Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
147
O3
0.4
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
60
Good
Sat
10 May
40
Excellent
Sun
11 May
65
Good
Mon
12 May
60
Good
Tue
13 May
57
Good
Wed
14 May
38
Excellent
Thu
15 May
35
Excellent
Air quality in the last 12 months (Xishan)
|
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
|
|
2024/06
|
37
|
25
|
32
|
33
|
19
|
18
|
13
|
12
|
14
|
12
|
17
|
18
|
11
|
17
|
24
|
17
|
25
|
24
|
25
|
33
|
25
|
20
|
19
|
20
|
18
|
17
|
11
|
12
|
22
|
12
|
|
|
2024/05
|
53
|
46
|
29
|
51
|
44
|
34
|
35
|
43
|
23
|
24
|
23
|
29
|
21
|
29
|
25
|
22
|
27
|
31
|
25
|
19
|
26
|
33
|
28
|
26
|
21
|
8
|
11
|
15
|
15
|
26
|
17
|
|
2024/04
|
31
|
40
|
53
|
53
|
52
|
66
|
60
|
56
|
57
|
54
|
70
|
65
|
45
|
37
|
47
|
60
|
69
|
50
|
40
|
40
|
32
|
47
|
52
|
48
|
46
|
45
|
53
|
58
|
44
|
55
|
|
|
2024/03
|
44
|
51
|
32
|
37
|
26
|
28
|
36
|
55
|
36
|
52
|
38
|
62
|
56
|
50
|
54
|
53
|
65
|
48
|
52
|
59
|
54
|
39
|
24
|
29
|
32
|
45
|
51
|
48
|
49
|
56
|
50
|
|
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