Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
43
O3
0.4
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Oct
40
Excellent
Sun
4 Oct
39
Excellent
Mon
5 Oct
39
Excellent
Tue
6 Oct
39
Excellent
Wed
7 Oct
38
Excellent
Thu
8 Oct
46
Excellent
Fri
9 Oct
36
Excellent
Air quality in the last 12 months (Xishan)
|
2026/08
|
15
|
14
|
15
|
28
|
29
|
26
|
23
|
24
|
23
|
24
|
33
|
32
|
37
|
31
|
37
|
32
|
26
|
20
|
22
|
27
|
29
|
26
|
34
|
31
|
30
|
20
|
21
|
31
|
19
|
22
|
29
|
|
2026/07
|
24
|
17
|
18
|
17
|
30
|
19
|
28
|
25
|
35
|
29
|
24
|
21
|
24
|
27
|
24
|
21
|
22
|
23
|
30
|
47
|
43
|
44
|
33
|
33
|
26
|
20
|
28
|
19
|
15
|
19
|
17
|
|
2026/06
|
25
|
23
|
23
|
31
|
33
|
28
|
26
|
26
|
29
|
32
|
33
|
19
|
19
|
22
|
25
|
18
|
17
|
18
|
19
|
24
|
16
|
18
|
16
|
19
|
21
|
15
|
18
|
15
|
23
|
22
|
|
|
2026/05
|
27
|
27
|
23
|
32
|
53
|
27
|
37
|
38
|
39
|
25
|
30
|
25
|
25
|
31
|
33
|
38
|
39
|
42
|
41
|
48
|
36
|
33
|
33
|
28
|
31
|
36
|
44
|
45
|
28
|
26
|
26
|
|
2026/04
|
39
|
37
|
34
|
36
|
40
|
35
|
36
|
48
|
34
|
34
|
39
|
40
|
48
|
58
|
69
|
53
|
56
|
55
|
58
|
42
|
47
|
49
|
51
|
57
|
41
|
44
|
40
|
31
|
31
|
30
|
|
|
2026/03
|
51
|
51
|
55
|
46
|
66
|
69
|
70
|
73
|
28
|
35
|
59
|
54
|
38
|
28
|
29
|
32
|
39
|
34
|
41
|
37
|
52
|
53
|
30
|
43
|
61
|
38
|
40
|
52
|
38
|
32
|
34
|
|
2026/02
|
40
|
40
|
35
|
37
|
40
|
42
|
64
|
53
|
39
|
31
|
30
|
27
|
27
|
35
|
43
|
62
|
135
|
54
|
43
|
31
|
21
|
27
|
36
|
41
|
47
|
38
|
34
|
44
|
|||
|
2026/01
|
48
|
29
|
24
|
23
|
29
|
43
|
41
|
41
|
33
|
33
|
56
|
35
|
53
|
42
|
53
|
34
|
49
|
43
|
38
|
34
|
28
|
34
|
35
|
37
|
31
|
40
|
34
|
42
|
31
|
32
|
46
|
|
2025/12
|
46
|
44
|
55
|
32
|
36
|
40
|
47
|
48
|
34
|
45
|
45
|
37
|
58
|
59
|
33
|
36
|
45
|
36
|
33
|
42
|
40
|
26
|
32
|
28
|
47
|
41
|
42
|
38
|
28
|
30
|
27
|
|
2025/11
|
35
|
14
|
10
|
29
|
22
|
14
|
24
|
31
|
11
|
12
|
21
|
26
|
28
|
29
|
32
|
34
|
34
|
32
|
21
|
37
|
38
|
32
|
26
|
40
|
38
|
58
|
45
|
57
|
57
|
51
|
|
|
2025/10
|
7
|
12
|
15
|
16
|
19
|
26
|
8
|
8
|
12
|
16
|
20
|
21
|
30
|
28
|
20
|
16
|
14
|
19
|
21
|
26
|
17
|
23
|
25
|
37
|
32
|
28
|
31
|
32
|
22
|
31
|
38
|
|
2025/09
|
20
|
26
|
18
|
17
|
19
|
20
|
24
|
25
|
25
|
21
|
13
|
15
|
15
|
14
|
20
|
14
|
19
|
21
|
20
|
28
|
23
|
28
|
18
|
17
|
27
|
12
|
14
|
19
|
12
|
11
|
|
|
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