Air Quality
Excellent
No health implications.
6
PM2.5
21
PM10
59
O3
1.0
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
40
Excellent
Tue
24 Mar
42
Excellent
Wed
25 Mar
46
Excellent
Thu
26 Mar
42
Excellent
Fri
27 Mar
41
Excellent
Sat
28 Mar
42
Excellent
Sun
29 Mar
40
Excellent
Air quality in the last 12 months (Shinshu)
|
2026/02
|
29
|
46
|
61
|
61
|
74
|
44
|
17
|
38
|
44
|
52
|
54
|
61
|
63
|
45
|
40
|
33
|
59
|
68
|
62
|
42
|
38
|
47
|
104
|
62
|
23
|
20
|
25
|
17
|
|||
|
2026/01
|
31
|
25
|
53
|
64
|
45
|
41
|
50
|
51
|
52
|
50
|
58
|
61
|
61
|
56
|
52
|
64
|
77
|
83
|
63
|
19
|
27
|
49
|
60
|
63
|
64
|
69
|
30
|
49
|
73
|
55
|
16
|
|
2025/12
|
59
|
87
|
58
|
58
|
60
|
66
|
73
|
77
|
68
|
61
|
67
|
70
|
41
|
40
|
51
|
60
|
59
|
90
|
92
|
66
|
70
|
48
|
53
|
43
|
29
|
54
|
54
|
52
|
55
|
61
|
59
|
|
2025/11
|
49
|
48
|
58
|
34
|
31
|
40
|
42
|
35
|
18
|
41
|
46
|
22
|
43
|
49
|
63
|
62
|
52
|
28
|
38
|
44
|
50
|
55
|
61
|
55
|
68
|
80
|
79
|
75
|
59
|
56
|
|
|
2025/10
|
43
|
41
|
41
|
41
|
37
|
38
|
44
|
50
|
40
|
41
|
45
|
46
|
44
|
49
|
46
|
38
|
32
|
37
|
18
|
29
|
32
|
30
|
36
|
32
|
42
|
57
|
43
|
51
|
45
|
40
|
35
|
|
2025/09
|
24
|
35
|
30
|
36
|
36
|
32
|
30
|
30
|
31
|
21
|
22
|
27
|
26
|
22
|
32
|
33
|
32
|
31
|
26
|
28
|
24
|
32
|
33
|
19
|
28
|
23
|
38
|
44
|
43
|
46
|
|
|
2025/08
|
40
|
44
|
34
|
28
|
25
|
22
|
23
|
23
|
31
|
39
|
44
|
32
|
22
|
17
|
14
|
22
|
23
|
23
|
29
|
30
|
29
|
18
|
23
|
37
|
43
|
28
|
23
|
19
|
32
|
26
|
27
|
|
2025/07
|
18
|
28
|
29
|
31
|
30
|
28
|
23
|
25
|
25
|
20
|
26
|
20
|
20
|
34
|
38
|
29
|
36
|
34
|
22
|
20
|
16
|
16
|
24
|
21
|
41
|
28
|
18
|
23
|
21
|
33
|
24
|
|
2025/06
|
42
|
28
|
24
|
37
|
39
|
39
|
37
|
33
|
27
|
24
|
20
|
27
|
24
|
26
|
21
|
26
|
32
|
19
|
26
|
22
|
18
|
24
|
24
|
20
|
31
|
35
|
32
|
26
|
36
|
41
|
|
|
2025/05
|
46
|
48
|
54
|
57
|
36
|
47
|
83
|
49
|
27
|
42
|
39
|
43
|
42
|
44
|
61
|
47
|
34
|
27
|
34
|
24
|
27
|
41
|
18
|
42
|
57
|
58
|
56
|
43
|
22
|
31
|
44
|
|
2025/04
|
36
|
46
|
53
|
62
|
57
|
60
|
59
|
58
|
57
|
49
|
45
|
105
|
138
|
90
|
67
|
51
|
54
|
56
|
35
|
32
|
36
|
18
|
21
|
28
|
23
|
30
|
23
|
38
|
55
|
55
|
|
|
2025/03
|
41
|
42
|
44
|
18
|
23
|
22
|
49
|
44
|
60
|
48
|
57
|
54
|
37
|
28
|
16
|
32
|
38
|
36
|
47
|
45
|
42
|
45
|
50
|
61
|
61
|
67
|
64
|
54
|
38
|
43
|
41
|
|
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