Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
39
O3
0.5
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Oct
47
Excellent
Sat
17 Oct
49
Excellent
Sun
18 Oct
49
Excellent
Mon
19 Oct
38
Excellent
Tue
20 Oct
36
Excellent
Wed
21 Oct
17
Excellent
Thu
22 Oct
35
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