Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
47
O3
0.4
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Dec
62
Good
Wed
3 Dec
69
Good
Thu
4 Dec
62
Good
Fri
5 Dec
78
Good
Sat
6 Dec
77
Good
Sun
7 Dec
65
Good
Mon
8 Dec
38
Excellent
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