Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
31
O3
0.1
CO
10
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
62
Good
Wed
27 May
85
Good
Thu
28 May
94
Good
Fri
29 May
99
Good
Sat
30 May
98
Good
Sun
31 May
113
Light
Mon
1 Jun
47
Excellent
Air quality in the last 12 months (Hedong)
|
2026/04
|
122
|
121
|
98
|
50
|
85
|
54
|
41
|
37
|
38
|
55
|
72
|
62
|
48
|
49
|
66
|
68
|
87
|
80
|
52
|
61
|
77
|
40
|
47
|
47
|
60
|
75
|
75
|
43
|
42
|
59
|
|
|
2026/03
|
82
|
45
|
70
|
100
|
56
|
64
|
47
|
53
|
86
|
100
|
70
|
97
|
114
|
120
|
68
|
98
|
63
|
64
|
53
|
104
|
149
|
93
|
130
|
116
|
106
|
97
|
106
|
112
|
106
|
105
|
72
|
|
2026/02
|
161
|
156
|
129
|
116
|
155
|
50
|
43
|
51
|
64
|
85
|
130
|
141
|
130
|
113
|
104
|
50
|
143
|
85
|
108
|
78
|
63
|
205
|
44
|
45
|
72
|
50
|
73
|
92
|
|||
|
2026/01
|
48
|
43
|
96
|
182
|
136
|
150
|
145
|
55
|
83
|
99
|
47
|
80
|
123
|
137
|
217
|
208
|
41
|
49
|
37
|
32
|
40
|
62
|
103
|
160
|
122
|
67
|
113
|
92
|
101
|
66
|
94
|
|
2025/12
|
78
|
49
|
51
|
88
|
65
|
107
|
160
|
66
|
94
|
90
|
101
|
38
|
59
|
79
|
89
|
113
|
95
|
100
|
171
|
92
|
56
|
59
|
42
|
74
|
47
|
46
|
92
|
128
|
135
|
128
|
46
|
|
2025/11
|
116
|
73
|
47
|
77
|
61
|
63
|
71
|
29
|
85
|
70
|
70
|
77
|
99
|
136
|
199
|
166
|
28
|
47
|
60
|
88
|
93
|
151
|
118
|
169
|
44
|
96
|
124
|
126
|
121
|
200
|
|
|
2025/10
|
61
|
10
|
12
|
31
|
27
|
26
|
24
|
36
|
27
|
40
|
28
|
18
|
19
|
41
|
30
|
36
|
42
|
25
|
28
|
30
|
32
|
46
|
44
|
46
|
76
|
84
|
66
|
80
|
62
|
50
|
81
|
|
2025/09
|
17
|
36
|
29
|
27
|
29
|
24
|
55
|
56
|
40
|
42
|
26
|
7
|
28
|
55
|
48
|
15
|
17
|
17
|
9
|
24
|
38
|
33
|
21
|
19
|
39
|
46
|
31
|
28
|
63
|
47
|
|
|
2025/08
|
15
|
17
|
23
|
34
|
28
|
37
|
43
|
24
|
13
|
14
|
12
|
21
|
15
|
26
|
36
|
32
|
32
|
39
|
37
|
35
|
37
|
44
|
39
|
40
|
50
|
29
|
29
|
37
|
33
|
29
|
20
|
|
2025/07
|
35
|
24
|
25
|
25
|
27
|
34
|
35
|
21
|
29
|
36
|
35
|
25
|
38
|
18
|
34
|
28
|
23
|
36
|
36
|
27
|
20
|
17
|
18
|
20
|
24
|
23
|
29
|
20
|
19
|
25
|
20
|
|
2025/06
|
46
|
28
|
44
|
51
|
60
|
60
|
73
|
75
|
54
|
40
|
51
|
49
|
35
|
33
|
35
|
38
|
32
|
48
|
24
|
14
|
33
|
40
|
49
|
34
|
46
|
47
|
24
|
26
|
12
|
18
|
|
|
2025/05
|
52
|
59
|
41
|
43
|
27
|
49
|
60
|
50
|
11
|
24
|
46
|
55
|
51
|
70
|
50
|
57
|
76
|
45
|
78
|
67
|
66
|
65
|
48
|
47
|
50
|
65
|
70
|
46
|
47
|
53
|
62
|
|
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