Air Quality
Excellent
No health implications.
12
PM2.5
31
PM10
61
O3
0.6
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jan
63
Good
Thu
16 Jan
96
Good
Fri
17 Jan
100
Good
Sat
18 Jan
123
Light
Sun
19 Jan
157
Moderate
Mon
20 Jan
148
Light
Tue
21 Jan
39
Excellent
Air quality in the last 12 months (Hedong)
|
2024/12
|
99
|
85
|
46
|
111
|
166
|
139
|
73
|
46
|
81
|
105
|
63
|
48
|
86
|
67
|
84
|
112
|
97
|
40
|
49
|
101
|
58
|
51
|
79
|
120
|
156
|
79
|
67
|
64
|
75
|
128
|
92
|
|
2024/11
|
62
|
73
|
128
|
56
|
37
|
54
|
63
|
49
|
56
|
62
|
85
|
116
|
96
|
47
|
50
|
73
|
44
|
36
|
47
|
59
|
91
|
60
|
47
|
64
|
31
|
38
|
52
|
55
|
54
|
83
|
|
|
2024/10
|
21
|
19
|
47
|
63
|
57
|
43
|
51
|
44
|
74
|
78
|
132
|
127
|
65
|
59
|
102
|
66
|
58
|
13
|
36
|
42
|
59
|
49
|
45
|
78
|
77
|
56
|
78
|
40
|
94
|
137
|
102
|
|
2024/09
|
48
|
23
|
24
|
44
|
44
|
21
|
35
|
29
|
31
|
29
|
35
|
35
|
42
|
35
|
25
|
30
|
28
|
18
|
22
|
26
|
19
|
25
|
29
|
51
|
53
|
71
|
43
|
39
|
39
|
35
|
|
|
2024/08
|
25
|
17
|
24
|
33
|
24
|
13
|
26
|
19
|
30
|
33
|
90
|
47
|
56
|
30
|
33
|
38
|
28
|
21
|
18
|
16
|
32
|
46
|
75
|
49
|
47
|
31
|
13
|
21
|
30
|
44
|
53
|
|
2024/07
|
51
|
24
|
30
|
19
|
34
|
13
|
10
|
21
|
32
|
65
|
82
|
87
|
54
|
31
|
21
|
28
|
11
|
27
|
20
|
11
|
28
|
26
|
34
|
50
|
20
|
20
|
13
|
16
|
26
|
23
|
24
|
|
2024/06
|
26
|
47
|
56
|
54
|
32
|
40
|
36
|
56
|
79
|
65
|
64
|
55
|
58
|
68
|
29
|
44
|
41
|
48
|
34
|
26
|
31
|
41
|
68
|
112
|
77
|
32
|
28
|
39
|
28
|
41
|
|
|
2024/05
|
40
|
45
|
46
|
37
|
40
|
70
|
68
|
46
|
44
|
64
|
224
|
114
|
95
|
75
|
70
|
62
|
63
|
63
|
49
|
44
|
27
|
40
|
51
|
49
|
28
|
34
|
32
|
36
|
50
|
45
|
53
|
|
2024/04
|
82
|
68
|
34
|
41
|
61
|
69
|
64
|
75
|
91
|
68
|
65
|
57
|
27
|
29
|
47
|
89
|
106
|
87
|
82
|
46
|
63
|
61
|
44
|
70
|
67
|
59
|
39
|
33
|
54
|
46
|
|
|
2024/03
|
60
|
77
|
91
|
84
|
52
|
44
|
93
|
59
|
91
|
116
|
123
|
90
|
71
|
78
|
79
|
89
|
124
|
76
|
83
|
53
|
73
|
85
|
89
|
51
|
36
|
59
|
90
|
105
|
112
|
126
|
75
|
|
2024/02
|
32
|
37
|
34
|
30
|
60
|
125
|
144
|
152
|
200
|
363
|
171
|
99
|
76
|
89
|
32
|
43
|
61
|
80
|
53
|
27
|
23
|
27
|
31
|
68
|
109
|
72
|
65
|
78
|
66
|
||
|
2024/01
|
76
|
192
|
239
|
138
|
97
|
103
|
43
|
63
|
121
|
44
|
171
|
237
|
145
|
107
|
46
|
84
|
75
|
65
|
48
|
60
|
54
|
27
|
36
|
54
|
79
|
79
|
108
|
112
|
151
|
129
|
111
|
|
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