Air Quality
Excellent
No health implications.
28
PM2.5
44
PM10
108
O3
0.9
CO
11
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
86
Good
Fri
16 May
80
Good
Sat
17 May
48
Excellent
Sun
18 May
69
Good
Mon
19 May
63
Good
Tue
20 May
66
Good
Wed
21 May
40
Excellent
Air quality in the last 12 months (Xiuyan)
|
2025/02
|
110
|
152
|
43
|
39
|
42
|
49
|
51
|
56
|
61
|
64
|
61
|
63
|
81
|
86
|
98
|
54
|
35
|
32
|
46
|
49
|
48
|
45
|
43
|
51
|
70
|
67
|
100
|
109
|
|||
|
2025/01
|
50
|
52
|
59
|
58
|
152
|
88
|
63
|
50
|
38
|
69
|
99
|
128
|
94
|
73
|
39
|
58
|
59
|
61
|
88
|
89
|
77
|
63
|
74
|
100
|
112
|
148
|
80
|
81
|
216
|
91
|
88
|
|
2024/12
|
47
|
28
|
38
|
44
|
46
|
39
|
42
|
53
|
61
|
79
|
40
|
54
|
66
|
53
|
49
|
76
|
42
|
46
|
63
|
87
|
54
|
63
|
55
|
61
|
91
|
52
|
52
|
67
|
60
|
83
|
42
|
|
2024/11
|
94
|
74
|
52
|
30
|
29
|
42
|
47
|
54
|
56
|
60
|
46
|
50
|
45
|
55
|
51
|
36
|
23
|
25
|
39
|
81
|
67
|
39
|
65
|
52
|
47
|
22
|
26
|
39
|
53
|
66
|
|
|
2024/10
|
16
|
29
|
24
|
27
|
42
|
58
|
36
|
47
|
38
|
40
|
40
|
57
|
49
|
33
|
21
|
38
|
50
|
59
|
34
|
44
|
27
|
32
|
35
|
71
|
85
|
95
|
50
|
55
|
59
|
68
|
67
|
|
2024/09
|
32
|
19
|
35
|
30
|
19
|
23
|
44
|
34
|
34
|
31
|
34
|
43
|
49
|
26
|
33
|
42
|
53
|
51
|
50
|
26
|
14
|
28
|
37
|
25
|
41
|
36
|
47
|
48
|
40
|
26
|
|
|
2024/08
|
17
|
37
|
31
|
18
|
14
|
23
|
22
|
36
|
43
|
23
|
40
|
45
|
40
|
46
|
46
|
47
|
53
|
41
|
23
|
31
|
27
|
20
|
25
|
52
|
41
|
36
|
33
|
35
|
39
|
41
|
32
|
|
2024/07
|
47
|
43
|
25
|
44
|
56
|
18
|
34
|
35
|
46
|
42
|
57
|
58
|
41
|
60
|
45
|
19
|
19
|
30
|
38
|
16
|
24
|
19
|
20
|
19
|
15
|
18
|
10
|
15
|
20
|
23
|
18
|
|
2024/06
|
27
|
34
|
38
|
34
|
29
|
28
|
27
|
22
|
38
|
43
|
45
|
35
|
34
|
23
|
23
|
27
|
46
|
47
|
29
|
30
|
33
|
19
|
52
|
22
|
27
|
26
|
31
|
25
|
20
|
30
|
|
|
2024/05
|
44
|
51
|
54
|
41
|
28
|
34
|
44
|
53
|
79
|
50
|
84
|
48
|
48
|
64
|
49
|
48
|
47
|
39
|
30
|
38
|
49
|
25
|
26
|
35
|
39
|
20
|
18
|
32
|
39
|
30
|
23
|
|
2024/04
|
67
|
64
|
56
|
59
|
83
|
77
|
91
|
84
|
139
|
94
|
52
|
38
|
24
|
28
|
76
|
93
|
65
|
70
|
73
|
88
|
68
|
44
|
40
|
24
|
36
|
50
|
59
|
48
|
48
|
50
|
|
|
2024/03
|
46
|
63
|
61
|
80
|
72
|
49
|
74
|
55
|
60
|
54
|
68
|
70
|
87
|
104
|
117
|
105
|
90
|
66
|
53
|
37
|
52
|
29
|
62
|
65
|
58
|
70
|
56
|
180
|
89
|
59
|
74
|
|
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