Air Quality
Excellent
No health implications.
17
PM2.5
28
PM10
60
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
49
Excellent
Tue
15 Sep
46
Excellent
Wed
16 Sep
48
Excellent
Thu
17 Sep
47
Excellent
Fri
18 Sep
36
Excellent
Sat
19 Sep
39
Excellent
Sun
20 Sep
38
Excellent
Air quality in the last 12 months (Xichou)
|
2026/08
|
19
|
18
|
18
|
22
|
28
|
26
|
20
|
32
|
30
|
30
|
42
|
28
|
36
|
34
|
33
|
29
|
28
|
22
|
23
|
25
|
25
|
28
|
28
|
32
|
32
|
27
|
22
|
25
|
18
|
31
|
28
|
|
2026/07
|
13
|
15
|
17
|
17
|
18
|
18
|
18
|
20
|
20
|
20
|
17
|
19
|
23
|
24
|
27
|
19
|
18
|
19
|
30
|
41
|
37
|
29
|
26
|
22
|
19
|
23
|
22
|
15
|
16
|
17
|
18
|
|
2026/06
|
29
|
36
|
30
|
28
|
31
|
23
|
21
|
21
|
25
|
30
|
34
|
22
|
19
|
19
|
21
|
15
|
19
|
18
|
17
|
15
|
18
|
15
|
19
|
20
|
20
|
18
|
14
|
14
|
15
|
17
|
|
|
2026/05
|
31
|
28
|
21
|
29
|
30
|
34
|
36
|
40
|
40
|
19
|
20
|
24
|
24
|
30
|
34
|
40
|
30
|
24
|
24
|
23
|
21
|
22
|
25
|
22
|
25
|
36
|
39
|
36
|
25
|
23
|
32
|
|
2026/04
|
42
|
51
|
55
|
50
|
64
|
67
|
64
|
61
|
45
|
45
|
46
|
52
|
62
|
81
|
107
|
96
|
73
|
57
|
46
|
54
|
58
|
61
|
42
|
40
|
27
|
36
|
43
|
39
|
26
|
25
|
|
|
2026/03
|
49
|
57
|
54
|
43
|
47
|
34
|
40
|
24
|
17
|
23
|
37
|
47
|
50
|
60
|
37
|
36
|
50
|
41
|
50
|
56
|
54
|
34
|
35
|
48
|
59
|
68
|
86
|
104
|
69
|
50
|
54
|
|
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
|
|
|
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