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.
160
*
PM2.5
227
PM10
44
O3
0.9
CO
6
SO2
47
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
149
Light
Thu
13 Mar
94
Good
Fri
14 Mar
84
Good
Sat
15 Mar
77
Good
Sun
16 Mar
56
Good
Mon
17 Mar
25
Excellent
Tue
18 Mar
22
Excellent
Air quality in the last 12 months (Hedong)
|
2025/01
|
94
|
34
|
49
|
112
|
95
|
24
|
23
|
16
|
26
|
27
|
37
|
44
|
72
|
47
|
34
|
52
|
64
|
122
|
68
|
68
|
85
|
48
|
53
|
80
|
121
|
100
|
28
|
52
|
295
|
61
|
51
|
|
2024/12
|
114
|
12
|
49
|
58
|
77
|
30
|
18
|
30
|
81
|
69
|
46
|
65
|
43
|
36
|
47
|
45
|
35
|
20
|
52
|
59
|
19
|
30
|
62
|
85
|
102
|
30
|
36
|
59
|
75
|
80
|
51
|
|
2024/11
|
94
|
127
|
76
|
19
|
57
|
78
|
73
|
80
|
96
|
96
|
74
|
110
|
58
|
37
|
74
|
53
|
37
|
44
|
58
|
92
|
40
|
36
|
47
|
69
|
35
|
13
|
25
|
26
|
50
|
64
|
|
|
2024/10
|
13
|
20
|
45
|
56
|
70
|
74
|
31
|
49
|
102
|
32
|
73
|
119
|
147
|
178
|
97
|
45
|
106
|
40
|
14
|
38
|
53
|
43
|
66
|
121
|
149
|
200
|
108
|
67
|
117
|
114
|
148
|
|
2024/09
|
34
|
18
|
39
|
54
|
34
|
32
|
36
|
50
|
93
|
23
|
21
|
38
|
49
|
47
|
35
|
44
|
66
|
37
|
47
|
25
|
10
|
18
|
40
|
63
|
89
|
35
|
35
|
55
|
50
|
8
|
|
|
2024/08
|
43
|
51
|
47
|
25
|
16
|
45
|
55
|
49
|
52
|
55
|
55
|
29
|
26
|
37
|
42
|
52
|
60
|
31
|
24
|
17
|
27
|
34
|
44
|
37
|
46
|
25
|
22
|
45
|
46
|
60
|
44
|
|
2024/07
|
45
|
53
|
40
|
83
|
73
|
29
|
69
|
29
|
60
|
58
|
68
|
70
|
97
|
98
|
52
|
59
|
33
|
28
|
37
|
43
|
42
|
39
|
47
|
50
|
28
|
29
|
30
|
27
|
32
|
17
|
27
|
|
2024/06
|
38
|
52
|
48
|
52
|
65
|
66
|
60
|
47
|
87
|
98
|
86
|
63
|
77
|
43
|
52
|
48
|
44
|
52
|
53
|
45
|
81
|
126
|
82
|
46
|
57
|
66
|
54
|
58
|
60
|
55
|
|
|
2024/05
|
45
|
57
|
64
|
66
|
67
|
81
|
83
|
73
|
72
|
76
|
181
|
48
|
76
|
83
|
32
|
56
|
72
|
88
|
54
|
25
|
39
|
75
|
62
|
30
|
39
|
31
|
37
|
44
|
60
|
59
|
26
|
|
2024/04
|
73
|
66
|
57
|
52
|
68
|
82
|
81
|
85
|
52
|
71
|
151
|
61
|
78
|
58
|
112
|
55
|
84
|
104
|
69
|
65
|
80
|
87
|
32
|
52
|
96
|
92
|
89
|
37
|
45
|
40
|
|
|
2024/03
|
34
|
99
|
69
|
66
|
72
|
98
|
81
|
23
|
63
|
108
|
160
|
112
|
88
|
120
|
89
|
136
|
56
|
88
|
108
|
57
|
77
|
68
|
101
|
68
|
73
|
78
|
92
|
213
|
129
|
79
|
86
|
|
2024/02
|
35
|
57
|
98
|
64
|
113
|
107
|
34
|
54
|
225
|
69
|
122
|
183
|
218
|
153
|
44
|
68
|
72
|
96
|
29
|
43
|
33
|
30
|
39
|
74
|
95
|
86
|
67
|
92
|
47
|
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5
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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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17
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18
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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
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution