Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
56
*
PM10
78
O3
0.9
CO
10
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Dec
61
Good
Tue
16 Dec
101
Light
Wed
17 Dec
120
Light
Thu
18 Dec
95
Good
Fri
19 Dec
99
Good
Sat
20 Dec
100
Good
Sun
21 Dec
36
Excellent
Air quality in the last 12 months (Xishan)
|
2025/11
|
115
|
79
|
27
|
34
|
30
|
40
|
37
|
28
|
30
|
52
|
27
|
42
|
51
|
96
|
68
|
60
|
38
|
43
|
51
|
60
|
74
|
103
|
112
|
84
|
100
|
69
|
236
|
151
|
98
|
90
|
|
|
2025/10
|
49
|
29
|
37
|
33
|
36
|
43
|
55
|
23
|
22
|
29
|
48
|
80
|
49
|
25
|
41
|
21
|
24
|
17
|
22
|
25
|
19
|
23
|
26
|
33
|
38
|
36
|
52
|
31
|
30
|
32
|
29
|
|
2025/09
|
21
|
21
|
34
|
35
|
38
|
30
|
48
|
33
|
25
|
24
|
24
|
27
|
41
|
34
|
26
|
35
|
34
|
21
|
24
|
24
|
24
|
21
|
26
|
17
|
27
|
44
|
49
|
49
|
38
|
40
|
|
|
2025/08
|
30
|
18
|
21
|
27
|
39
|
24
|
11
|
13
|
16
|
26
|
21
|
39
|
26
|
16
|
14
|
18
|
23
|
20
|
23
|
30
|
42
|
35
|
24
|
30
|
33
|
27
|
26
|
18
|
21
|
19
|
31
|
|
2025/07
|
18
|
26
|
30
|
40
|
37
|
31
|
19
|
16
|
15
|
40
|
25
|
19
|
36
|
34
|
28
|
36
|
27
|
31
|
18
|
17
|
14
|
15
|
18
|
23
|
21
|
15
|
14
|
17
|
18
|
10
|
17
|
|
2025/06
|
14
|
11
|
45
|
59
|
55
|
36
|
42
|
21
|
24
|
38
|
28
|
29
|
21
|
29
|
13
|
26
|
48
|
46
|
26
|
20
|
19
|
13
|
21
|
31
|
38
|
40
|
20
|
18
|
15
|
28
|
|
|
2025/05
|
51
|
55
|
53
|
34
|
35
|
83
|
68
|
42
|
20
|
43
|
38
|
43
|
46
|
41
|
73
|
35
|
49
|
73
|
53
|
37
|
20
|
49
|
22
|
48
|
54
|
45
|
36
|
40
|
49
|
46
|
51
|
|
2025/04
|
42
|
58
|
42
|
50
|
65
|
71
|
69
|
55
|
73
|
89
|
74
|
153
|
99
|
81
|
50
|
50
|
58
|
61
|
67
|
49
|
51
|
50
|
58
|
77
|
59
|
42
|
42
|
59
|
51
|
52
|
|
|
2025/03
|
53
|
65
|
17
|
18
|
31
|
42
|
59
|
71
|
49
|
48
|
65
|
48
|
41
|
44
|
31
|
43
|
43
|
41
|
51
|
55
|
51
|
52
|
58
|
64
|
78
|
78
|
93
|
50
|
73
|
39
|
36
|
|
2025/02
|
26
|
73
|
74
|
69
|
52
|
37
|
58
|
31
|
42
|
59
|
40
|
84
|
68
|
43
|
86
|
98
|
64
|
45
|
47
|
34
|
30
|
56
|
72
|
80
|
102
|
92
|
107
|
98
|
|||
|
2025/01
|
81
|
58
|
64
|
59
|
94
|
88
|
64
|
61
|
37
|
51
|
60
|
66
|
80
|
110
|
56
|
60
|
66
|
75
|
93
|
164
|
135
|
68
|
43
|
40
|
29
|
44
|
58
|
49
|
71
|
64
|
51
|
|
2024/12
|
62
|
69
|
69
|
40
|
58
|
115
|
141
|
39
|
55
|
41
|
59
|
55
|
73
|
66
|
66
|
63
|
72
|
69
|
39
|
54
|
80
|
49
|
50
|
63
|
77
|
122
|
63
|
66
|
62
|
77
|
83
|
|
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