Air Quality
Excellent
No health implications.
19
PM2.5
41
PM10
58
O3
0.7
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
93
Good
Fri
22 Aug
97
Good
Sat
23 Aug
93
Good
Sun
24 Aug
92
Good
Mon
25 Aug
97
Good
Tue
26 Aug
35
Excellent
Wed
27 Aug
47
Excellent
Air quality in the last 12 months (Guannan)
|
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
|
|
2024/11
|
45
|
77
|
94
|
74
|
38
|
47
|
40
|
41
|
40
|
40
|
59
|
100
|
81
|
55
|
57
|
68
|
37
|
29
|
29
|
48
|
81
|
65
|
33
|
33
|
24
|
43
|
64
|
62
|
60
|
66
|
|
|
2024/10
|
25
|
26
|
35
|
34
|
24
|
29
|
38
|
42
|
46
|
70
|
109
|
97
|
43
|
56
|
95
|
65
|
22
|
18
|
36
|
37
|
35
|
61
|
42
|
51
|
49
|
33
|
70
|
41
|
48
|
64
|
52
|
|
2024/09
|
42
|
30
|
28
|
25
|
38
|
30
|
23
|
19
|
21
|
20
|
20
|
12
|
30
|
34
|
30
|
29
|
16
|
18
|
17
|
14
|
27
|
31
|
30
|
34
|
28
|
42
|
38
|
22
|
29
|
33
|
|
|
2024/08
|
21
|
18
|
28
|
36
|
31
|
21
|
21
|
20
|
32
|
37
|
94
|
57
|
50
|
26
|
25
|
21
|
26
|
20
|
16
|
13
|
28
|
46
|
46
|
47
|
29
|
30
|
17
|
22
|
24
|
31
|
33
|
|
2024/07
|
34
|
21
|
42
|
23
|
25
|
21
|
21
|
20
|
17
|
57
|
73
|
65
|
17
|
15
|
16
|
41
|
31
|
13
|
19
|
19
|
25
|
29
|
41
|
44
|
21
|
25
|
25
|
23
|
28
|
39
|
32
|
|
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