Air Quality
Excellent
No health implications.
21
PM2.5
29
PM10
42
O3
0.5
CO
9
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
36
Excellent
Fri
18 Jul
38
Excellent
Sat
19 Jul
34
Excellent
Sun
20 Jul
36
Excellent
Mon
21 Jul
32
Excellent
Tue
22 Jul
34
Excellent
Wed
23 Jul
19
Excellent
Air quality in the last 12 months (Xichou)
|
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
|
|
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
|
|
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