Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
23
O3
0.4
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
43
Excellent
Sat
22 Aug
45
Excellent
Sun
23 Aug
45
Excellent
Mon
24 Aug
47
Excellent
Tue
25 Aug
49
Excellent
Wed
26 Aug
49
Excellent
Thu
27 Aug
33
Excellent
Air quality in the last 12 months (Guannan)
|
2026/07
|
29
|
43
|
32
|
28
|
16
|
21
|
25
|
27
|
29
|
48
|
25
|
35
|
18
|
29
|
34
|
32
|
34
|
25
|
30
|
27
|
27
|
23
|
18
|
26
|
32
|
33
|
41
|
32
|
36
|
27
|
28
|
|
2026/06
|
47
|
44
|
45
|
47
|
34
|
40
|
30
|
49
|
43
|
56
|
51
|
70
|
61
|
38
|
29
|
30
|
28
|
33
|
25
|
34
|
48
|
32
|
27
|
27
|
48
|
41
|
45
|
54
|
58
|
44
|
|
|
2026/05
|
46
|
62
|
57
|
34
|
48
|
49
|
49
|
34
|
42
|
49
|
51
|
41
|
52
|
41
|
32
|
35
|
33
|
35
|
32
|
28
|
35
|
40
|
32
|
26
|
22
|
19
|
40
|
54
|
44
|
46
|
60
|
|
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
|
|
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