Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
85
O3
0.3
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
67
Good
Thu
15 May
80
Good
Fri
16 May
68
Good
Sat
17 May
71
Good
Sun
18 May
68
Good
Mon
19 May
47
Excellent
Tue
20 May
33
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