Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
100
O3
0.6
CO
7
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Sep
70
Good
Wed
1 Oct
74
Good
Thu
2 Oct
72
Good
Fri
3 Oct
64
Good
Sat
4 Oct
58
Good
Sun
5 Oct
52
Good
Mon
6 Oct
48
Excellent
Air quality in the last 12 months (Xiuyan)
|
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
|
|
2025/04
|
71
|
60
|
65
|
57
|
38
|
47
|
59
|
64
|
61
|
54
|
47
|
33
|
23
|
22
|
46
|
42
|
72
|
42
|
44
|
34
|
37
|
27
|
48
|
50
|
46
|
54
|
49
|
50
|
55
|
55
|
|
|
2025/03
|
74
|
58
|
40
|
60
|
59
|
70
|
67
|
78
|
91
|
102
|
70
|
59
|
65
|
54
|
56
|
49
|
60
|
60
|
52
|
67
|
58
|
67
|
87
|
86
|
98
|
100
|
61
|
31
|
30
|
32
|
59
|
|
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
|
|
|
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