Air Quality
Excellent
No health implications.
8
PM2.5
13
PM10
116
O3
0.5
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
101
Light
Wed
13 May
100
Good
Thu
14 May
92
Good
Fri
15 May
63
Good
Sat
16 May
48
Excellent
Sun
17 May
21
Excellent
Mon
18 May
48
Excellent
Air quality in the last 12 months (Guannan)
|
2026/04
|
123
|
88
|
86
|
56
|
79
|
59
|
35
|
34
|
44
|
60
|
67
|
46
|
36
|
51
|
52
|
54
|
57
|
36
|
35
|
56
|
72
|
31
|
40
|
46
|
52
|
57
|
78
|
44
|
39
|
46
|
|
|
2026/03
|
39
|
40
|
77
|
53
|
42
|
60
|
38
|
31
|
59
|
69
|
53
|
78
|
82
|
57
|
76
|
81
|
54
|
63
|
47
|
109
|
87
|
80
|
86
|
82
|
93
|
91
|
82
|
79
|
70
|
65
|
96
|
|
2026/02
|
90
|
77
|
87
|
103
|
143
|
50
|
46
|
46
|
50
|
73
|
132
|
129
|
108
|
102
|
91
|
42
|
95
|
106
|
82
|
66
|
51
|
142
|
49
|
43
|
74
|
22
|
49
|
65
|
|||
|
2026/01
|
45
|
41
|
66
|
91
|
106
|
97
|
116
|
55
|
69
|
93
|
45
|
68
|
96
|
140
|
192
|
211
|
49
|
34
|
29
|
42
|
45
|
62
|
78
|
120
|
70
|
37
|
80
|
63
|
44
|
40
|
59
|
|
2025/12
|
80
|
45
|
42
|
64
|
50
|
86
|
108
|
55
|
65
|
56
|
97
|
37
|
56
|
76
|
74
|
89
|
87
|
66
|
101
|
111
|
37
|
30
|
33
|
74
|
48
|
31
|
47
|
80
|
122
|
92
|
36
|
|
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
|
|
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