Air Quality
Excellent
No health implications.
17
PM2.5
31
PM10
77
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
71
Good
Fri
20 Mar
65
Good
Sat
21 Mar
104
Light
Sun
22 Mar
90
Good
Mon
23 Mar
66
Good
Tue
24 Mar
69
Good
Wed
25 Mar
39
Excellent
Keshan Air quality rank
Air quality in the last 12 months (Keshan)
|
2026/02
|
39
|
40
|
47
|
46
|
34
|
22
|
29
|
34
|
64
|
91
|
45
|
48
|
67
|
59
|
20
|
52
|
50
|
23
|
50
|
81
|
99
|
43
|
22
|
19
|
53
|
25
|
24
|
25
|
|||
|
2026/01
|
29
|
39
|
55
|
25
|
26
|
59
|
27
|
36
|
56
|
46
|
52
|
74
|
46
|
38
|
57
|
48
|
34
|
53
|
41
|
32
|
33
|
26
|
34
|
31
|
24
|
50
|
48
|
34
|
30
|
27
|
39
|
|
2025/12
|
28
|
26
|
35
|
34
|
48
|
54
|
75
|
38
|
37
|
27
|
23
|
30
|
53
|
62
|
47
|
28
|
48
|
81
|
70
|
36
|
39
|
54
|
58
|
47
|
32
|
32
|
57
|
72
|
32
|
32
|
29
|
|
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
|
|
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