Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
34
O3
0.8
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Sep
46
Excellent
Sat
21 Sep
40
Excellent
Sun
22 Sep
41
Excellent
Mon
23 Sep
45
Excellent
Tue
24 Sep
43
Excellent
Wed
25 Sep
46
Excellent
Thu
26 Sep
47
Excellent
Air quality in the last 12 months (Xishan)
|
2024/08
|
23
|
20
|
40
|
32
|
39
|
36
|
43
|
36
|
40
|
45
|
44
|
33
|
40
|
32
|
24
|
35
|
27
|
24
|
22
|
25
|
26
|
34
|
46
|
33
|
34
|
32
|
34
|
36
|
27
|
32
|
41
|
|
2024/07
|
22
|
28
|
17
|
30
|
29
|
32
|
22
|
26
|
27
|
26
|
25
|
26
|
16
|
19
|
57
|
51
|
32
|
19
|
28
|
29
|
35
|
35
|
32
|
20
|
22
|
21
|
20
|
18
|
21
|
22
|
23
|
|
2024/06
|
38
|
29
|
36
|
48
|
41
|
20
|
29
|
37
|
39
|
23
|
27
|
37
|
57
|
53
|
42
|
37
|
28
|
26
|
17
|
29
|
40
|
17
|
21
|
30
|
28
|
25
|
19
|
14
|
26
|
12
|
|
|
2024/05
|
40
|
37
|
36
|
40
|
35
|
49
|
68
|
42
|
32
|
45
|
50
|
75
|
76
|
59
|
52
|
31
|
47
|
47
|
34
|
33
|
30
|
35
|
43
|
35
|
31
|
40
|
26
|
29
|
34
|
42
|
66
|
|
2024/04
|
75
|
31
|
31
|
56
|
47
|
50
|
45
|
34
|
68
|
57
|
54
|
39
|
38
|
37
|
64
|
69
|
36
|
80
|
81
|
40
|
44
|
44
|
44
|
60
|
46
|
43
|
33
|
31
|
37
|
44
|
|
|
2024/03
|
48
|
56
|
68
|
45
|
30
|
61
|
63
|
93
|
79
|
64
|
58
|
80
|
49
|
58
|
67
|
48
|
84
|
62
|
79
|
96
|
68
|
63
|
79
|
77
|
51
|
38
|
53
|
56
|
57
|
58
|
84
|
|
2024/02
|
26
|
29
|
21
|
34
|
53
|
74
|
57
|
99
|
186
|
148
|
114
|
75
|
46
|
54
|
58
|
29
|
29
|
33
|
38
|
19
|
16
|
28
|
44
|
55
|
72
|
87
|
58
|
45
|
25
|
||
|
2024/01
|
125
|
77
|
91
|
117
|
114
|
175
|
75
|
40
|
100
|
103
|
106
|
101
|
148
|
126
|
49
|
37
|
48
|
35
|
35
|
52
|
57
|
45
|
36
|
44
|
65
|
90
|
115
|
109
|
111
|
57
|
35
|
|
2023/12
|
53
|
62
|
85
|
101
|
99
|
89
|
101
|
69
|
81
|
57
|
23
|
48
|
60
|
91
|
38
|
49
|
31
|
37
|
49
|
69
|
46
|
47
|
54
|
83
|
107
|
118
|
118
|
170
|
128
|
136
|
187
|
|
2023/11
|
60
|
49
|
57
|
52
|
37
|
38
|
57
|
57
|
78
|
35
|
34
|
40
|
40
|
62
|
95
|
102
|
94
|
49
|
57
|
71
|
79
|
72
|
103
|
51
|
40
|
49
|
85
|
91
|
79
|
39
|
|
|
2023/10
|
38
|
29
|
24
|
30
|
44
|
34
|
21
|
31
|
57
|
64
|
40
|
41
|
39
|
61
|
63
|
80
|
85
|
70
|
77
|
32
|
47
|
54
|
50
|
49
|
85
|
104
|
84
|
42
|
49
|
54
|
59
|
|
2023/09
|
36
|
44
|
45
|
30
|
27
|
30
|
44
|
45
|
45
|
56
|
54
|
35
|
27
|
22
|
25
|
35
|
58
|
60
|
47
|
28
|
30
|
29
|
20
|
24
|
54
|
50
|
66
|
69
|
54
|
40
|
|
|
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