Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
167
*
PM2.5
196
PM10
124
O3
0.7
CO
6
SO2
22
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
12 Mar
110
Light
Fri
13 Mar
98
Good
Sat
14 Mar
90
Good
Sun
15 Mar
70
Good
Mon
16 Mar
90
Good
Tue
17 Mar
97
Good
Wed
18 Mar
35
Excellent
Air quality in the last 12 months (Cao County)
|
2026/02
|
113
|
157
|
131
|
116
|
168
|
66
|
62
|
70
|
63
|
84
|
124
|
97
|
125
|
109
|
110
|
50
|
103
|
85
|
88
|
71
|
63
|
355
|
119
|
43
|
52
|
68
|
123
|
116
|
|||
|
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
|
|
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