Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
84
*
PM10
58
O3
0.6
CO
6
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Feb
44
Excellent
Wed
25 Feb
43
Excellent
Thu
26 Feb
43
Excellent
Fri
27 Feb
39
Excellent
Sat
28 Feb
47
Excellent
Sun
1 Mar
49
Excellent
Mon
2 Mar
45
Excellent
Shinshu Air quality rank
Air quality in the last 12 months (Shinshu)
|
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
|
|
2025/02
|
18
|
14
|
30
|
45
|
41
|
50
|
54
|
49
|
33
|
43
|
51
|
49
|
63
|
76
|
54
|
55
|
61
|
32
|
34
|
17
|
15
|
24
|
18
|
44
|
67
|
60
|
44
|
33
|
|||
|
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