Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
42
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
44
Excellent
Mon
20 Oct
44
Excellent
Tue
21 Oct
45
Excellent
Wed
22 Oct
44
Excellent
Thu
23 Oct
47
Excellent
Fri
24 Oct
45
Excellent
Sat
25 Oct
20
Excellent
Shinshu Air quality rank
Air quality in the last 12 months (Shinshu)
|
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
|
|||
|
2025/01
|
74
|
73
|
73
|
65
|
79
|
71
|
77
|
87
|
72
|
41
|
51
|
55
|
56
|
59
|
72
|
59
|
53
|
55
|
55
|
53
|
63
|
63
|
63
|
54
|
41
|
23
|
44
|
68
|
181
|
56
|
42
|
|
2024/12
|
52
|
49
|
58
|
72
|
48
|
23
|
51
|
65
|
49
|
51
|
26
|
33
|
56
|
63
|
57
|
52
|
57
|
56
|
51
|
53
|
59
|
65
|
57
|
63
|
79
|
77
|
100
|
81
|
65
|
71
|
64
|
|
2024/11
|
23
|
29
|
39
|
53
|
59
|
49
|
37
|
35
|
38
|
35
|
41
|
49
|
47
|
40
|
23
|
24
|
23
|
31
|
33
|
34
|
40
|
39
|
62
|
47
|
39
|
28
|
41
|
51
|
56
|
55
|
|
|
2024/10
|
34
|
28
|
31
|
30
|
29
|
22
|
29
|
18
|
36
|
43
|
54
|
60
|
48
|
45
|
72
|
19
|
28
|
42
|
28
|
22
|
42
|
46
|
30
|
49
|
34
|
44
|
23
|
18
|
49
|
44
|
32
|
|
2024/09
|
30
|
52
|
52
|
44
|
33
|
32
|
35
|
39
|
32
|
35
|
41
|
27
|
42
|
41
|
37
|
32
|
23
|
21
|
28
|
41
|
37
|
24
|
23
|
18
|
33
|
42
|
24
|
28
|
43
|
38
|
|
|
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