Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
21
PM2.5
55
*
PM10
38
O3
0.5
CO
13
SO2
27
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Jul
44
Excellent
Wed
16 Jul
46
Excellent
Thu
17 Jul
46
Excellent
Fri
18 Jul
47
Excellent
Sat
19 Jul
56
Good
Sun
20 Jul
25
Excellent
Mon
21 Jul
39
Excellent
Air quality in the last 12 months (Chikan)
|
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
|
|
|
2024/08
|
23
|
24
|
22
|
27
|
26
|
24
|
32
|
28
|
30
|
31
|
27
|
27
|
22
|
28
|
21
|
22
|
18
|
17
|
21
|
20
|
23
|
25
|
25
|
34
|
25
|
32
|
26
|
27
|
22
|
25
|
14
|
|
2024/07
|
27
|
25
|
20
|
16
|
11
|
11
|
11
|
15
|
14
|
17
|
19
|
18
|
14
|
15
|
18
|
15
|
14
|
13
|
13
|
18
|
13
|
14
|
18
|
22
|
21
|
24
|
25
|
20
|
10
|
12
|
21
|
|
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