Air Quality
Excellent
No health implications.
16
PM2.5
19
PM10
111
O3
0.6
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
88
Good
Tue
22 Jul
95
Good
Wed
23 Jul
104
Light
Thu
24 Jul
106
Light
Fri
25 Jul
120
Light
Sat
26 Jul
139
Light
Sun
27 Jul
16
Excellent
Hedong Air quality rank
Air quality in the last 12 months (Hedong)
|
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
|
|
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
|
|
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