Air Quality
Excellent
No health implications.
19
PM2.5
30
PM10
87
O3
0.7
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
83
Good
Mon
23 Mar
83
Good
Tue
24 Mar
82
Good
Wed
25 Mar
86
Good
Thu
26 Mar
84
Good
Fri
27 Mar
82
Good
Sat
28 Mar
27
Excellent
Air quality in the last 12 months (Xichou)
|
2026/02
|
24
|
21
|
31
|
43
|
44
|
48
|
49
|
25
|
16
|
28
|
23
|
28
|
28
|
34
|
36
|
48
|
57
|
37
|
17
|
21
|
32
|
41
|
33
|
42
|
37
|
29
|
32
|
42
|
|||
|
2026/01
|
50
|
19
|
18
|
24
|
19
|
21
|
39
|
60
|
46
|
49
|
68
|
72
|
88
|
76
|
84
|
49
|
55
|
50
|
56
|
50
|
43
|
24
|
23
|
25
|
33
|
35
|
35
|
37
|
45
|
44
|
41
|
|
2025/12
|
54
|
63
|
66
|
59
|
46
|
40
|
44
|
47
|
46
|
48
|
50
|
51
|
43
|
33
|
32
|
42
|
42
|
28
|
31
|
49
|
47
|
41
|
44
|
35
|
31
|
36
|
38
|
40
|
41
|
44
|
42
|
|
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
|
|
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