Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
131
O3
0.6
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
78
Good
Sun
28 Apr
69
Good
Mon
29 Apr
85
Good
Tue
30 Apr
45
Excellent
Wed
1 May
66
Good
Thu
2 May
91
Good
Fri
3 May
88
Good
Air quality in the last 12 months (Yuhang)
|
2024/02
|
27
|
24
|
18
|
24
|
36
|
69
|
73
|
94
|
124
|
202
|
72
|
53
|
40
|
37
|
38
|
27
|
33
|
38
|
49
|
12
|
14
|
16
|
28
|
37
|
58
|
90
|
77
|
51
|
25
|
||
|
2024/01
|
155
|
139
|
86
|
83
|
63
|
104
|
174
|
83
|
105
|
141
|
127
|
67
|
102
|
116
|
67
|
56
|
65
|
77
|
23
|
25
|
64
|
42
|
28
|
39
|
60
|
72
|
100
|
101
|
104
|
98
|
69
|
|
2023/12
|
35
|
56
|
95
|
111
|
54
|
56
|
64
|
50
|
49
|
84
|
22
|
23
|
64
|
45
|
28
|
30
|
40
|
38
|
38
|
70
|
48
|
43
|
55
|
62
|
67
|
86
|
108
|
149
|
179
|
175
|
149
|
|
2023/11
|
51
|
45
|
46
|
62
|
65
|
20
|
37
|
54
|
49
|
28
|
25
|
33
|
46
|
51
|
94
|
61
|
71
|
49
|
48
|
60
|
64
|
50
|
82
|
42
|
53
|
61
|
62
|
57
|
76
|
47
|
|
|
2023/10
|
33
|
29
|
31
|
27
|
32
|
32
|
21
|
21
|
34
|
46
|
45
|
44
|
46
|
41
|
43
|
50
|
73
|
75
|
61
|
29
|
31
|
49
|
53
|
50
|
63
|
91
|
91
|
30
|
43
|
57
|
65
|
|
2023/09
|
40
|
47
|
49
|
29
|
26
|
37
|
37
|
43
|
54
|
53
|
66
|
63
|
33
|
16
|
14
|
21
|
25
|
42
|
40
|
28
|
22
|
18
|
19
|
34
|
43
|
60
|
55
|
61
|
40
|
26
|
|
|
2023/08
|
23
|
26
|
30
|
29
|
30
|
45
|
41
|
30
|
41
|
38
|
59
|
56
|
69
|
47
|
32
|
37
|
39
|
51
|
32
|
30
|
30
|
32
|
32
|
53
|
59
|
37
|
26
|
20
|
22
|
25
|
29
|
|
2023/07
|
22
|
27
|
26
|
22
|
21
|
26
|
25
|
23
|
28
|
34
|
41
|
39
|
35
|
37
|
45
|
35
|
25
|
31
|
31
|
15
|
20
|
16
|
18
|
31
|
31
|
23
|
18
|
12
|
17
|
22
|
23
|
|
2023/06
|
47
|
68
|
64
|
68
|
58
|
35
|
34
|
33
|
46
|
57
|
69
|
61
|
45
|
58
|
63
|
69
|
32
|
38
|
26
|
21
|
38
|
60
|
32
|
19
|
15
|
21
|
25
|
27
|
26
|
30
|
|
|
2023/05
|
62
|
46
|
40
|
40
|
24
|
37
|
27
|
38
|
47
|
52
|
35
|
43
|
47
|
51
|
53
|
55
|
24
|
26
|
33
|
60
|
69
|
46
|
69
|
51
|
52
|
71
|
53
|
41
|
54
|
77
|
45
|
|
2023/04
|
54
|
57
|
47
|
42
|
28
|
35
|
36
|
57
|
58
|
59
|
74
|
302
|
116
|
65
|
66
|
81
|
78
|
65
|
38
|
27
|
44
|
68
|
80
|
42
|
48
|
41
|
54
|
53
|
65
|
79
|
|
|
2023/03
|
59
|
89
|
78
|
95
|
91
|
70
|
60
|
68
|
50
|
58
|
63
|
66
|
61
|
58
|
71
|
75
|
35
|
43
|
49
|
47
|
38
|
37
|
23
|
104
|
51
|
64
|
93
|
90
|
58
|
37
|
52
|
|
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