Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
23
PM2.5
59
PM10
178
O3
0.5
CO
8
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 May
112
Lightly
Sat
4 May
94
Good
Sun
5 May
82
Good
Mon
6 May
78
Good
Tue
7 May
94
Good
Wed
8 May
108
Lightly
Thu
9 May
98
Good
Air quality in the last 12 months (Guan County)
|
2024/02
|
36
|
42
|
68
|
59
|
85
|
137
|
169
|
206
|
218
|
316
|
175
|
97
|
87
|
122
|
42
|
64
|
53
|
96
|
56
|
40
|
32
|
28
|
35
|
54
|
136
|
81
|
81
|
101
|
92
|
||
|
2024/01
|
157
|
219
|
185
|
104
|
133
|
93
|
55
|
80
|
134
|
99
|
195
|
279
|
336
|
108
|
62
|
61
|
101
|
93
|
37
|
41
|
46
|
29
|
54
|
65
|
72
|
89
|
98
|
106
|
126
|
205
|
192
|
|
2023/12
|
68
|
72
|
99
|
135
|
191
|
191
|
117
|
91
|
93
|
32
|
42
|
76
|
110
|
58
|
59
|
36
|
61
|
83
|
161
|
47
|
40
|
89
|
135
|
138
|
143
|
171
|
68
|
119
|
203
|
252
|
148
|
|
2023/11
|
69
|
133
|
125
|
97
|
36
|
44
|
56
|
81
|
78
|
22
|
43
|
63
|
63
|
101
|
163
|
89
|
52
|
76
|
95
|
136
|
158
|
213
|
91
|
35
|
58
|
88
|
132
|
79
|
48
|
54
|
|
|
2023/10
|
50
|
53
|
55
|
76
|
60
|
70
|
55
|
65
|
66
|
55
|
70
|
105
|
152
|
142
|
111
|
78
|
95
|
72
|
54
|
39
|
69
|
97
|
90
|
103
|
116
|
104
|
82
|
157
|
152
|
211
|
139
|
|
2023/09
|
59
|
73
|
73
|
78
|
83
|
85
|
84
|
73
|
67
|
63
|
69
|
50
|
41
|
58
|
60
|
64
|
58
|
63
|
45
|
34
|
46
|
49
|
57
|
36
|
42
|
56
|
57
|
53
|
53
|
54
|
|
|
2023/08
|
32
|
30
|
35
|
37
|
29
|
29
|
41
|
57
|
59
|
54
|
59
|
39
|
39
|
45
|
52
|
52
|
63
|
51
|
49
|
49
|
36
|
57
|
55
|
41
|
50
|
37
|
25
|
35
|
52
|
51
|
62
|
|
2023/07
|
72
|
64
|
40
|
38
|
71
|
66
|
75
|
66
|
72
|
45
|
42
|
26
|
37
|
64
|
46
|
38
|
70
|
69
|
51
|
31
|
30
|
38
|
53
|
49
|
52
|
42
|
49
|
31
|
16
|
16
|
29
|
|
2023/06
|
58
|
57
|
66
|
41
|
53
|
61
|
80
|
59
|
73
|
63
|
83
|
61
|
81
|
74
|
78
|
74
|
79
|
46
|
25
|
54
|
62
|
83
|
69
|
85
|
45
|
46
|
66
|
33
|
43
|
67
|
|
|
2023/05
|
91
|
72
|
70
|
36
|
28
|
49
|
44
|
50
|
55
|
67
|
71
|
66
|
59
|
71
|
77
|
69
|
56
|
56
|
70
|
108
|
107
|
49
|
61
|
62
|
53
|
63
|
45
|
22
|
42
|
56
|
62
|
|
2023/04
|
67
|
70
|
60
|
29
|
30
|
45
|
50
|
69
|
81
|
80
|
440
|
497
|
206
|
287
|
265
|
74
|
88
|
100
|
88
|
105
|
52
|
27
|
40
|
38
|
49
|
61
|
59
|
118
|
87
|
70
|
|
|
2023/03
|
112
|
87
|
104
|
120
|
140
|
126
|
152
|
136
|
122
|
86
|
211
|
73
|
120
|
91
|
163
|
81
|
44
|
63
|
80
|
99
|
125
|
312
|
310
|
133
|
113
|
89
|
105
|
101
|
83
|
69
|
72
|
|
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