Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
45
O3
0.9
CO
7
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
43
Excellent
Sat
31 Jan
44
Excellent
Sun
1 Feb
70
Good
Mon
2 Feb
97
Good
Tue
3 Feb
129
Light
Wed
4 Feb
117
Light
Thu
5 Feb
20
Excellent
Air quality in the last 12 months (Yuhang)
|
2025/12
|
98
|
71
|
53
|
48
|
62
|
66
|
65
|
89
|
52
|
57
|
73
|
50
|
34
|
51
|
57
|
58
|
98
|
127
|
78
|
105
|
45
|
40
|
53
|
28
|
53
|
39
|
51
|
61
|
54
|
105
|
35
|
|
2025/11
|
46
|
65
|
34
|
51
|
54
|
51
|
26
|
25
|
17
|
48
|
29
|
39
|
35
|
65
|
69
|
64
|
45
|
30
|
40
|
44
|
52
|
67
|
68
|
74
|
92
|
79
|
112
|
112
|
75
|
62
|
|
|
2025/10
|
51
|
39
|
53
|
47
|
47
|
45
|
61
|
33
|
25
|
31
|
45
|
87
|
60
|
30
|
35
|
23
|
23
|
16
|
18
|
24
|
27
|
30
|
30
|
33
|
43
|
46
|
42
|
34
|
38
|
38
|
20
|
|
2025/09
|
27
|
18
|
19
|
30
|
39
|
35
|
36
|
40
|
19
|
19
|
34
|
32
|
22
|
16
|
24
|
34
|
34
|
21
|
26
|
18
|
29
|
35
|
35
|
22
|
36
|
39
|
40
|
55
|
47
|
39
|
|
|
2025/08
|
26
|
36
|
23
|
40
|
28
|
14
|
12
|
16
|
21
|
27
|
31
|
34
|
20
|
15
|
15
|
18
|
22
|
28
|
29
|
33
|
32
|
18
|
14
|
23
|
27
|
32
|
34
|
16
|
22
|
25
|
25
|
|
2025/07
|
20
|
21
|
28
|
32
|
31
|
22
|
16
|
15
|
17
|
28
|
17
|
13
|
24
|
34
|
34
|
31
|
28
|
30
|
18
|
13
|
12
|
13
|
19
|
20
|
21
|
13
|
16
|
14
|
24
|
10
|
8
|
|
2025/06
|
24
|
11
|
26
|
43
|
30
|
30
|
54
|
20
|
20
|
15
|
20
|
34
|
28
|
17
|
7
|
19
|
35
|
31
|
19
|
16
|
17
|
17
|
15
|
27
|
44
|
38
|
18
|
16
|
15
|
26
|
|
|
2025/05
|
37
|
39
|
44
|
23
|
38
|
61
|
72
|
53
|
17
|
20
|
23
|
41
|
46
|
45
|
70
|
43
|
26
|
59
|
39
|
28
|
14
|
31
|
17
|
33
|
58
|
50
|
53
|
40
|
26
|
46
|
54
|
|
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
|
|
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