Air Quality
Excellent
No health implications.
24
PM2.5
32
PM10
71
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
48
Excellent
Sat
1 Feb
45
Excellent
Sun
2 Feb
53
Good
Mon
3 Feb
52
Good
Tue
4 Feb
60
Good
Wed
5 Feb
26
Excellent
Thu
6 Feb
34
Excellent
Air quality in the last 12 months (Yuhuan)
|
2024/12
|
56
|
56
|
58
|
50
|
42
|
26
|
70
|
63
|
33
|
44
|
21
|
39
|
23
|
111
|
78
|
55
|
61
|
63
|
34
|
35
|
62
|
58
|
40
|
36
|
43
|
90
|
114
|
55
|
56
|
56
|
72
|
|
2024/11
|
10
|
21
|
48
|
53
|
42
|
25
|
29
|
34
|
38
|
25
|
25
|
37
|
38
|
38
|
15
|
18
|
16
|
21
|
21
|
27
|
38
|
43
|
43
|
29
|
39
|
20
|
43
|
46
|
49
|
48
|
|
|
2024/10
|
16
|
17
|
19
|
18
|
18
|
17
|
12
|
20
|
43
|
51
|
54
|
42
|
27
|
43
|
33
|
30
|
37
|
38
|
30
|
21
|
39
|
42
|
29
|
28
|
26
|
20
|
18
|
24
|
48
|
29
|
21
|
|
2024/09
|
37
|
31
|
23
|
23
|
24
|
21
|
21
|
16
|
28
|
31
|
27
|
30
|
18
|
21
|
20
|
20
|
21
|
23
|
13
|
22
|
25
|
18
|
17
|
15
|
16
|
23
|
27
|
35
|
29
|
21
|
|
|
2024/08
|
28
|
48
|
50
|
43
|
31
|
31
|
39
|
34
|
37
|
41
|
51
|
47
|
43
|
31
|
30
|
30
|
24
|
19
|
16
|
19
|
20
|
30
|
40
|
37
|
27
|
23
|
42
|
24
|
31
|
27
|
32
|
|
2024/07
|
29
|
26
|
28
|
24
|
35
|
24
|
29
|
27
|
28
|
38
|
42
|
43
|
36
|
32
|
21
|
19
|
23
|
32
|
29
|
17
|
18
|
16
|
18
|
20
|
24
|
22
|
22
|
20
|
17
|
13
|
17
|
|
2024/06
|
10
|
16
|
25
|
45
|
43
|
14
|
23
|
37
|
28
|
18
|
22
|
28
|
26
|
31
|
24
|
18
|
17
|
21
|
29
|
41
|
41
|
40
|
50
|
27
|
23
|
27
|
45
|
31
|
21
|
30
|
|
|
2024/05
|
16
|
30
|
39
|
42
|
59
|
46
|
47
|
50
|
20
|
28
|
48
|
37
|
38
|
34
|
50
|
29
|
35
|
40
|
34
|
32
|
24
|
32
|
41
|
26
|
16
|
27
|
21
|
13
|
25
|
35
|
37
|
|
2024/04
|
53
|
48
|
47
|
25
|
36
|
41
|
37
|
43
|
33
|
62
|
59
|
42
|
34
|
25
|
49
|
55
|
36
|
35
|
101
|
76
|
47
|
23
|
28
|
38
|
38
|
56
|
42
|
35
|
44
|
18
|
|
|
2024/03
|
24
|
46
|
59
|
69
|
60
|
21
|
65
|
68
|
73
|
50
|
45
|
67
|
65
|
65
|
61
|
46
|
62
|
41
|
46
|
73
|
70
|
70
|
65
|
57
|
44
|
35
|
33
|
48
|
51
|
58
|
49
|
|
2024/02
|
31
|
19
|
19
|
16
|
18
|
36
|
20
|
69
|
116
|
154
|
76
|
72
|
54
|
52
|
52
|
24
|
36
|
34
|
38
|
23
|
24
|
11
|
18
|
20
|
30
|
54
|
50
|
40
|
16
|
||
|
2024/01
|
111
|
55
|
47
|
60
|
71
|
97
|
144
|
102
|
69
|
88
|
131
|
125
|
86
|
63
|
110
|
37
|
52
|
74
|
90
|
26
|
31
|
27
|
29
|
39
|
56
|
75
|
101
|
105
|
113
|
40
|
32
|
|
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