Air Quality
Excellent
No health implications.
3
PM2.5
32
PM10
119
O3
0.3
CO
15
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
80
Good
Tue
22 Jul
85
Good
Wed
23 Jul
79
Good
Thu
24 Jul
86
Good
Fri
25 Jul
87
Good
Sat
26 Jul
88
Good
Sun
27 Jul
46
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