Air Quality
Excellent
No health implications.
12
PM2.5
17
PM10
32
O3
0.6
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Feb
49
Excellent
Fri
20 Feb
44
Excellent
Sat
21 Feb
38
Excellent
Sun
22 Feb
36
Excellent
Mon
23 Feb
32
Excellent
Tue
24 Feb
34
Excellent
Wed
25 Feb
15
Excellent
Air quality in the last 12 months (Xichou)
|
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
|
|
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
|
|||
|
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