Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
44
PM10
161
O3
0.5
CO
9
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 May
123
Light
Wed
21 May
108
Light
Thu
22 May
75
Good
Fri
23 May
70
Good
Sat
24 May
74
Good
Sun
25 May
79
Good
Mon
26 May
24
Excellent
Air quality in the last 12 months (Dongtai)
|
2025/04
|
52
|
64
|
48
|
55
|
66
|
61
|
85
|
81
|
84
|
59
|
69
|
108
|
80
|
57
|
51
|
62
|
65
|
72
|
61
|
36
|
42
|
35
|
56
|
68
|
54
|
50
|
42
|
38
|
62
|
63
|
|
|
2025/03
|
71
|
55
|
23
|
11
|
41
|
42
|
59
|
79
|
72
|
40
|
72
|
72
|
55
|
46
|
34
|
44
|
49
|
40
|
50
|
75
|
57
|
60
|
70
|
82
|
97
|
90
|
113
|
47
|
87
|
40
|
44
|
|
2025/02
|
30
|
73
|
81
|
51
|
59
|
39
|
52
|
32
|
46
|
63
|
45
|
90
|
66
|
54
|
105
|
135
|
53
|
48
|
41
|
31
|
31
|
54
|
47
|
62
|
99
|
135
|
157
|
109
|
|||
|
2025/01
|
72
|
52
|
55
|
43
|
99
|
96
|
62
|
64
|
36
|
38
|
73
|
91
|
98
|
120
|
50
|
63
|
87
|
93
|
127
|
159
|
103
|
41
|
32
|
26
|
35
|
51
|
56
|
70
|
159
|
63
|
51
|
|
2024/12
|
85
|
98
|
46
|
43
|
107
|
145
|
133
|
37
|
50
|
47
|
65
|
43
|
73
|
53
|
67
|
73
|
96
|
54
|
35
|
65
|
88
|
50
|
54
|
77
|
100
|
108
|
59
|
59
|
80
|
103
|
70
|
|
2024/11
|
18
|
62
|
64
|
61
|
39
|
36
|
31
|
25
|
34
|
42
|
47
|
61
|
47
|
44
|
36
|
33
|
30
|
28
|
26
|
41
|
63
|
66
|
35
|
29
|
23
|
39
|
64
|
68
|
52
|
64
|
|
|
2024/10
|
18
|
24
|
20
|
25
|
21
|
11
|
14
|
37
|
36
|
62
|
79
|
73
|
28
|
32
|
69
|
45
|
28
|
33
|
25
|
26
|
14
|
35
|
37
|
35
|
34
|
22
|
34
|
35
|
38
|
36
|
32
|
|
2024/09
|
37
|
34
|
17
|
21
|
29
|
24
|
24
|
20
|
16
|
22
|
13
|
25
|
19
|
25
|
25
|
18
|
17
|
15
|
16
|
9
|
15
|
22
|
26
|
28
|
27
|
22
|
32
|
24
|
30
|
32
|
|
|
2024/08
|
33
|
24
|
38
|
41
|
33
|
27
|
39
|
31
|
29
|
42
|
57
|
52
|
38
|
21
|
19
|
23
|
23
|
18
|
15
|
19
|
21
|
43
|
44
|
30
|
19
|
21
|
21
|
20
|
16
|
22
|
22
|
|
2024/07
|
24
|
24
|
32
|
28
|
28
|
30
|
28
|
30
|
30
|
31
|
52
|
42
|
17
|
14
|
29
|
59
|
44
|
23
|
35
|
35
|
28
|
38
|
41
|
24
|
20
|
23
|
23
|
21
|
23
|
30
|
32
|
|
2024/06
|
32
|
41
|
59
|
35
|
28
|
26
|
31
|
40
|
55
|
56
|
29
|
23
|
38
|
35
|
29
|
31
|
21
|
34
|
20
|
20
|
30
|
18
|
38
|
49
|
58
|
39
|
14
|
26
|
12
|
19
|
|
|
2024/05
|
37
|
42
|
31
|
34
|
27
|
56
|
58
|
46
|
46
|
45
|
55
|
102
|
94
|
67
|
53
|
54
|
58
|
48
|
31
|
25
|
20
|
31
|
33
|
28
|
28
|
41
|
21
|
31
|
30
|
29
|
36
|
|
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