Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
43
PM2.5
138
*
PM10
47
O3
0.4
CO
4
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Mar
159
Moderate
Thu
13 Mar
76
Good
Fri
14 Mar
71
Good
Sat
15 Mar
51
Good
Sun
16 Mar
54
Good
Mon
17 Mar
55
Good
Tue
18 Mar
44
Excellent
Air quality in the last 12 months (Gu'an)
|
2025/01
|
74
|
34
|
48
|
83
|
76
|
22
|
30
|
21
|
20
|
41
|
47
|
41
|
76
|
48
|
32
|
52
|
76
|
112
|
59
|
87
|
76
|
58
|
70
|
108
|
132
|
109
|
21
|
40
|
196
|
82
|
77
|
|
2024/12
|
96
|
24
|
58
|
73
|
55
|
34
|
19
|
42
|
64
|
52
|
53
|
87
|
46
|
36
|
47
|
54
|
29
|
23
|
60
|
57
|
24
|
36
|
53
|
90
|
101
|
32
|
33
|
44
|
77
|
73
|
59
|
|
2024/11
|
119
|
89
|
60
|
26
|
55
|
68
|
118
|
147
|
132
|
126
|
98
|
124
|
101
|
45
|
59
|
53
|
41
|
58
|
65
|
86
|
45
|
37
|
53
|
114
|
58
|
20
|
22
|
28
|
47
|
58
|
|
|
2024/10
|
15
|
22
|
45
|
66
|
84
|
96
|
37
|
50
|
110
|
31
|
71
|
112
|
127
|
121
|
68
|
54
|
65
|
46
|
20
|
39
|
57
|
37
|
55
|
101
|
152
|
204
|
64
|
62
|
113
|
160
|
171
|
|
2024/09
|
33
|
19
|
43
|
59
|
31
|
31
|
39
|
41
|
61
|
26
|
29
|
31
|
46
|
36
|
40
|
54
|
51
|
53
|
53
|
31
|
12
|
19
|
42
|
63
|
52
|
50
|
48
|
63
|
74
|
11
|
|
|
2024/08
|
32
|
45
|
35
|
26
|
17
|
38
|
48
|
42
|
46
|
47
|
35
|
16
|
18
|
32
|
48
|
44
|
47
|
26
|
29
|
23
|
23
|
32
|
44
|
35
|
41
|
18
|
21
|
35
|
45
|
58
|
55
|
|
2024/07
|
35
|
39
|
44
|
66
|
69
|
30
|
54
|
35
|
63
|
66
|
71
|
59
|
58
|
77
|
55
|
42
|
31
|
38
|
52
|
37
|
46
|
38
|
54
|
47
|
19
|
24
|
35
|
30
|
38
|
15
|
30
|
|
2024/06
|
47
|
59
|
57
|
63
|
64
|
74
|
59
|
50
|
59
|
65
|
63
|
65
|
82
|
45
|
45
|
64
|
64
|
64
|
64
|
63
|
54
|
83
|
89
|
38
|
46
|
71
|
59
|
66
|
68
|
42
|
|
|
2024/05
|
55
|
63
|
61
|
76
|
60
|
66
|
70
|
73
|
72
|
87
|
131
|
44
|
68
|
80
|
35
|
64
|
74
|
85
|
60
|
36
|
46
|
73
|
73
|
34
|
24
|
30
|
42
|
61
|
71
|
63
|
25
|
|
2024/04
|
82
|
79
|
73
|
65
|
73
|
96
|
71
|
94
|
51
|
66
|
111
|
89
|
71
|
58
|
114
|
75
|
96
|
100
|
84
|
56
|
93
|
88
|
37
|
60
|
93
|
98
|
96
|
43
|
29
|
31
|
|
|
2024/03
|
39
|
89
|
75
|
64
|
76
|
73
|
91
|
33
|
68
|
108
|
106
|
86
|
75
|
85
|
101
|
131
|
51
|
122
|
95
|
62
|
87
|
78
|
93
|
86
|
76
|
96
|
139
|
267
|
118
|
72
|
89
|
|
2024/02
|
55
|
74
|
106
|
97
|
112
|
96
|
42
|
73
|
159
|
53
|
96
|
148
|
183
|
121
|
34
|
67
|
84
|
95
|
45
|
35
|
28
|
25
|
44
|
75
|
72
|
86
|
72
|
88
|
44
|
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1
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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19
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20
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21
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22
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23
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24
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25
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26
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27
|
28
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution