Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
61
*
PM2.5
113
PM10
6
O3
1.0
CO
10
SO2
58
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
109
Light
Wed
17 Dec
121
Light
Thu
18 Dec
93
Good
Fri
19 Dec
118
Light
Sat
20 Dec
118
Light
Sun
21 Dec
46
Excellent
Mon
22 Dec
26
Excellent
Air quality in the last 12 months (Guannan)
|
2025/11
|
173
|
94
|
31
|
42
|
30
|
41
|
51
|
24
|
76
|
54
|
38
|
51
|
101
|
123
|
115
|
95
|
38
|
56
|
64
|
64
|
107
|
129
|
107
|
113
|
65
|
69
|
148
|
135
|
101
|
112
|
|
|
2025/10
|
42
|
26
|
21
|
28
|
37
|
45
|
34
|
28
|
26
|
45
|
59
|
22
|
17
|
39
|
17
|
22
|
31
|
26
|
29
|
28
|
25
|
30
|
38
|
45
|
62
|
73
|
47
|
38
|
26
|
24
|
50
|
|
2025/09
|
24
|
15
|
20
|
22
|
28
|
33
|
41
|
30
|
27
|
28
|
26
|
19
|
27
|
35
|
41
|
35
|
21
|
20
|
16
|
32
|
34
|
18
|
19
|
15
|
28
|
21
|
24
|
28
|
64
|
55
|
|
|
2025/08
|
13
|
13
|
18
|
28
|
22
|
35
|
27
|
22
|
22
|
13
|
14
|
16
|
22
|
26
|
29
|
30
|
39
|
37
|
37
|
37
|
42
|
38
|
40
|
28
|
22
|
28
|
22
|
34
|
41
|
26
|
13
|
|
2025/07
|
39
|
31
|
42
|
39
|
43
|
42
|
41
|
14
|
31
|
48
|
38
|
32
|
39
|
27
|
37
|
36
|
28
|
39
|
27
|
28
|
21
|
21
|
19
|
21
|
28
|
26
|
24
|
18
|
21
|
19
|
17
|
|
2025/06
|
36
|
16
|
50
|
68
|
67
|
68
|
63
|
47
|
44
|
40
|
45
|
36
|
28
|
27
|
39
|
60
|
44
|
53
|
31
|
9
|
19
|
41
|
31
|
31
|
43
|
58
|
31
|
28
|
20
|
28
|
|
|
2025/05
|
58
|
63
|
47
|
37
|
24
|
56
|
55
|
45
|
12
|
25
|
43
|
49
|
53
|
77
|
85
|
46
|
68
|
36
|
69
|
57
|
56
|
58
|
59
|
54
|
49
|
58
|
53
|
37
|
36
|
50
|
67
|
|
2025/04
|
56
|
51
|
39
|
62
|
66
|
59
|
71
|
79
|
77
|
61
|
77
|
131
|
73
|
61
|
50
|
60
|
75
|
83
|
86
|
51
|
42
|
56
|
71
|
86
|
58
|
56
|
51
|
46
|
55
|
62
|
|
|
2025/03
|
69
|
29
|
36
|
36
|
63
|
60
|
69
|
98
|
99
|
66
|
94
|
104
|
72
|
55
|
41
|
43
|
51
|
42
|
40
|
63
|
57
|
59
|
76
|
100
|
115
|
93
|
131
|
77
|
63
|
51
|
56
|
|
2025/02
|
49
|
96
|
86
|
46
|
53
|
48
|
56
|
39
|
50
|
63
|
61
|
80
|
51
|
72
|
102
|
107
|
47
|
52
|
38
|
36
|
38
|
45
|
49
|
54
|
72
|
113
|
153
|
155
|
|||
|
2025/01
|
86
|
93
|
54
|
62
|
141
|
97
|
54
|
61
|
47
|
49
|
74
|
104
|
96
|
114
|
55
|
68
|
84
|
108
|
139
|
121
|
123
|
71
|
51
|
30
|
45
|
95
|
53
|
69
|
115
|
81
|
86
|
|
2024/12
|
79
|
97
|
51
|
67
|
154
|
170
|
107
|
45
|
60
|
81
|
63
|
44
|
78
|
63
|
79
|
82
|
101
|
46
|
51
|
84
|
87
|
53
|
65
|
90
|
112
|
90
|
67
|
67
|
67
|
95
|
74
|
|
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