Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
35
O3
0.5
CO
9
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
59
Good
Fri
22 Aug
69
Good
Sat
23 Aug
65
Good
Sun
24 Aug
61
Good
Mon
25 Aug
64
Good
Tue
26 Aug
31
Excellent
Wed
27 Aug
50
Excellent
Air quality in the last 12 months (Yunzhou)
|
2025/06
|
30
|
17
|
23
|
31
|
27
|
22
|
21
|
25
|
26
|
29
|
41
|
53
|
30
|
27
|
15
|
21
|
35
|
32
|
26
|
17
|
20
|
26
|
30
|
35
|
40
|
53
|
51
|
34
|
29
|
29
|
|
|
2025/05
|
36
|
31
|
21
|
29
|
67
|
32
|
58
|
65
|
24
|
41
|
41
|
56
|
80
|
22
|
43
|
117
|
54
|
56
|
50
|
60
|
45
|
61
|
55
|
55
|
47
|
38
|
37
|
42
|
51
|
58
|
24
|
|
2025/04
|
55
|
35
|
78
|
129
|
41
|
65
|
61
|
37
|
49
|
51
|
202
|
36
|
29
|
24
|
50
|
133
|
219
|
24
|
50
|
60
|
51
|
49
|
63
|
28
|
34
|
51
|
18
|
40
|
52
|
41
|
|
|
2025/03
|
91
|
63
|
37
|
59
|
54
|
57
|
56
|
70
|
75
|
103
|
190
|
118
|
95
|
75
|
34
|
34
|
32
|
27
|
46
|
44
|
54
|
74
|
219
|
151
|
124
|
109
|
89
|
46
|
30
|
43
|
49
|
|
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
|
|
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