Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
60
*
PM2.5
108
PM10
108
O3
0.7
CO
5
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Feb
156
Moderate
Sun
15 Feb
97
Good
Mon
16 Feb
147
Light
Tue
17 Feb
190
Moderate
Wed
18 Feb
159
Moderate
Thu
19 Feb
117
Light
Fri
20 Feb
44
Excellent
Air quality in the last 12 months (Cao County)
|
2026/01
|
44
|
75
|
102
|
110
|
249
|
99
|
54
|
69
|
68
|
93
|
55
|
71
|
100
|
188
|
96
|
113
|
69
|
52
|
51
|
36
|
55
|
81
|
114
|
150
|
191
|
164
|
205
|
114
|
114
|
125
|
118
|
|
2025/12
|
139
|
80
|
53
|
94
|
110
|
123
|
95
|
83
|
80
|
103
|
169
|
42
|
63
|
83
|
64
|
151
|
181
|
167
|
200
|
178
|
76
|
41
|
79
|
91
|
69
|
52
|
86
|
117
|
187
|
171
|
71
|
|
2025/11
|
115
|
89
|
60
|
83
|
102
|
76
|
66
|
90
|
73
|
77
|
63
|
78
|
121
|
168
|
164
|
146
|
40
|
53
|
58
|
86
|
156
|
92
|
82
|
112
|
60
|
112
|
243
|
126
|
100
|
130
|
|
|
2025/10
|
29
|
8
|
23
|
29
|
13
|
11
|
38
|
48
|
12
|
12
|
18
|
19
|
24
|
37
|
40
|
52
|
21
|
38
|
42
|
42
|
45
|
62
|
84
|
82
|
79
|
96
|
107
|
90
|
71
|
84
|
204
|
|
2025/09
|
26
|
32
|
34
|
40
|
42
|
35
|
50
|
20
|
25
|
34
|
25
|
20
|
44
|
30
|
24
|
15
|
22
|
22
|
12
|
25
|
40
|
29
|
17
|
25
|
35
|
28
|
19
|
18
|
33
|
37
|
|
|
2025/08
|
27
|
24
|
25
|
33
|
34
|
29
|
28
|
28
|
20
|
23
|
22
|
21
|
26
|
28
|
29
|
26
|
31
|
30
|
35
|
24
|
27
|
30
|
21
|
30
|
34
|
36
|
32
|
34
|
30
|
37
|
21
|
|
2025/07
|
20
|
30
|
22
|
25
|
32
|
36
|
39
|
34
|
22
|
49
|
57
|
37
|
40
|
44
|
40
|
42
|
35
|
35
|
44
|
34
|
21
|
26
|
21
|
28
|
29
|
29
|
27
|
26
|
18
|
34
|
37
|
|
2025/06
|
49
|
51
|
63
|
70
|
67
|
64
|
71
|
89
|
58
|
60
|
55
|
46
|
44
|
53
|
48
|
49
|
50
|
41
|
19
|
29
|
44
|
32
|
43
|
45
|
60
|
22
|
29
|
22
|
12
|
17
|
|
|
2025/05
|
58
|
89
|
47
|
50
|
106
|
118
|
78
|
66
|
42
|
28
|
51
|
54
|
55
|
60
|
64
|
85
|
130
|
81
|
92
|
68
|
63
|
68
|
71
|
57
|
53
|
55
|
59
|
60
|
57
|
66
|
70
|
|
2025/04
|
71
|
53
|
55
|
75
|
79
|
81
|
82
|
88
|
100
|
101
|
79
|
202
|
90
|
60
|
61
|
83
|
100
|
95
|
43
|
63
|
54
|
71
|
88
|
75
|
68
|
62
|
66
|
51
|
55
|
78
|
|
|
2025/03
|
160
|
43
|
32
|
35
|
60
|
87
|
78
|
84
|
103
|
99
|
106
|
157
|
106
|
61
|
70
|
43
|
50
|
52
|
62
|
54
|
52
|
68
|
90
|
233
|
131
|
93
|
107
|
124
|
60
|
59
|
76
|
|
2025/02
|
107
|
144
|
141
|
74
|
58
|
73
|
72
|
44
|
60
|
70
|
108
|
142
|
108
|
83
|
85
|
72
|
65
|
74
|
84
|
63
|
66
|
104
|
80
|
54
|
73
|
98
|
102
|
109
|
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1
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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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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
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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