Air Quality
Excellent
No health implications.
9
PM2.5
28
PM10
68
O3
0.5
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
47
Excellent
Wed
17 Dec
47
Excellent
Thu
18 Dec
43
Excellent
Fri
19 Dec
43
Excellent
Sat
20 Dec
46
Excellent
Sun
21 Dec
46
Excellent
Mon
22 Dec
29
Excellent
Air quality in the last 12 months (Xichou)
|
2025/11
|
19
|
13
|
11
|
15
|
14
|
18
|
19
|
13
|
12
|
11
|
18
|
29
|
31
|
30
|
31
|
36
|
31
|
15
|
17
|
32
|
41
|
43
|
36
|
42
|
48
|
49
|
47
|
46
|
47
|
49
|
|
|
2025/10
|
12
|
14
|
18
|
20
|
22
|
18
|
10
|
13
|
17
|
22
|
32
|
34
|
34
|
24
|
14
|
13
|
20
|
26
|
27
|
24
|
18
|
17
|
23
|
26
|
15
|
16
|
18
|
21
|
26
|
28
|
27
|
|
2025/09
|
16
|
16
|
17
|
22
|
25
|
25
|
29
|
26
|
17
|
16
|
15
|
16
|
13
|
19
|
22
|
19
|
18
|
14
|
16
|
20
|
25
|
27
|
16
|
14
|
15
|
10
|
13
|
18
|
12
|
9
|
|
|
2025/08
|
19
|
27
|
23
|
22
|
28
|
29
|
15
|
18
|
17
|
20
|
19
|
24
|
24
|
36
|
22
|
13
|
14
|
21
|
14
|
15
|
14
|
16
|
16
|
18
|
19
|
12
|
13
|
14
|
17
|
18
|
17
|
|
2025/07
|
11
|
10
|
12
|
13
|
16
|
22
|
24
|
21
|
23
|
16
|
18
|
22
|
21
|
23
|
20
|
20
|
19
|
26
|
24
|
28
|
19
|
13
|
10
|
10
|
11
|
14
|
19
|
25
|
33
|
25
|
20
|
|
2025/06
|
20
|
19
|
19
|
25
|
22
|
34
|
34
|
26
|
25
|
35
|
39
|
26
|
29
|
33
|
23
|
20
|
19
|
14
|
18
|
16
|
15
|
14
|
14
|
14
|
14
|
14
|
13
|
16
|
11
|
13
|
|
|
2025/05
|
37
|
41
|
33
|
21
|
28
|
34
|
39
|
44
|
41
|
22
|
17
|
23
|
34
|
42
|
26
|
19
|
22
|
20
|
20
|
19
|
27
|
28
|
32
|
49
|
27
|
22
|
18
|
20
|
14
|
19
|
15
|
|
2025/04
|
38
|
59
|
65
|
83
|
98
|
38
|
43
|
48
|
53
|
54
|
58
|
59
|
106
|
93
|
64
|
50
|
51
|
39
|
40
|
40
|
34
|
32
|
43
|
50
|
35
|
44
|
55
|
36
|
35
|
35
|
|
|
2025/03
|
36
|
40
|
56
|
66
|
81
|
44
|
45
|
42
|
47
|
39
|
47
|
47
|
45
|
51
|
57
|
27
|
32
|
20
|
32
|
41
|
56
|
79
|
83
|
79
|
69
|
63
|
66
|
86
|
79
|
35
|
26
|
|
2025/02
|
46
|
46
|
21
|
32
|
63
|
46
|
20
|
24
|
25
|
35
|
46
|
56
|
37
|
41
|
46
|
46
|
28
|
24
|
26
|
28
|
22
|
23
|
20
|
15
|
19
|
17
|
26
|
36
|
|||
|
2025/01
|
54
|
62
|
84
|
87
|
63
|
94
|
114
|
99
|
64
|
23
|
39
|
50
|
56
|
69
|
73
|
85
|
90
|
106
|
79
|
69
|
94
|
105
|
60
|
38
|
47
|
24
|
41
|
51
|
68
|
48
|
51
|
|
2024/12
|
48
|
61
|
50
|
48
|
47
|
23
|
20
|
18
|
20
|
30
|
36
|
26
|
32
|
36
|
68
|
71
|
55
|
55
|
70
|
75
|
81
|
81
|
83
|
78
|
83
|
91
|
71
|
43
|
50
|
65
|
49
|
|
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