Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
34
O3
0.5
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
105
Light
Sun
18 Oct
57
Good
Mon
19 Oct
55
Good
Tue
20 Oct
60
Good
Wed
21 Oct
61
Good
Thu
22 Oct
28
Excellent
Fri
23 Oct
21
Excellent
Air quality in the last 12 months (Keshan)
|
2026/08
|
18
|
19
|
23
|
20
|
24
|
24
|
23
|
20
|
23
|
26
|
29
|
23
|
16
|
18
|
21
|
22
|
22
|
20
|
21
|
27
|
25
|
19
|
21
|
21
|
20
|
19
|
18
|
21
|
19
|
16
|
14
|
|
2026/07
|
37
|
31
|
27
|
28
|
28
|
24
|
22
|
16
|
17
|
27
|
33
|
21
|
21
|
22
|
20
|
17
|
21
|
23
|
26
|
32
|
26
|
29
|
32
|
29
|
22
|
22
|
21
|
28
|
16
|
18
|
21
|
|
2026/06
|
30
|
21
|
23
|
20
|
15
|
16
|
18
|
16
|
20
|
23
|
28
|
26
|
21
|
22
|
20
|
28
|
31
|
30
|
36
|
34
|
26
|
26
|
30
|
34
|
31
|
27
|
29
|
24
|
31
|
41
|
|
|
2026/05
|
27
|
27
|
29
|
31
|
47
|
26
|
31
|
33
|
33
|
54
|
48
|
54
|
49
|
62
|
27
|
23
|
20
|
25
|
33
|
33
|
36
|
36
|
32
|
40
|
27
|
24
|
22
|
23
|
22
|
24
|
47
|
|
2026/04
|
49
|
80
|
55
|
46
|
53
|
37
|
23
|
52
|
26
|
30
|
27
|
28
|
25
|
35
|
60
|
45
|
48
|
26
|
25
|
44
|
23
|
23
|
22
|
28
|
27
|
23
|
24
|
26
|
33
|
66
|
|
|
2026/03
|
32
|
30
|
48
|
46
|
35
|
31
|
34
|
53
|
39
|
37
|
28
|
36
|
61
|
33
|
30
|
26
|
80
|
46
|
42
|
49
|
133
|
74
|
62
|
138
|
132
|
60
|
47
|
70
|
125
|
40
|
79
|
|
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
|
|
|
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