Air Quality
Excellent
No health implications.
12
PM2.5
15
PM10
36
O3
0.4
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
64
Good
Mon
1 Jun
68
Good
Tue
2 Jun
66
Good
Wed
3 Jun
62
Good
Thu
4 Jun
63
Good
Fri
5 Jun
58
Good
Sat
6 Jun
17
Excellent
Air quality in the last 12 months (Chikan)
|
2026/04
|
33
|
36
|
47
|
53
|
50
|
54
|
45
|
40
|
36
|
35
|
43
|
41
|
35
|
31
|
25
|
21
|
25
|
44
|
32
|
32
|
27
|
31
|
38
|
28
|
41
|
36
|
25
|
27
|
34
|
29
|
|
|
2026/03
|
26
|
31
|
20
|
24
|
29
|
36
|
41
|
42
|
38
|
13
|
28
|
49
|
46
|
41
|
37
|
35
|
31
|
26
|
26
|
21
|
20
|
26
|
31
|
26
|
24
|
24
|
25
|
29
|
24
|
32
|
37
|
|
2026/02
|
40
|
51
|
43
|
39
|
36
|
28
|
50
|
45
|
41
|
44
|
33
|
33
|
40
|
34
|
25
|
29
|
163
|
57
|
41
|
60
|
40
|
26
|
29
|
44
|
48
|
35
|
36
|
25
|
|||
|
2026/01
|
47
|
46
|
33
|
42
|
60
|
39
|
48
|
51
|
55
|
70
|
69
|
50
|
76
|
74
|
51
|
50
|
54
|
47
|
42
|
39
|
54
|
45
|
48
|
71
|
47
|
31
|
66
|
74
|
40
|
28
|
41
|
|
2025/12
|
98
|
45
|
45
|
70
|
70
|
90
|
69
|
82
|
72
|
75
|
72
|
62
|
40
|
35
|
55
|
46
|
63
|
55
|
42
|
43
|
61
|
45
|
35
|
31
|
28
|
34
|
56
|
73
|
72
|
76
|
68
|
|
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
|
|
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