Air Quality
Excellent
No health implications.
23
PM2.5
35
PM10
107
O3
0.6
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
97
Good
Fri
18 Jul
82
Good
Sat
19 Jul
72
Good
Sun
20 Jul
64
Good
Mon
21 Jul
52
Good
Tue
22 Jul
49
Excellent
Wed
23 Jul
29
Excellent
Air quality in the last 12 months (Dongtai)
|
2025/06
|
25
|
8
|
44
|
69
|
69
|
57
|
42
|
19
|
16
|
28
|
18
|
21
|
19
|
22
|
29
|
45
|
40
|
51
|
38
|
21
|
14
|
22
|
19
|
22
|
47
|
56
|
25
|
24
|
26
|
34
|
|
|
2025/05
|
54
|
58
|
48
|
31
|
29
|
59
|
62
|
44
|
12
|
31
|
42
|
57
|
57
|
59
|
76
|
20
|
60
|
50
|
64
|
62
|
34
|
38
|
39
|
48
|
49
|
53
|
48
|
39
|
39
|
57
|
76
|
|
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
|
|
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