Air Quality
Excellent
No health implications.
23
PM2.5
40
PM10
89
O3
0.6
CO
13
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
53
Good
Tue
6 May
76
Good
Wed
7 May
72
Good
Thu
8 May
61
Good
Fri
9 May
69
Good
Sat
10 May
17
Excellent
Sun
11 May
16
Excellent
Air quality in the last 12 months (Shinshu)
|
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
|
|
|
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
|
|
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