Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
90
*
PM10
145
O3
0.6
CO
2
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Jun
142
Light
Sun
8 Jun
135
Light
Mon
9 Jun
142
Light
Tue
10 Jun
132
Light
Wed
11 Jun
134
Light
Thu
12 Jun
137
Light
Fri
13 Jun
42
Excellent
Air quality in the last 12 months (Cao County)
|
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
|
|||
|
2025/01
|
162
|
126
|
122
|
189
|
140
|
64
|
65
|
62
|
53
|
68
|
95
|
70
|
90
|
158
|
59
|
66
|
94
|
116
|
133
|
124
|
181
|
205
|
107
|
179
|
136
|
81
|
43
|
58
|
255
|
144
|
94
|
|
2024/12
|
83
|
78
|
73
|
124
|
167
|
182
|
87
|
55
|
61
|
114
|
126
|
98
|
104
|
87
|
69
|
91
|
107
|
48
|
62
|
97
|
66
|
56
|
79
|
120
|
169
|
140
|
78
|
82
|
80
|
108
|
114
|
|
2024/11
|
137
|
97
|
122
|
74
|
55
|
73
|
61
|
49
|
60
|
77
|
152
|
144
|
122
|
92
|
99
|
78
|
54
|
50
|
44
|
68
|
110
|
128
|
71
|
54
|
52
|
46
|
61
|
52
|
47
|
71
|
|
|
2024/10
|
44
|
36
|
46
|
50
|
49
|
58
|
104
|
86
|
89
|
109
|
70
|
103
|
94
|
120
|
134
|
97
|
53
|
16
|
29
|
35
|
55
|
83
|
85
|
66
|
95
|
83
|
121
|
124
|
143
|
142
|
124
|
|
2024/09
|
44
|
33
|
38
|
43
|
45
|
31
|
45
|
44
|
41
|
39
|
30
|
29
|
53
|
50
|
42
|
52
|
47
|
12
|
41
|
47
|
20
|
33
|
51
|
47
|
56
|
69
|
74
|
47
|
45
|
28
|
|
|
2024/08
|
21
|
19
|
27
|
26
|
18
|
11
|
24
|
18
|
32
|
63
|
95
|
44
|
42
|
44
|
34
|
45
|
44
|
38
|
16
|
28
|
41
|
38
|
46
|
50
|
50
|
39
|
22
|
34
|
38
|
31
|
41
|
|
2024/07
|
36
|
33
|
33
|
15
|
21
|
17
|
23
|
17
|
31
|
63
|
53
|
45
|
58
|
43
|
33
|
13
|
19
|
24
|
23
|
12
|
25
|
26
|
27
|
36
|
41
|
30
|
20
|
11
|
16
|
19
|
20
|
|
2024/06
|
56
|
87
|
96
|
87
|
77
|
70
|
53
|
61
|
56
|
61
|
52
|
58
|
63
|
59
|
58
|
44
|
43
|
48
|
50
|
56
|
43
|
46
|
70
|
108
|
89
|
57
|
57
|
42
|
22
|
30
|
|
|
2024/05
|
51
|
50
|
53
|
47
|
62
|
69
|
63
|
60
|
60
|
72
|
208
|
107
|
91
|
80
|
82
|
64
|
69
|
66
|
61
|
66
|
54
|
46
|
48
|
66
|
70
|
59
|
41
|
49
|
59
|
73
|
95
|
|
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