Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
45
O3
0.2
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Dec
60
Good
Thu
4 Dec
77
Good
Fri
5 Dec
64
Good
Sat
6 Dec
68
Good
Sun
7 Dec
69
Good
Mon
8 Dec
68
Good
Tue
9 Dec
31
Excellent
Keshan Air quality rank
Air quality in the last 12 months (Keshan)
|
2025/11
|
128
|
23
|
62
|
56
|
115
|
70
|
17
|
91
|
55
|
17
|
26
|
55
|
30
|
30
|
69
|
44
|
21
|
37
|
96
|
49
|
51
|
140
|
140
|
32
|
33
|
119
|
54
|
58
|
61
|
27
|
|
|
2025/10
|
32
|
34
|
51
|
24
|
19
|
23
|
35
|
21
|
34
|
34
|
44
|
18
|
30
|
26
|
34
|
34
|
59
|
18
|
18
|
19
|
28
|
26
|
31
|
38
|
79
|
41
|
29
|
33
|
118
|
61
|
56
|
|
2025/09
|
19
|
19
|
29
|
42
|
37
|
16
|
18
|
16
|
14
|
19
|
18
|
27
|
25
|
23
|
18
|
16
|
17
|
20
|
28
|
22
|
19
|
26
|
37
|
22
|
15
|
20
|
25
|
26
|
28
|
45
|
|
|
2025/08
|
20
|
22
|
14
|
17
|
20
|
15
|
15
|
19
|
14
|
12
|
14
|
17
|
18
|
16
|
20
|
12
|
17
|
20
|
21
|
16
|
22
|
13
|
21
|
17
|
24
|
18
|
21
|
23
|
23
|
18
|
29
|
|
2025/07
|
26
|
19
|
19
|
21
|
15
|
17
|
17
|
19
|
20
|
30
|
37
|
21
|
18
|
21
|
25
|
21
|
21
|
22
|
23
|
18
|
16
|
21
|
31
|
29
|
19
|
25
|
19
|
20
|
15
|
14
|
18
|
|
2025/06
|
17
|
22
|
19
|
17
|
19
|
13
|
16
|
21
|
15
|
17
|
16
|
29
|
29
|
19
|
22
|
22
|
18
|
23
|
18
|
16
|
13
|
18
|
29
|
35
|
37
|
36
|
42
|
32
|
26
|
35
|
|
|
2025/05
|
39
|
26
|
22
|
17
|
17
|
22
|
27
|
38
|
26
|
31
|
50
|
78
|
62
|
39
|
61
|
33
|
18
|
23
|
21
|
23
|
21
|
17
|
24
|
27
|
29
|
38
|
39
|
52
|
54
|
54
|
41
|
|
2025/04
|
55
|
46
|
44
|
68
|
51
|
44
|
58
|
40
|
54
|
104
|
71
|
53
|
24
|
21
|
15
|
20
|
48
|
35
|
19
|
60
|
86
|
17
|
30
|
18
|
11
|
18
|
54
|
46
|
67
|
36
|
|
|
2025/03
|
21
|
29
|
39
|
51
|
63
|
56
|
42
|
34
|
70
|
101
|
44
|
45
|
18
|
18
|
18
|
23
|
18
|
18
|
40
|
39
|
16
|
16
|
52
|
32
|
19
|
28
|
14
|
16
|
10
|
17
|
32
|
|
2025/02
|
71
|
134
|
91
|
30
|
43
|
50
|
23
|
18
|
27
|
42
|
72
|
69
|
51
|
31
|
35
|
31
|
23
|
21
|
25
|
27
|
30
|
30
|
33
|
32
|
40
|
25
|
48
|
33
|
|||
|
2025/01
|
123
|
97
|
78
|
135
|
97
|
63
|
62
|
33
|
39
|
72
|
100
|
171
|
168
|
137
|
43
|
41
|
72
|
120
|
154
|
122
|
97
|
72
|
159
|
223
|
220
|
146
|
47
|
48
|
49
|
33
|
48
|
|
2024/12
|
48
|
23
|
26
|
23
|
31
|
21
|
31
|
37
|
100
|
91
|
28
|
50
|
78
|
51
|
36
|
31
|
37
|
44
|
65
|
115
|
50
|
34
|
37
|
45
|
48
|
29
|
36
|
43
|
55
|
82
|
101
|
|
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