Air Quality
Excellent
No health implications.
24
PM2.5
37
PM10
54
O3
0.7
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
79
Good
Wed
13 May
82
Good
Thu
14 May
83
Good
Fri
15 May
76
Good
Sat
16 May
68
Good
Sun
17 May
49
Excellent
Mon
18 May
44
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