Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
25
O3
0.4
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
58
Good
Thu
22 May
86
Good
Fri
23 May
51
Good
Sat
24 May
67
Good
Sun
25 May
89
Good
Mon
26 May
30
Excellent
Tue
27 May
41
Excellent
Air quality in the last 12 months (Yuhang)
|
2025/04
|
52
|
49
|
64
|
59
|
58
|
63
|
59
|
59
|
62
|
58
|
60
|
129
|
70
|
81
|
46
|
43
|
54
|
60
|
74
|
73
|
48
|
29
|
42
|
52
|
43
|
50
|
31
|
46
|
49
|
53
|
|
|
2025/03
|
44
|
42
|
22
|
17
|
38
|
48
|
69
|
63
|
71
|
70
|
65
|
51
|
28
|
28
|
18
|
46
|
46
|
42
|
52
|
51
|
37
|
44
|
48
|
57
|
56
|
66
|
64
|
56
|
51
|
59
|
36
|
|
2025/02
|
25
|
50
|
84
|
54
|
37
|
64
|
55
|
28
|
37
|
53
|
90
|
93
|
108
|
71
|
78
|
44
|
64
|
45
|
61
|
45
|
30
|
55
|
91
|
84
|
100
|
81
|
81
|
39
|
|||
|
2025/01
|
81
|
85
|
78
|
89
|
96
|
76
|
72
|
78
|
47
|
40
|
58
|
66
|
76
|
83
|
50
|
44
|
59
|
81
|
71
|
103
|
136
|
126
|
81
|
51
|
36
|
38
|
34
|
43
|
171
|
72
|
63
|
|
2024/12
|
46
|
49
|
90
|
58
|
55
|
66
|
105
|
35
|
52
|
44
|
24
|
70
|
76
|
84
|
49
|
47
|
48
|
73
|
38
|
51
|
79
|
64
|
76
|
66
|
92
|
140
|
67
|
58
|
65
|
81
|
71
|
|
2024/11
|
9
|
25
|
41
|
61
|
32
|
31
|
28
|
38
|
40
|
41
|
35
|
45
|
52
|
53
|
42
|
39
|
19
|
22
|
31
|
39
|
40
|
61
|
35
|
35
|
32
|
25
|
38
|
49
|
38
|
42
|
|
|
2024/10
|
16
|
22
|
28
|
31
|
27
|
13
|
12
|
26
|
40
|
46
|
61
|
63
|
38
|
47
|
43
|
33
|
33
|
31
|
15
|
33
|
45
|
33
|
41
|
42
|
42
|
21
|
13
|
42
|
51
|
41
|
30
|
|
2024/09
|
45
|
52
|
36
|
32
|
31
|
39
|
53
|
38
|
29
|
39
|
15
|
30
|
20
|
25
|
21
|
15
|
16
|
20
|
21
|
15
|
15
|
17
|
26
|
39
|
49
|
60
|
24
|
32
|
37
|
31
|
|
|
2024/08
|
18
|
18
|
35
|
31
|
24
|
29
|
42
|
32
|
36
|
41
|
36
|
22
|
21
|
25
|
26
|
38
|
31
|
37
|
23
|
20
|
13
|
21
|
35
|
43
|
43
|
49
|
43
|
20
|
26
|
30
|
42
|
|
2024/07
|
16
|
18
|
20
|
22
|
19
|
19
|
19
|
21
|
24
|
24
|
36
|
26
|
21
|
22
|
31
|
26
|
35
|
22
|
29
|
26
|
29
|
28
|
24
|
24
|
24
|
20
|
29
|
17
|
14
|
14
|
19
|
|
2024/06
|
15
|
27
|
30
|
43
|
46
|
23
|
26
|
31
|
37
|
23
|
17
|
21
|
35
|
50
|
48
|
47
|
21
|
24
|
13
|
11
|
28
|
26
|
13
|
15
|
15
|
14
|
12
|
12
|
16
|
21
|
|
|
2024/05
|
17
|
33
|
45
|
40
|
31
|
20
|
50
|
46
|
26
|
49
|
49
|
42
|
57
|
52
|
57
|
25
|
47
|
56
|
51
|
51
|
34
|
36
|
62
|
45
|
41
|
23
|
19
|
14
|
31
|
49
|
21
|
|
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