Air Quality
Excellent
No health implications.
10
PM2.5
21
PM10
49
O3
0.5
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
39
Excellent
Sat
18 Apr
42
Excellent
Sun
19 Apr
43
Excellent
Mon
20 Apr
45
Excellent
Tue
21 Apr
54
Good
Wed
22 Apr
50
Excellent
Thu
23 Apr
50
Excellent
Air quality in the last 12 months (Chikan)
|
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
|
|
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
|
|
|
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