Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
95
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
54
Good
Tue
19 May
57
Good
Wed
20 May
71
Good
Thu
21 May
76
Good
Fri
22 May
61
Good
Sat
23 May
64
Good
Sun
24 May
24
Excellent
Air quality in the last 12 months (Xiuyan)
|
2026/04
|
72
|
71
|
65
|
40
|
39
|
27
|
33
|
42
|
36
|
54
|
47
|
70
|
69
|
100
|
94
|
61
|
53
|
58
|
59
|
100
|
83
|
62
|
53
|
55
|
60
|
49
|
43
|
32
|
41
|
51
|
|
|
2026/03
|
157
|
200
|
257
|
120
|
62
|
36
|
56
|
68
|
45
|
54
|
66
|
80
|
66
|
127
|
208
|
148
|
108
|
51
|
52
|
58
|
81
|
95
|
124
|
98
|
135
|
142
|
66
|
64
|
66
|
35
|
54
|
|
2026/02
|
84
|
47
|
64
|
126
|
118
|
51
|
47
|
51
|
63
|
86
|
75
|
98
|
117
|
104
|
65
|
79
|
249
|
47
|
63
|
66
|
68
|
63
|
52
|
78
|
68
|
81
|
113
|
105
|
|||
|
2026/01
|
44
|
58
|
69
|
85
|
53
|
72
|
39
|
48
|
67
|
76
|
37
|
42
|
30
|
36
|
91
|
76
|
29
|
41
|
35
|
48
|
48
|
61
|
64
|
54
|
46
|
68
|
46
|
47
|
51
|
51
|
70
|
|
2025/12
|
40
|
29
|
32
|
49
|
54
|
102
|
82
|
35
|
70
|
133
|
45
|
49
|
87
|
82
|
56
|
90
|
72
|
53
|
60
|
37
|
33
|
39
|
41
|
47
|
30
|
46
|
55
|
97
|
48
|
42
|
24
|
|
2025/11
|
51
|
40
|
39
|
68
|
64
|
81
|
108
|
76
|
48
|
36
|
54
|
87
|
40
|
58
|
81
|
65
|
43
|
54
|
51
|
41
|
60
|
63
|
121
|
205
|
49
|
49
|
34
|
32
|
78
|
56
|
|
|
2025/10
|
51
|
43
|
46
|
34
|
52
|
33
|
24
|
31
|
38
|
48
|
71
|
51
|
60
|
49
|
83
|
61
|
81
|
22
|
28
|
24
|
37
|
48
|
56
|
73
|
96
|
63
|
41
|
46
|
54
|
48
|
52
|
|
2025/09
|
33
|
46
|
36
|
38
|
30
|
24
|
36
|
36
|
45
|
33
|
42
|
44
|
43
|
35
|
29
|
20
|
16
|
29
|
44
|
29
|
44
|
42
|
27
|
28
|
43
|
33
|
43
|
32
|
45
|
39
|
|
|
2025/08
|
20
|
21
|
25
|
20
|
25
|
23
|
23
|
28
|
20
|
26
|
25
|
25
|
23
|
29
|
20
|
23
|
22
|
17
|
20
|
12
|
17
|
19
|
25
|
25
|
19
|
18
|
32
|
23
|
25
|
26
|
22
|
|
2025/07
|
15
|
17
|
10
|
17
|
26
|
22
|
37
|
33
|
37
|
40
|
31
|
34
|
36
|
27
|
29
|
18
|
23
|
36
|
19
|
15
|
24
|
16
|
12
|
16
|
25
|
25
|
26
|
36
|
24
|
21
|
31
|
|
2025/06
|
65
|
52
|
31
|
21
|
43
|
50
|
33
|
26
|
35
|
19
|
37
|
27
|
20
|
26
|
25
|
19
|
25
|
32
|
24
|
22
|
23
|
33
|
41
|
38
|
48
|
31
|
30
|
36
|
23
|
12
|
|
|
2025/05
|
32
|
29
|
29
|
35
|
37
|
35
|
42
|
35
|
55
|
43
|
47
|
54
|
49
|
42
|
47
|
26
|
25
|
31
|
43
|
49
|
47
|
73
|
48
|
41
|
53
|
48
|
38
|
41
|
40
|
46
|
45
|
|
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