Air Quality
Excellent
No health implications.
21
PM2.5
46
PM10
18
O3
0.6
CO
4
SO2
36
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Aug
36
Excellent
Fri
15 Aug
37
Excellent
Sat
16 Aug
37
Excellent
Sun
17 Aug
35
Excellent
Mon
18 Aug
33
Excellent
Tue
19 Aug
26
Excellent
Wed
20 Aug
23
Excellent
Air quality in the last 12 months (Xishan)
|
2025/06
|
10
|
14
|
13
|
22
|
22
|
34
|
34
|
39
|
37
|
33
|
34
|
44
|
50
|
47
|
20
|
25
|
17
|
8
|
11
|
14
|
24
|
14
|
18
|
12
|
13
|
19
|
16
|
16
|
15
|
18
|
|
|
2025/05
|
33
|
29
|
21
|
16
|
24
|
30
|
25
|
31
|
39
|
40
|
23
|
32
|
30
|
31
|
27
|
23
|
36
|
31
|
30
|
28
|
33
|
34
|
55
|
29
|
19
|
18
|
13
|
12
|
17
|
13
|
9
|
|
2025/04
|
42
|
58
|
83
|
77
|
88
|
70
|
74
|
68
|
65
|
69
|
53
|
51
|
69
|
55
|
56
|
24
|
22
|
26
|
29
|
35
|
30
|
31
|
37
|
51
|
42
|
61
|
65
|
59
|
33
|
32
|
|
|
2025/03
|
45
|
45
|
46
|
43
|
52
|
54
|
41
|
55
|
51
|
51
|
54
|
67
|
71
|
71
|
60
|
41
|
30
|
17
|
39
|
54
|
67
|
62
|
54
|
40
|
38
|
40
|
40
|
89
|
116
|
82
|
71
|
|
2025/02
|
48
|
52
|
28
|
43
|
48
|
49
|
32
|
43
|
46
|
32
|
39
|
50
|
56
|
56
|
56
|
67
|
37
|
41
|
55
|
50
|
56
|
52
|
56
|
31
|
32
|
31
|
38
|
44
|
|||
|
2025/01
|
34
|
42
|
45
|
41
|
38
|
46
|
34
|
30
|
43
|
31
|
20
|
44
|
41
|
46
|
68
|
78
|
47
|
36
|
65
|
48
|
43
|
39
|
36
|
23
|
24
|
29
|
41
|
57
|
93
|
40
|
34
|
|
2024/12
|
23
|
26
|
22
|
26
|
27
|
24
|
28
|
38
|
17
|
24
|
30
|
28
|
41
|
41
|
37
|
28
|
31
|
37
|
36
|
25
|
28
|
21
|
30
|
31
|
30
|
39
|
42
|
45
|
34
|
27
|
42
|
|
2024/11
|
27
|
25
|
49
|
36
|
41
|
49
|
37
|
18
|
25
|
34
|
27
|
21
|
23
|
28
|
35
|
35
|
37
|
34
|
33
|
30
|
19
|
19
|
17
|
16
|
23
|
33
|
27
|
33
|
29
|
22
|
|
|
2024/10
|
10
|
20
|
31
|
22
|
16
|
24
|
30
|
28
|
27
|
19
|
18
|
19
|
22
|
29
|
24
|
20
|
19
|
36
|
44
|
26
|
25
|
18
|
28
|
40
|
42
|
41
|
43
|
36
|
52
|
43
|
42
|
|
2024/09
|
25
|
25
|
23
|
23
|
18
|
32
|
26
|
10
|
8
|
12
|
17
|
19
|
29
|
35
|
29
|
18
|
18
|
21
|
27
|
31
|
28
|
17
|
24
|
39
|
35
|
36
|
28
|
16
|
20
|
24
|
|
|
2024/08
|
31
|
30
|
23
|
18
|
16
|
13
|
15
|
16
|
14
|
24
|
31
|
40
|
52
|
47
|
39
|
36
|
35
|
35
|
30
|
40
|
39
|
20
|
14
|
21
|
24
|
13
|
17
|
23
|
29
|
31
|
29
|
|
2024/07
|
12
|
21
|
11
|
9
|
12
|
13
|
10
|
11
|
15
|
15
|
12
|
16
|
15
|
11
|
17
|
13
|
17
|
16
|
17
|
17
|
13
|
11
|
20
|
25
|
20
|
23
|
30
|
22
|
21
|
15
|
20
|
|
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