Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
104
O3
0.5
CO
18
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
52
Good
Sat
4 May
46
Excellent
Sun
5 May
44
Excellent
Mon
6 May
67
Good
Tue
7 May
83
Good
Wed
8 May
91
Good
Thu
9 May
92
Good
Air quality in the last 12 months (Yugan)
|
2024/02
|
22
|
16
|
12
|
14
|
52
|
32
|
52
|
59
|
117
|
172
|
98
|
72
|
48
|
48
|
38
|
21
|
29
|
34
|
38
|
38
|
15
|
17
|
26
|
33
|
50
|
51
|
58
|
42
|
44
|
||
|
2024/01
|
99
|
111
|
64
|
60
|
56
|
60
|
97
|
120
|
101
|
58
|
68
|
66
|
61
|
59
|
168
|
80
|
77
|
69
|
17
|
20
|
62
|
49
|
30
|
36
|
49
|
57
|
64
|
59
|
60
|
46
|
43
|
|
2023/12
|
46
|
50
|
58
|
67
|
65
|
61
|
61
|
60
|
44
|
45
|
27
|
21
|
40
|
46
|
23
|
41
|
38
|
31
|
40
|
49
|
68
|
45
|
48
|
57
|
65
|
66
|
68
|
88
|
132
|
170
|
122
|
|
2023/11
|
54
|
50
|
57
|
61
|
68
|
28
|
40
|
34
|
25
|
24
|
23
|
19
|
53
|
55
|
55
|
58
|
91
|
77
|
64
|
57
|
55
|
55
|
60
|
76
|
61
|
68
|
75
|
63
|
66
|
69
|
|
|
2023/10
|
26
|
39
|
47
|
31
|
40
|
36
|
19
|
17
|
25
|
43
|
46
|
57
|
55
|
66
|
71
|
63
|
60
|
64
|
64
|
34
|
41
|
49
|
56
|
59
|
74
|
72
|
78
|
55
|
53
|
65
|
62
|
|
2023/09
|
32
|
37
|
42
|
38
|
31
|
30
|
34
|
39
|
39
|
43
|
43
|
33
|
22
|
16
|
20
|
24
|
34
|
34
|
33
|
43
|
23
|
23
|
29
|
35
|
46
|
47
|
53
|
53
|
56
|
50
|
|
|
2023/08
|
25
|
30
|
32
|
38
|
51
|
50
|
36
|
39
|
39
|
43
|
46
|
40
|
31
|
29
|
38
|
43
|
47
|
40
|
41
|
33
|
33
|
22
|
31
|
42
|
47
|
39
|
25
|
19
|
24
|
23
|
24
|
|
2023/07
|
32
|
31
|
19
|
22
|
26
|
29
|
31
|
33
|
31
|
30
|
36
|
34
|
34
|
39
|
44
|
46
|
36
|
29
|
23
|
21
|
24
|
23
|
20
|
35
|
33
|
32
|
27
|
18
|
18
|
23
|
22
|
|
2023/06
|
37
|
49
|
58
|
58
|
50
|
35
|
41
|
29
|
36
|
37
|
49
|
59
|
47
|
50
|
56
|
35
|
32
|
25
|
21
|
21
|
19
|
31
|
27
|
19
|
19
|
20
|
24
|
19
|
23
|
30
|
|
|
2023/05
|
74
|
50
|
42
|
35
|
29
|
18
|
29
|
37
|
48
|
51
|
42
|
48
|
57
|
63
|
55
|
50
|
31
|
35
|
55
|
55
|
29
|
59
|
64
|
48
|
43
|
43
|
36
|
38
|
45
|
46
|
30
|
|
2023/04
|
44
|
52
|
40
|
26
|
23
|
25
|
48
|
56
|
59
|
64
|
61
|
59
|
52
|
29
|
78
|
74
|
68
|
49
|
30
|
39
|
42
|
48
|
21
|
13
|
25
|
30
|
38
|
37
|
107
|
122
|
|
|
2023/03
|
56
|
85
|
78
|
96
|
80
|
64
|
67
|
72
|
70
|
59
|
62
|
93
|
80
|
68
|
64
|
84
|
37
|
26
|
21
|
20
|
26
|
20
|
26
|
30
|
36
|
40
|
71
|
69
|
61
|
47
|
40
|
|
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