Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
35
O3
0.6
CO
10
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
47
Excellent
Mon
15 Dec
50
Excellent
Tue
16 Dec
55
Good
Wed
17 Dec
55
Good
Thu
18 Dec
60
Good
Fri
19 Dec
18
Excellent
Sat
20 Dec
26
Excellent
Chikan Air quality rank
Air quality in the last 12 months (Chikan)
|
2025/11
|
48
|
49
|
57
|
15
|
24
|
42
|
30
|
28
|
37
|
29
|
31
|
32
|
47
|
34
|
43
|
55
|
59
|
48
|
23
|
38
|
44
|
45
|
57
|
73
|
49
|
53
|
50
|
59
|
63
|
58
|
|
|
2025/10
|
18
|
15
|
17
|
24
|
23
|
24
|
17
|
28
|
27
|
32
|
27
|
21
|
14
|
12
|
17
|
25
|
30
|
39
|
50
|
23
|
30
|
15
|
20
|
50
|
60
|
53
|
55
|
48
|
61
|
62
|
69
|
|
2025/09
|
13
|
13
|
13
|
18
|
12
|
12
|
34
|
26
|
24
|
19
|
18
|
15
|
13
|
16
|
16
|
11
|
17
|
22
|
28
|
45
|
28
|
18
|
33
|
20
|
20
|
24
|
29
|
18
|
17
|
18
|
|
|
2025/08
|
24
|
30
|
38
|
35
|
25
|
25
|
32
|
28
|
28
|
19
|
22
|
28
|
28
|
29
|
12
|
18
|
16
|
11
|
20
|
24
|
22
|
14
|
16
|
18
|
17
|
16
|
22
|
22
|
20
|
12
|
15
|
|
2025/07
|
14
|
11
|
20
|
25
|
32
|
41
|
29
|
28
|
37
|
31
|
29
|
28
|
38
|
35
|
31
|
29
|
24
|
28
|
25
|
20
|
12
|
23
|
22
|
24
|
29
|
21
|
26
|
20
|
21
|
26
|
31
|
|
2025/06
|
27
|
28
|
27
|
24
|
16
|
16
|
18
|
23
|
25
|
26
|
23
|
17
|
21
|
17
|
25
|
24
|
23
|
23
|
18
|
22
|
21
|
18
|
19
|
18
|
13
|
12
|
13
|
14
|
16
|
19
|
|
|
2025/05
|
30
|
27
|
31
|
25
|
29
|
27
|
25
|
16
|
20
|
22
|
34
|
39
|
32
|
27
|
17
|
15
|
16
|
23
|
21
|
23
|
23
|
23
|
17
|
14
|
22
|
40
|
48
|
27
|
19
|
17
|
19
|
|
2025/04
|
29
|
54
|
43
|
46
|
43
|
49
|
55
|
48
|
41
|
36
|
33
|
48
|
179
|
157
|
132
|
116
|
87
|
65
|
43
|
31
|
29
|
44
|
36
|
37
|
23
|
28
|
29
|
22
|
34
|
36
|
|
|
2025/03
|
37
|
26
|
30
|
30
|
25
|
9
|
14
|
25
|
42
|
31
|
34
|
35
|
24
|
21
|
24
|
23
|
37
|
50
|
57
|
59
|
61
|
54
|
52
|
58
|
54
|
35
|
36
|
31
|
14
|
13
|
17
|
|
2025/02
|
28
|
22
|
33
|
22
|
43
|
47
|
46
|
40
|
57
|
46
|
33
|
43
|
56
|
28
|
26
|
34
|
61
|
56
|
44
|
35
|
30
|
44
|
49
|
26
|
54
|
75
|
64
|
37
|
|||
|
2025/01
|
93
|
77
|
97
|
63
|
80
|
95
|
58
|
59
|
86
|
61
|
52
|
48
|
54
|
70
|
54
|
70
|
65
|
57
|
78
|
81
|
78
|
47
|
46
|
39
|
33
|
25
|
42
|
48
|
109
|
50
|
41
|
|
2024/12
|
51
|
48
|
44
|
46
|
41
|
58
|
71
|
37
|
46
|
51
|
46
|
46
|
45
|
51
|
58
|
54
|
58
|
57
|
50
|
50
|
77
|
66
|
66
|
69
|
74
|
78
|
86
|
70
|
79
|
66
|
83
|
|
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