Air Quality
Excellent
No health implications.
12
PM2.5
20
PM10
37
O3
0.5
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
50
Excellent
Thu
13 Aug
50
Excellent
Fri
14 Aug
55
Good
Sat
15 Aug
60
Good
Sun
16 Aug
68
Good
Mon
17 Aug
75
Good
Tue
18 Aug
22
Excellent
Air quality in the last 12 months (Guan County)
|
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
|
|
|
2025/08
|
35
|
36
|
36
|
41
|
39
|
37
|
50
|
42
|
19
|
27
|
39
|
26
|
35
|
43
|
39
|
21
|
23
|
35
|
41
|
29
|
28
|
29
|
30
|
24
|
26
|
44
|
49
|
29
|
41
|
28
|
26
|
|
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