Air Quality
Excellent
No health implications.
21
PM2.5
23
PM10
57
O3
0.5
CO
9
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
50
Excellent
Tue
20 Jan
50
Excellent
Wed
21 Jan
59
Good
Thu
22 Jan
109
Light
Fri
23 Jan
138
Light
Sat
24 Jan
22
Excellent
Sun
25 Jan
38
Excellent
Air quality in the last 12 months (Donghai)
|
2025/11
|
159
|
88
|
43
|
55
|
42
|
44
|
54
|
27
|
76
|
65
|
52
|
60
|
109
|
147
|
151
|
124
|
35
|
51
|
68
|
87
|
110
|
149
|
111
|
143
|
56
|
79
|
139
|
126
|
111
|
170
|
|
|
2025/10
|
56
|
16
|
13
|
32
|
31
|
36
|
29
|
33
|
25
|
50
|
51
|
20
|
17
|
41
|
21
|
24
|
40
|
24
|
29
|
28
|
29
|
38
|
43
|
50
|
80
|
83
|
56
|
50
|
43
|
32
|
65
|
|
2025/09
|
21
|
23
|
20
|
24
|
25
|
29
|
48
|
41
|
36
|
31
|
23
|
10
|
28
|
41
|
45
|
23
|
17
|
17
|
13
|
28
|
38
|
23
|
28
|
17
|
40
|
33
|
32
|
26
|
68
|
51
|
|
|
2025/08
|
12
|
15
|
19
|
29
|
23
|
33
|
33
|
23
|
18
|
14
|
14
|
17
|
17
|
20
|
29
|
27
|
34
|
36
|
32
|
33
|
36
|
38
|
38
|
32
|
36
|
34
|
23
|
35
|
37
|
26
|
15
|
|
2025/07
|
34
|
23
|
34
|
26
|
32
|
37
|
37
|
16
|
26
|
42
|
39
|
28
|
38
|
25
|
30
|
32
|
26
|
39
|
32
|
25
|
19
|
19
|
17
|
19
|
26
|
25
|
25
|
16
|
20
|
19
|
16
|
|
2025/06
|
36
|
17
|
48
|
63
|
61
|
67
|
71
|
62
|
47
|
42
|
50
|
45
|
34
|
30
|
40
|
58
|
42
|
51
|
26
|
11
|
25
|
43
|
43
|
31
|
47
|
53
|
31
|
29
|
16
|
19
|
|
|
2025/05
|
60
|
66
|
47
|
44
|
28
|
57
|
61
|
48
|
11
|
24
|
50
|
53
|
49
|
71
|
69
|
53
|
69
|
42
|
69
|
62
|
58
|
59
|
56
|
52
|
54
|
63
|
58
|
42
|
39
|
51
|
60
|
|
2025/04
|
57
|
53
|
48
|
64
|
62
|
61
|
70
|
82
|
78
|
67
|
64
|
118
|
66
|
57
|
53
|
59
|
74
|
84
|
79
|
61
|
41
|
68
|
75
|
87
|
63
|
55
|
61
|
49
|
59
|
65
|
|
|
2025/03
|
53
|
22
|
45
|
50
|
73
|
70
|
79
|
105
|
108
|
84
|
94
|
118
|
82
|
58
|
44
|
37
|
54
|
39
|
50
|
67
|
65
|
65
|
87
|
97
|
110
|
89
|
116
|
88
|
55
|
57
|
64
|
|
2025/02
|
69
|
104
|
91
|
50
|
54
|
55
|
51
|
36
|
51
|
73
|
66
|
82
|
71
|
82
|
104
|
110
|
49
|
55
|
49
|
41
|
49
|
49
|
55
|
59
|
73
|
119
|
154
|
148
|
|||
|
2025/01
|
100
|
119
|
63
|
83
|
169
|
91
|
59
|
68
|
42
|
47
|
88
|
121
|
110
|
119
|
45
|
78
|
87
|
118
|
156
|
120
|
133
|
104
|
59
|
37
|
60
|
99
|
46
|
63
|
145
|
83
|
89
|
|
2024/12
|
93
|
110
|
50
|
91
|
168
|
164
|
94
|
46
|
73
|
98
|
67
|
49
|
87
|
64
|
89
|
103
|
107
|
43
|
54
|
103
|
83
|
55
|
80
|
110
|
124
|
89
|
71
|
68
|
78
|
114
|
85
|
|
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