Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
26
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
61
Good
Sun
18 Oct
61
Good
Mon
19 Oct
70
Good
Tue
20 Oct
74
Good
Wed
21 Oct
63
Good
Thu
22 Oct
72
Good
Fri
23 Oct
28
Excellent
Air quality in the last 12 months (Guan County)
|
2026/08
|
22
|
25
|
29
|
36
|
37
|
50
|
49
|
36
|
35
|
38
|
33
|
23
|
21
|
31
|
41
|
41
|
43
|
46
|
48
|
53
|
43
|
39
|
46
|
27
|
31
|
27
|
23
|
24
|
30
|
41
|
46
|
|
2026/07
|
57
|
71
|
55
|
50
|
43
|
37
|
34
|
39
|
38
|
29
|
39
|
38
|
25
|
34
|
32
|
42
|
36
|
37
|
43
|
46
|
44
|
45
|
40
|
37
|
33
|
39
|
33
|
25
|
21
|
19
|
24
|
|
2026/06
|
84
|
90
|
98
|
37
|
56
|
32
|
33
|
58
|
53
|
67
|
61
|
72
|
52
|
58
|
55
|
46
|
52
|
49
|
34
|
41
|
34
|
43
|
58
|
44
|
44
|
43
|
73
|
71
|
62
|
75
|
|
|
2026/05
|
60
|
38
|
32
|
41
|
59
|
57
|
57
|
53
|
57
|
56
|
63
|
70
|
58
|
74
|
60
|
55
|
53
|
30
|
33
|
25
|
37
|
42
|
42
|
59
|
23
|
25
|
42
|
49
|
45
|
62
|
69
|
|
2026/04
|
98
|
72
|
68
|
66
|
100
|
69
|
63
|
55
|
50
|
56
|
64
|
64
|
49
|
59
|
59
|
60
|
73
|
70
|
70
|
77
|
57
|
32
|
45
|
45
|
45
|
58
|
85
|
54
|
46
|
57
|
|
|
2026/03
|
77
|
94
|
112
|
116
|
74
|
53
|
71
|
98
|
100
|
119
|
155
|
120
|
143
|
121
|
42
|
83
|
125
|
59
|
59
|
89
|
95
|
86
|
103
|
103
|
100
|
79
|
111
|
104
|
44
|
61
|
74
|
|
2026/02
|
166
|
161
|
140
|
132
|
147
|
54
|
50
|
74
|
75
|
81
|
121
|
104
|
127
|
142
|
65
|
63
|
144
|
86
|
65
|
64
|
116
|
293
|
80
|
69
|
50
|
70
|
83
|
81
|
|||
|
2026/01
|
49
|
77
|
145
|
182
|
245
|
144
|
51
|
66
|
101
|
95
|
54
|
76
|
112
|
136
|
147
|
108
|
60
|
52
|
37
|
36
|
65
|
98
|
126
|
190
|
162
|
116
|
179
|
191
|
130
|
91
|
170
|
|
2025/12
|
103
|
42
|
51
|
72
|
92
|
132
|
95
|
68
|
118
|
139
|
138
|
31
|
68
|
84
|
85
|
183
|
146
|
183
|
191
|
146
|
69
|
53
|
84
|
96
|
46
|
57
|
105
|
164
|
162
|
131
|
33
|
|
2025/11
|
89
|
54
|
69
|
89
|
104
|
159
|
100
|
69
|
59
|
75
|
97
|
99
|
87
|
117
|
164
|
134
|
35
|
50
|
61
|
75
|
90
|
114
|
99
|
116
|
44
|
137
|
163
|
146
|
143
|
194
|
|
|
2025/10
|
60
|
25
|
30
|
44
|
14
|
12
|
31
|
29
|
8
|
10
|
13
|
18
|
30
|
46
|
68
|
57
|
35
|
25
|
38
|
36
|
46
|
63
|
75
|
91
|
79
|
84
|
109
|
121
|
71
|
131
|
158
|
|
2025/09
|
33
|
40
|
44
|
42
|
39
|
48
|
58
|
54
|
31
|
44
|
52
|
41
|
54
|
48
|
41
|
39
|
23
|
33
|
19
|
35
|
57
|
29
|
36
|
37
|
50
|
57
|
24
|
47
|
53
|
57
|
|
|
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