35
|
24
|
30
|
25
|
32
|
23
|
20
|
22
|
69
|
11
|
11
|
14
|
20
|
36
|
36
|
32
|
38
|
17
|
21
|
18
|
22
|
29
|
35
|
18
|
10
|
21
|
23
|
33
|
28
|
32
|
|
2024/07
|
22
|
24
|
25
|
32
|
32
|
37
|
42
|
37
|
30
|
41
|
48
|
32
|
24
|
26
|
34
|
25
|
22
|
40
|
44
|
31
|
43
|
65
|
66
|
58
|
21
|
24
|
37
|
28
|
19
|
17
|
28
|
|
2024/06
|
25
|
38
|
37
|
29
|
29
|
51
|
12
|
30
|
38
|
33
|
51
|
55
|
44
|
16
|
22
|
21
|
45
|
46
|
38
|
42
|
38
|
237
|
144
|
26
|
25
|
55
|
62
|
48
|
47
|
33
|
|
|
2024/05
|
48
|
39
|
42
|
60
|
52
|
40
|
34
|
35
|
62
|
124
|
88
|
28
|
44
|
65
|
33
|
74
|
54
|
75
|
75
|
53
|
52
|
64
|
70
|
60
|
18
|
33
|
28
|
33
|
51
|
41
|
23
|
|
2024/04
|
63
|
66
|
50
|
52
|
40
|
39
|
49
|
61
|
65
|
42
|
55
|
70
|
82
|
180
|
156
|
38
|
57
|
54
|
59
|
18
|
44
|
116
|
61
|
65
|
101
|
94
|
100
|
45
|
22
|
25
|
|
|
2024/03
|
39
|
78
|
62
|
102
|
88
|
34
|
49
|
46
|
69
|
79
|
49
|
38
|
55
|
53
|
80
|
79
|
50
|
108
|
53
|
42
|
99
|
76
|
65
|
36
|
47
|
59
|
133
|
333
|
108
|
38
|
62
|
|
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