Air Quality
Excellent
No health implications.
20
PM2.5
41
PM10
118
O3
0.4
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
71
Good
Wed
20 May
70
Good
Thu
21 May
69
Good
Fri
22 May
83
Good
Sat
23 May
85
Good
Sun
24 May
82
Good
Mon
25 May
42
Excellent
Air quality in the last 12 months (Yu County)
|
2026/04
|
50
|
74
|
87
|
66
|
67
|
32
|
43
|
73
|
53
|
36
|
53
|
71
|
73
|
78
|
87
|
66
|
62
|
74
|
146
|
72
|
62
|
61
|
62
|
67
|
64
|
51
|
71
|
30
|
35
|
52
|
|
|
2026/03
|
107
|
101
|
81
|
74
|
59
|
39
|
64
|
79
|
45
|
74
|
51
|
87
|
115
|
51
|
59
|
75
|
118
|
41
|
61
|
70
|
92
|
51
|
79
|
104
|
91
|
96
|
55
|
73
|
51
|
30
|
49
|
|
2026/02
|
69
|
59
|
88
|
92
|
69
|
35
|
46
|
58
|
86
|
91
|
60
|
77
|
87
|
75
|
40
|
49
|
122
|
48
|
63
|
113
|
266
|
63
|
47
|
65
|
98
|
74
|
65
|
66
|
|||
|
2026/01
|
64
|
70
|
85
|
71
|
59
|
52
|
51
|
74
|
109
|
32
|
40
|
68
|
71
|
91
|
121
|
69
|
47
|
45
|
26
|
45
|
50
|
63
|
76
|
84
|
66
|
95
|
82
|
83
|
77
|
97
|
84
|
|
2025/12
|
47
|
27
|
47
|
48
|
72
|
79
|
66
|
50
|
71
|
79
|
62
|
48
|
44
|
67
|
76
|
71
|
93
|
130
|
134
|
60
|
50
|
75
|
60
|
47
|
32
|
67
|
75
|
73
|
63
|
44
|
33
|
|
2025/11
|
35
|
33
|
52
|
72
|
115
|
141
|
57
|
64
|
54
|
54
|
68
|
69
|
47
|
64
|
73
|
33
|
20
|
37
|
52
|
51
|
60
|
67
|
96
|
92
|
51
|
147
|
45
|
92
|
111
|
119
|
|
|
2025/10
|
53
|
50
|
45
|
50
|
55
|
41
|
40
|
19
|
11
|
11
|
28
|
35
|
45
|
44
|
55
|
60
|
22
|
15
|
21
|
25
|
33
|
44
|
65
|
86
|
86
|
27
|
41
|
62
|
115
|
93
|
68
|
|
2025/09
|
35
|
39
|
40
|
35
|
32
|
41
|
39
|
35
|
46
|
49
|
47
|
45
|
47
|
45
|
40
|
23
|
16
|
19
|
30
|
47
|
42
|
25
|
36
|
44
|
46
|
49
|
46
|
41
|
41
|
49
|
|
|
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
|
|
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