Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
42
O3
0.7
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Sep
37
Excellent
Tue
29 Sep
36
Excellent
Wed
30 Sep
38
Excellent
Thu
1 Oct
40
Excellent
Fri
2 Oct
39
Excellent
Sat
3 Oct
36
Excellent
Sun
4 Oct
18
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