Air Quality
Excellent
No health implications.
23
PM2.5
48
PM10
83
O3
0.7
CO
23
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
51
Good
Thu
17 Jul
52
Good
Fri
18 Jul
52
Good
Sat
19 Jul
48
Excellent
Sun
20 Jul
47
Excellent
Mon
21 Jul
48
Excellent
Tue
22 Jul
50
Excellent
Air quality in the last 12 months (Shinshu)
|
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
|
|
|
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
|
|
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