Air Quality
Excellent
No health implications.
19
PM2.5
40
PM10
28
O3
0.4
CO
8
SO2
31
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jan
79
Good
Tue
13 Jan
75
Good
Wed
14 Jan
137
Light
Thu
15 Jan
166
Moderate
Fri
16 Jan
98
Good
Sat
17 Jan
48
Excellent
Sun
18 Jan
30
Excellent
Caofeidian Air quality rank
Air quality in the last 12 months (Caofeidian)
|
2025/11
|
65
|
26
|
29
|
99
|
122
|
86
|
42
|
57
|
50
|
54
|
61
|
104
|
27
|
57
|
169
|
72
|
20
|
23
|
44
|
40
|
51
|
101
|
108
|
84
|
20
|
69
|
40
|
75
|
120
|
86
|
|
|
2025/10
|
81
|
65
|
35
|
54
|
45
|
24
|
35
|
28
|
9
|
16
|
20
|
36
|
45
|
44
|
63
|
39
|
37
|
17
|
23
|
24
|
33
|
43
|
46
|
57
|
106
|
71
|
34
|
100
|
146
|
104
|
57
|
|
2025/09
|
37
|
47
|
57
|
47
|
38
|
45
|
52
|
40
|
58
|
35
|
49
|
42
|
53
|
55
|
45
|
56
|
28
|
35
|
40
|
53
|
68
|
41
|
45
|
74
|
87
|
72
|
79
|
57
|
58
|
83
|
|
|
2025/08
|
40
|
22
|
29
|
30
|
21
|
42
|
45
|
25
|
27
|
43
|
37
|
43
|
32
|
51
|
43
|
21
|
26
|
33
|
30
|
20
|
20
|
17
|
40
|
27
|
26
|
46
|
32
|
18
|
35
|
28
|
35
|
|
2025/07
|
33
|
27
|
27
|
41
|
49
|
25
|
39
|
28
|
37
|
43
|
49
|
42
|
36
|
36
|
37
|
43
|
39
|
41
|
25
|
38
|
53
|
26
|
21
|
27
|
39
|
43
|
28
|
30
|
23
|
22
|
31
|
|
2025/06
|
68
|
55
|
27
|
27
|
55
|
61
|
49
|
47
|
57
|
43
|
44
|
56
|
43
|
31
|
24
|
37
|
43
|
53
|
31
|
39
|
46
|
63
|
65
|
66
|
44
|
59
|
41
|
53
|
58
|
50
|
|
|
2025/05
|
45
|
36
|
35
|
51
|
50
|
41
|
53
|
67
|
33
|
29
|
64
|
67
|
72
|
58
|
41
|
58
|
49
|
49
|
87
|
82
|
60
|
80
|
55
|
42
|
51
|
69
|
65
|
68
|
62
|
69
|
70
|
|
2025/04
|
69
|
32
|
48
|
72
|
29
|
62
|
81
|
70
|
47
|
80
|
78
|
132
|
85
|
29
|
55
|
69
|
80
|
42
|
45
|
61
|
57
|
58
|
61
|
46
|
47
|
80
|
49
|
41
|
62
|
76
|
|
|
2025/03
|
142
|
63
|
47
|
54
|
74
|
64
|
41
|
94
|
156
|
116
|
138
|
95
|
66
|
69
|
45
|
28
|
39
|
30
|
56
|
44
|
39
|
62
|
104
|
110
|
83
|
91
|
83
|
38
|
33
|
44
|
72
|
|
2025/02
|
50
|
90
|
19
|
21
|
23
|
55
|
22
|
16
|
31
|
73
|
105
|
56
|
72
|
95
|
119
|
57
|
29
|
36
|
45
|
38
|
46
|
44
|
32
|
51
|
62
|
68
|
151
|
186
|
|||
|
2025/01
|
72
|
37
|
38
|
111
|
107
|
38
|
26
|
24
|
23
|
35
|
57
|
60
|
60
|
56
|
32
|
58
|
52
|
106
|
84
|
66
|
66
|
52
|
51
|
77
|
104
|
110
|
26
|
30
|
124
|
38
|
34
|
|
2024/12
|
92
|
33
|
39
|
43
|
49
|
45
|
37
|
26
|
54
|
58
|
39
|
64
|
64
|
36
|
45
|
51
|
41
|
44
|
44
|
63
|
39
|
30
|
53
|
80
|
106
|
29
|
30
|
39
|
69
|
79
|
40
|
|
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