Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
117
*
PM2.5
187
PM10
104
O3
1.0
CO
13
SO2
28
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
14 Feb
174
Moderate
Sun
15 Feb
75
Good
Mon
16 Feb
125
Light
Tue
17 Feb
166
Moderate
Wed
18 Feb
138
Light
Thu
19 Feb
102
Light
Fri
20 Feb
16
Excellent
Air quality in the last 12 months (Guan County)
|
2026/01
|
49
|
77
|
145
|
182
|
245
|
144
|
51
|
66
|
101
|
95
|
54
|
76
|
112
|
136
|
147
|
108
|
60
|
52
|
37
|
36
|
65
|
98
|
126
|
190
|
162
|
116
|
179
|
191
|
130
|
91
|
170
|
|
2025/12
|
103
|
42
|
51
|
72
|
92
|
132
|
95
|
68
|
118
|
139
|
138
|
31
|
68
|
84
|
85
|
183
|
146
|
183
|
191
|
146
|
69
|
53
|
84
|
96
|
46
|
57
|
105
|
164
|
162
|
131
|
33
|
|
2025/11
|
89
|
54
|
69
|
89
|
104
|
159
|
100
|
69
|
59
|
75
|
97
|
99
|
87
|
117
|
164
|
134
|
35
|
50
|
61
|
75
|
90
|
114
|
99
|
116
|
44
|
137
|
163
|
146
|
143
|
194
|
|
|
2025/10
|
60
|
25
|
30
|
44
|
14
|
12
|
31
|
29
|
8
|
10
|
13
|
18
|
30
|
46
|
68
|
57
|
35
|
25
|
38
|
36
|
46
|
63
|
75
|
91
|
79
|
84
|
109
|
121
|
71
|
131
|
158
|
|
2025/09
|
33
|
40
|
44
|
42
|
39
|
48
|
58
|
54
|
31
|
44
|
52
|
41
|
54
|
48
|
41
|
39
|
23
|
33
|
19
|
35
|
57
|
29
|
36
|
37
|
50
|
57
|
24
|
47
|
53
|
57
|
|
|
2025/08
|
35
|
36
|
36
|
41
|
39
|
37
|
50
|
42
|
19
|
27
|
39
|
26
|
35
|
43
|
39
|
21
|
23
|
35
|
41
|
29
|
28
|
29
|
30
|
24
|
26
|
44
|
49
|
29
|
41
|
28
|
26
|
|
2025/07
|
16
|
24
|
28
|
35
|
36
|
32
|
38
|
37
|
42
|
59
|
53
|
53
|
56
|
49
|
51
|
36
|
35
|
37
|
48
|
41
|
38
|
26
|
17
|
29
|
35
|
33
|
30
|
34
|
28
|
29
|
32
|
|
2025/06
|
73
|
69
|
46
|
48
|
76
|
78
|
103
|
86
|
80
|
52
|
73
|
68
|
58
|
61
|
40
|
30
|
42
|
55
|
24
|
37
|
44
|
45
|
47
|
49
|
58
|
46
|
52
|
31
|
17
|
25
|
|
|
2025/05
|
54
|
78
|
43
|
51
|
133
|
77
|
80
|
77
|
28
|
30
|
54
|
59
|
64
|
60
|
40
|
78
|
137
|
78
|
98
|
73
|
71
|
64
|
60
|
51
|
51
|
58
|
56
|
63
|
60
|
64
|
63
|
|
2025/04
|
73
|
43
|
63
|
87
|
56
|
81
|
98
|
85
|
73
|
91
|
91
|
167
|
69
|
53
|
58
|
108
|
177
|
89
|
35
|
67
|
60
|
69
|
74
|
67
|
72
|
79
|
71
|
55
|
61
|
76
|
|
|
2025/03
|
151
|
53
|
44
|
35
|
65
|
71
|
84
|
91
|
99
|
97
|
106
|
141
|
111
|
66
|
60
|
38
|
54
|
40
|
56
|
51
|
56
|
67
|
100
|
178
|
164
|
95
|
106
|
172
|
51
|
59
|
76
|
|
2025/02
|
83
|
124
|
68
|
41
|
53
|
100
|
80
|
36
|
61
|
71
|
100
|
125
|
101
|
85
|
88
|
61
|
59
|
68
|
55
|
65
|
81
|
54
|
46
|
62
|
68
|
91
|
111
|
134
|
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6
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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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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
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28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution