Air Quality
Excellent
No health implications.
11
PM2.5
39
PM10
77
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Apr
47
Excellent
Sat
11 Apr
42
Excellent
Sun
12 Apr
46
Excellent
Mon
13 Apr
42
Excellent
Tue
14 Apr
45
Excellent
Wed
15 Apr
28
Excellent
Thu
16 Apr
39
Excellent
Shinshu Air quality rank
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