Air Quality
Excellent
No health implications.
21
PM2.5
25
PM10
67
O3
0.4
CO
12
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
54
Good
Thu
20 Mar
60
Good
Fri
21 Mar
58
Good
Sat
22 Mar
41
Excellent
Sun
23 Mar
45
Excellent
Mon
24 Mar
15
Excellent
Tue
25 Mar
50
Excellent
Air quality in the last 12 months (Xichou)
|
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
|
|
2024/11
|
35
|
44
|
45
|
39
|
45
|
51
|
52
|
57
|
54
|
54
|
52
|
46
|
50
|
53
|
46
|
45
|
55
|
53
|
58
|
37
|
39
|
42
|
38
|
47
|
47
|
31
|
18
|
22
|
42
|
46
|
|
|
2024/10
|
13
|
16
|
26
|
28
|
35
|
38
|
42
|
60
|
44
|
40
|
44
|
50
|
62
|
40
|
27
|
14
|
17
|
29
|
34
|
26
|
31
|
32
|
26
|
43
|
45
|
33
|
43
|
44
|
41
|
33
|
34
|
|
2024/09
|
26
|
19
|
26
|
22
|
25
|
33
|
27
|
10
|
10
|
12
|
16
|
19
|
22
|
25
|
29
|
26
|
19
|
24
|
26
|
35
|
31
|
16
|
29
|
36
|
39
|
44
|
46
|
40
|
26
|
19
|
|
|
2024/08
|
11
|
14
|
12
|
13
|
15
|
18
|
18
|
19
|
17
|
22
|
20
|
31
|
27
|
38
|
45
|
33
|
37
|
41
|
29
|
28
|
22
|
12
|
13
|
16
|
15
|
14
|
16
|
27
|
29
|
29
|
24
|
|
2024/07
|
16
|
16
|
12
|
15
|
15
|
17
|
17
|
18
|
18
|
15
|
13
|
16
|
18
|
15
|
17
|
17
|
15
|
13
|
12
|
13
|
14
|
17
|
22
|
15
|
18
|
23
|
31
|
21
|
13
|
12
|
15
|
|
2024/06
|
23
|
26
|
20
|
21
|
13
|
14
|
13
|
13
|
13
|
14
|
16
|
19
|
17
|
16
|
15
|
17
|
25
|
27
|
29
|
25
|
22
|
23
|
22
|
17
|
22
|
11
|
12
|
16
|
16
|
14
|
|
|
2024/05
|
64
|
48
|
32
|
47
|
39
|
32
|
36
|
33
|
13
|
18
|
27
|
32
|
25
|
25
|
25
|
17
|
32
|
31
|
23
|
24
|
32
|
29
|
30
|
29
|
31
|
13
|
16
|
15
|
21
|
23
|
18
|
|
2024/04
|
63
|
60
|
74
|
82
|
78
|
83
|
70
|
49
|
33
|
46
|
50
|
60
|
69
|
65
|
88
|
94
|
84
|
50
|
59
|
45
|
44
|
50
|
49
|
49
|
46
|
50
|
61
|
64
|
72
|
62
|
|
|
2024/03
|
21
|
26
|
41
|
62
|
42
|
48
|
94
|
69
|
45
|
28
|
29
|
44
|
52
|
45
|
55
|
68
|
94
|
81
|
39
|
45
|
44
|
47
|
41
|
49
|
55
|
62
|
64
|
61
|
42
|
65
|
69
|
|
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