Air Quality
Excellent
No health implications.
3
PM2.5
15
PM10
55
O3
0.4
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Dec
77
Good
Tue
9 Dec
127
Light
Wed
10 Dec
147
Light
Thu
11 Dec
77
Good
Fri
12 Dec
61
Good
Sat
13 Dec
49
Excellent
Sun
14 Dec
30
Excellent
Hedong Air quality rank
Air quality in the last 12 months (Hedong)
|
2025/11
|
67
|
14
|
41
|
121
|
153
|
121
|
49
|
86
|
49
|
85
|
134
|
153
|
25
|
86
|
127
|
46
|
23
|
42
|
63
|
34
|
69
|
97
|
113
|
69
|
32
|
80
|
32
|
97
|
129
|
116
|
|
|
2025/10
|
84
|
43
|
34
|
54
|
37
|
15
|
50
|
34
|
11
|
15
|
25
|
46
|
57
|
48
|
82
|
54
|
37
|
17
|
25
|
24
|
44
|
66
|
76
|
99
|
122
|
60
|
44
|
168
|
195
|
130
|
72
|
|
2025/09
|
40
|
45
|
56
|
58
|
55
|
29
|
44
|
45
|
49
|
38
|
63
|
75
|
64
|
56
|
62
|
34
|
22
|
33
|
39
|
49
|
64
|
35
|
50
|
59
|
57
|
51
|
58
|
55
|
56
|
82
|
|
|
2025/08
|
49
|
43
|
31
|
33
|
41
|
63
|
32
|
26
|
39
|
37
|
36
|
41
|
32
|
45
|
57
|
20
|
43
|
29
|
33
|
35
|
18
|
24
|
32
|
23
|
30
|
46
|
44
|
15
|
46
|
20
|
30
|
|
2025/07
|
37
|
42
|
27
|
55
|
35
|
19
|
34
|
34
|
57
|
53
|
60
|
51
|
28
|
32
|
37
|
27
|
24
|
49
|
31
|
50
|
54
|
45
|
23
|
34
|
42
|
38
|
40
|
41
|
17
|
29
|
36
|
|
2025/06
|
83
|
50
|
20
|
26
|
53
|
68
|
57
|
50
|
52
|
39
|
49
|
61
|
69
|
62
|
25
|
13
|
37
|
55
|
32
|
34
|
41
|
46
|
55
|
66
|
45
|
57
|
55
|
71
|
93
|
36
|
|
|
2025/05
|
45
|
64
|
34
|
53
|
77
|
40
|
65
|
85
|
38
|
29
|
60
|
65
|
71
|
46
|
30
|
84
|
47
|
63
|
93
|
105
|
71
|
77
|
59
|
43
|
60
|
81
|
63
|
65
|
70
|
67
|
65
|
|
2025/04
|
56
|
21
|
53
|
71
|
24
|
74
|
70
|
50
|
55
|
69
|
96
|
122
|
73
|
53
|
62
|
94
|
72
|
50
|
48
|
70
|
100
|
47
|
61
|
41
|
60
|
86
|
63
|
52
|
62
|
80
|
|
|
2025/03
|
196
|
68
|
37
|
55
|
81
|
37
|
51
|
128
|
132
|
115
|
130
|
84
|
98
|
63
|
52
|
26
|
34
|
30
|
51
|
47
|
42
|
61
|
112
|
97
|
60
|
91
|
64
|
46
|
25
|
53
|
66
|
|
2025/02
|
65
|
60
|
13
|
20
|
28
|
60
|
38
|
19
|
36
|
87
|
120
|
64
|
116
|
99
|
112
|
38
|
20
|
51
|
40
|
47
|
40
|
47
|
27
|
59
|
63
|
71
|
139
|
193
|
|||
|
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
|
|
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