Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
26
O3
0.3
CO
14
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
40
Excellent
Fri
12 Sep
42
Excellent
Sat
13 Sep
43
Excellent
Sun
14 Sep
48
Excellent
Mon
15 Sep
39
Excellent
Tue
16 Sep
41
Excellent
Wed
17 Sep
49
Excellent
Air quality in the last 12 months (Chikan)
|
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
|
|
2024/11
|
52
|
47
|
53
|
43
|
51
|
56
|
59
|
59
|
67
|
60
|
46
|
65
|
81
|
71
|
61
|
46
|
29
|
37
|
36
|
19
|
28
|
37
|
35
|
41
|
30
|
29
|
43
|
49
|
46
|
48
|
|
|
2024/10
|
43
|
30
|
48
|
49
|
49
|
50
|
48
|
59
|
56
|
56
|
50
|
37
|
34
|
34
|
30
|
29
|
23
|
17
|
21
|
30
|
36
|
43
|
23
|
37
|
46
|
46
|
37
|
23
|
24
|
34
|
50
|
|
2024/09
|
15
|
23
|
39
|
36
|
45
|
19
|
25
|
33
|
25
|
17
|
19
|
26
|
31
|
48
|
39
|
37
|
26
|
23
|
27
|
23
|
27
|
13
|
17
|
16
|
37
|
41
|
40
|
34
|
30
|
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