Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
20
PM2.5
41
PM10
172
O3
0.4
CO
7
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
11 Jun
148
Light
Fri
12 Jun
115
Light
Sat
13 Jun
68
Good
Sun
14 Jun
105
Light
Mon
15 Jun
106
Light
Tue
16 Jun
93
Good
Wed
17 Jun
37
Excellent
Air quality in the last 12 months (Xishan)
|
2026/04
|
70
|
71
|
35
|
62
|
82
|
79
|
39
|
39
|
32
|
62
|
52
|
28
|
27
|
52
|
56
|
39
|
54
|
44
|
38
|
44
|
70
|
21
|
33
|
56
|
52
|
59
|
66
|
41
|
24
|
49
|
|
|
2026/03
|
28
|
22
|
48
|
24
|
46
|
55
|
42
|
34
|
43
|
38
|
45
|
43
|
70
|
51
|
53
|
42
|
62
|
40
|
68
|
65
|
44
|
53
|
45
|
45
|
86
|
72
|
47
|
47
|
60
|
35
|
59
|
|
2026/02
|
75
|
89
|
72
|
61
|
99
|
64
|
35
|
41
|
38
|
46
|
95
|
125
|
94
|
84
|
99
|
35
|
52
|
88
|
83
|
42
|
39
|
114
|
60
|
23
|
36
|
27
|
21
|
39
|
|||
|
2026/01
|
20
|
34
|
50
|
80
|
98
|
140
|
54
|
75
|
74
|
91
|
60
|
55
|
69
|
76
|
97
|
132
|
102
|
50
|
24
|
27
|
40
|
43
|
67
|
91
|
64
|
22
|
63
|
53
|
39
|
23
|
32
|
|
2025/12
|
98
|
54
|
37
|
46
|
66
|
59
|
86
|
78
|
57
|
39
|
87
|
28
|
32
|
56
|
60
|
71
|
87
|
63
|
68
|
103
|
32
|
27
|
36
|
58
|
48
|
31
|
43
|
63
|
94
|
84
|
29
|
|
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
|
|
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