Air Quality
Excellent
No health implications.
32
PM2.5
47
PM10
31
O3
0.5
CO
7
SO2
35
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
112
Light
Wed
4 Jun
149
Light
Thu
5 Jun
177
Moderate
Fri
6 Jun
169
Moderate
Sat
7 Jun
154
Moderate
Sun
8 Jun
25
Excellent
Mon
9 Jun
18
Excellent
Air quality in the last 12 months (Hedong)
|
2025/04
|
65
|
45
|
58
|
63
|
53
|
84
|
70
|
90
|
79
|
74
|
65
|
110
|
52
|
52
|
54
|
62
|
83
|
88
|
65
|
63
|
53
|
78
|
68
|
86
|
70
|
52
|
67
|
49
|
56
|
65
|
|
|
2025/03
|
61
|
25
|
44
|
53
|
80
|
82
|
80
|
101
|
120
|
104
|
105
|
157
|
84
|
61
|
56
|
37
|
54
|
34
|
53
|
66
|
60
|
62
|
93
|
97
|
127
|
82
|
106
|
90
|
44
|
57
|
65
|
|
2025/02
|
76
|
110
|
80
|
44
|
47
|
54
|
48
|
33
|
44
|
84
|
72
|
98
|
98
|
75
|
108
|
111
|
46
|
63
|
58
|
54
|
75
|
55
|
60
|
59
|
74
|
111
|
161
|
181
|
|||
|
2025/01
|
134
|
110
|
65
|
111
|
176
|
72
|
46
|
52
|
41
|
46
|
94
|
108
|
128
|
108
|
41
|
77
|
81
|
123
|
149
|
128
|
131
|
146
|
73
|
50
|
92
|
88
|
39
|
35
|
144
|
87
|
100
|
|
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
|
|
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