Air Quality
Excellent
No health implications.
8
PM2.5
28
PM10
30
O3
0.3
CO
3
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
67
Good
Tue
28 Oct
91
Good
Wed
29 Oct
94
Good
Thu
30 Oct
93
Good
Fri
31 Oct
86
Good
Sat
1 Nov
24
Excellent
Sun
2 Nov
19
Excellent
Air quality in the last 12 months (Yu County)
|
2025/08
|
41
|
47
|
39
|
31
|
33
|
39
|
27
|
18
|
24
|
25
|
38
|
40
|
23
|
40
|
46
|
21
|
30
|
35
|
24
|
19
|
29
|
37
|
19
|
18
|
32
|
30
|
14
|
28
|
39
|
34
|
36
|
|
2025/07
|
30
|
35
|
26
|
36
|
14
|
18
|
23
|
27
|
35
|
27
|
48
|
50
|
21
|
38
|
42
|
27
|
18
|
28
|
47
|
18
|
21
|
31
|
32
|
21
|
22
|
26
|
29
|
28
|
14
|
18
|
33
|
|
2025/06
|
56
|
32
|
23
|
31
|
39
|
39
|
34
|
42
|
46
|
33
|
54
|
72
|
56
|
37
|
15
|
21
|
45
|
53
|
37
|
35
|
29
|
31
|
43
|
43
|
47
|
58
|
54
|
49
|
39
|
43
|
|
|
2025/05
|
36
|
48
|
25
|
41
|
65
|
37
|
61
|
81
|
23
|
40
|
46
|
59
|
73
|
32
|
50
|
96
|
56
|
53
|
58
|
75
|
63
|
63
|
59
|
44
|
50
|
47
|
51
|
52
|
60
|
66
|
45
|
|
2025/04
|
50
|
29
|
64
|
90
|
35
|
69
|
72
|
47
|
55
|
57
|
172
|
66
|
44
|
30
|
50
|
102
|
126
|
35
|
47
|
65
|
68
|
46
|
63
|
39
|
51
|
73
|
48
|
46
|
60
|
48
|
|
|
2025/03
|
138
|
92
|
45
|
55
|
58
|
46
|
61
|
84
|
87
|
116
|
162
|
107
|
104
|
80
|
39
|
26
|
32
|
36
|
41
|
36
|
40
|
62
|
182
|
102
|
104
|
97
|
78
|
46
|
28
|
44
|
50
|
|
2025/02
|
97
|
67
|
24
|
37
|
36
|
77
|
16
|
30
|
52
|
68
|
86
|
50
|
65
|
63
|
74
|
29
|
38
|
48
|
39
|
39
|
46
|
37
|
27
|
61
|
54
|
65
|
91
|
100
|
|||
|
2025/01
|
57
|
52
|
49
|
55
|
60
|
23
|
26
|
18
|
32
|
48
|
60
|
49
|
64
|
36
|
37
|
62
|
74
|
70
|
66
|
70
|
55
|
53
|
88
|
95
|
123
|
114
|
20
|
49
|
177
|
69
|
85
|
|
2024/12
|
54
|
26
|
53
|
60
|
32
|
31
|
18
|
45
|
62
|
66
|
60
|
74
|
42
|
38
|
47
|
55
|
39
|
37
|
51
|
50
|
29
|
57
|
63
|
77
|
68
|
45
|
37
|
56
|
84
|
83
|
62
|
|
2024/11
|
61
|
70
|
48
|
26
|
51
|
52
|
80
|
132
|
180
|
125
|
86
|
83
|
94
|
57
|
57
|
60
|
44
|
54
|
72
|
63
|
46
|
38
|
60
|
92
|
45
|
21
|
18
|
24
|
38
|
55
|
|
|
2024/10
|
17
|
24
|
37
|
50
|
67
|
80
|
41
|
48
|
65
|
35
|
55
|
70
|
99
|
72
|
49
|
57
|
66
|
34
|
17
|
29
|
49
|
36
|
49
|
53
|
96
|
138
|
46
|
48
|
66
|
61
|
88
|
|
2024/09
|
31
|
17
|
26
|
40
|
14
|
24
|
20
|
33
|
47
|
21
|
25
|
24
|
31
|
21
|
30
|
41
|
34
|
47
|
49
|
24
|
10
|
19
|
35
|
50
|
38
|
49
|
69
|
62
|
61
|
14
|
|
|
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