Air Quality
Excellent
No health implications.
16
PM2.5
35
PM10
60
O3
0.3
CO
4
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
50
Excellent
Sun
25 May
59
Good
Mon
26 May
53
Good
Tue
27 May
52
Good
Wed
28 May
74
Good
Thu
29 May
79
Good
Fri
30 May
38
Excellent
Air quality in the last 12 months (Keshan)
|
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
|
|
2024/11
|
58
|
65
|
56
|
30
|
46
|
64
|
121
|
129
|
207
|
122
|
231
|
85
|
160
|
275
|
203
|
62
|
21
|
28
|
69
|
109
|
106
|
25
|
51
|
114
|
140
|
67
|
26
|
43
|
26
|
36
|
|
|
2024/10
|
19
|
20
|
20
|
29
|
37
|
27
|
57
|
50
|
43
|
32
|
22
|
21
|
40
|
47
|
11
|
19
|
32
|
29
|
18
|
37
|
38
|
44
|
37
|
65
|
57
|
84
|
65
|
50
|
72
|
85
|
82
|
|
2024/09
|
13
|
17
|
17
|
24
|
12
|
15
|
18
|
17
|
30
|
22
|
13
|
23
|
12
|
17
|
20
|
21
|
19
|
18
|
14
|
16
|
18
|
20
|
24
|
25
|
19
|
23
|
28
|
21
|
34
|
18
|
|
|
2024/08
|
18
|
17
|
17
|
17
|
18
|
20
|
21
|
16
|
25
|
25
|
14
|
12
|
15
|
18
|
20
|
25
|
29
|
24
|
19
|
21
|
21
|
18
|
23
|
22
|
23
|
14
|
16
|
19
|
21
|
13
|
13
|
|
2024/07
|
40
|
44
|
54
|
49
|
48
|
58
|
82
|
86
|
68
|
83
|
88
|
75
|
90
|
73
|
55
|
43
|
20
|
24
|
23
|
23
|
13
|
15
|
16
|
13
|
18
|
16
|
11
|
15
|
15
|
17
|
20
|
|
2024/06
|
25
|
27
|
27
|
17
|
26
|
34
|
27
|
15
|
15
|
20
|
21
|
18
|
23
|
19
|
15
|
18
|
15
|
17
|
28
|
22
|
13
|
16
|
14
|
20
|
29
|
32
|
32
|
43
|
35
|
45
|
|
|
2024/05
|
43
|
40
|
46
|
65
|
48
|
36
|
32
|
55
|
22
|
26
|
21
|
35
|
25
|
16
|
14
|
20
|
37
|
21
|
25
|
26
|
37
|
36
|
14
|
20
|
24
|
23
|
26
|
33
|
17
|
16
|
25
|
|
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