Air Quality
Excellent
No health implications.
3
PM2.5
17
PM10
61
O3
0.6
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Mar
43
Excellent
Fri
14 Mar
41
Excellent
Sat
15 Mar
41
Excellent
Sun
16 Mar
40
Excellent
Mon
17 Mar
50
Excellent
Tue
18 Mar
51
Good
Wed
19 Mar
45
Excellent
Air quality in the last 12 months (Shinshu)
|
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
|
|
|
2024/08
|
23
|
30
|
39
|
41
|
28
|
29
|
35
|
28
|
33
|
42
|
41
|
31
|
25
|
22
|
29
|
40
|
38
|
24
|
22
|
28
|
20
|
35
|
37
|
40
|
43
|
55
|
46
|
30
|
39
|
46
|
39
|
|
2024/07
|
27
|
32
|
28
|
27
|
29
|
31
|
31
|
26
|
28
|
30
|
33
|
30
|
27
|
28
|
34
|
36
|
29
|
30
|
30
|
30
|
37
|
26
|
31
|
27
|
21
|
18
|
19
|
16
|
18
|
22
|
19
|
|
2024/06
|
12
|
17
|
24
|
36
|
32
|
18
|
31
|
35
|
36
|
25
|
14
|
33
|
29
|
27
|
18
|
22
|
17
|
18
|
28
|
44
|
33
|
33
|
32
|
21
|
14
|
19
|
21
|
25
|
31
|
30
|
|
|
2024/05
|
16
|
37
|
45
|
25
|
25
|
30
|
41
|
48
|
57
|
60
|
41
|
40
|
55
|
46
|
48
|
57
|
58
|
53
|
54
|
37
|
25
|
28
|
35
|
29
|
28
|
26
|
22
|
19
|
33
|
44
|
42
|
|
2024/04
|
33
|
26
|
26
|
22
|
21
|
30
|
22
|
26
|
33
|
51
|
50
|
42
|
50
|
39
|
40
|
44
|
20
|
25
|
47
|
36
|
26
|
22
|
45
|
49
|
51
|
44
|
46
|
48
|
39
|
15
|
|
|
2024/03
|
51
|
45
|
40
|
45
|
38
|
26
|
43
|
51
|
61
|
63
|
61
|
54
|
70
|
62
|
61
|
47
|
41
|
43
|
48
|
57
|
53
|
48
|
49
|
42
|
38
|
22
|
40
|
35
|
45
|
45
|
24
|
|
2024/02
|
46
|
18
|
20
|
16
|
24
|
16
|
19
|
46
|
82
|
167
|
87
|
58
|
54
|
47
|
40
|
21
|
33
|
41
|
43
|
43
|
25
|
12
|
12
|
25
|
44
|
39
|
50
|
46
|
29
|
||
|
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