Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
91
O3
0.5
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
51
Good
Thu
2 May
63
Good
Fri
3 May
52
Good
Sat
4 May
45
Excellent
Sun
5 May
47
Excellent
Mon
6 May
53
Good
Air quality in the last 12 months (Shinshu)
|
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
|
||
|
2024/01
|
114
|
108
|
54
|
52
|
51
|
56
|
97
|
109
|
97
|
56
|
56
|
56
|
55
|
62
|
81
|
67
|
64
|
66
|
46
|
22
|
40
|
28
|
36
|
47
|
53
|
49
|
55
|
55
|
60
|
35
|
51
|
|
2023/12
|
56
|
54
|
59
|
57
|
61
|
57
|
57
|
53
|
47
|
55
|
49
|
26
|
39
|
68
|
42
|
28
|
44
|
43
|
37
|
36
|
56
|
37
|
53
|
57
|
57
|
57
|
65
|
71
|
112
|
126
|
101
|
|
2023/11
|
51
|
50
|
44
|
53
|
50
|
27
|
39
|
39
|
38
|
21
|
17
|
15
|
34
|
49
|
55
|
44
|
75
|
69
|
57
|
56
|
53
|
50
|
51
|
70
|
59
|
60
|
71
|
62
|
64
|
65
|
|
|
2023/10
|
28
|
42
|
47
|
43
|
39
|
36
|
20
|
19
|
25
|
33
|
37
|
46
|
56
|
57
|
62
|
60
|
62
|
60
|
65
|
25
|
33
|
48
|
45
|
49
|
65
|
71
|
63
|
38
|
42
|
57
|
58
|
|
2023/09
|
39
|
43
|
45
|
33
|
28
|
34
|
40
|
39
|
44
|
50
|
55
|
56
|
27
|
20
|
18
|
22
|
34
|
39
|
42
|
47
|
41
|
30
|
29
|
31
|
44
|
41
|
55
|
47
|
36
|
43
|
|
|
2023/08
|
33
|
29
|
34
|
38
|
48
|
52
|
48
|
41
|
34
|
46
|
45
|
34
|
27
|
23
|
41
|
45
|
41
|
35
|
35
|
34
|
35
|
25
|
24
|
39
|
44
|
31
|
28
|
27
|
20
|
27
|
27
|
|
2023/07
|
37
|
45
|
33
|
25
|
33
|
29
|
33
|
32
|
34
|
41
|
33
|
33
|
36
|
38
|
47
|
37
|
26
|
30
|
26
|
27
|
25
|
28
|
20
|
33
|
30
|
33
|
22
|
16
|
18
|
22
|
29
|
|
2023/06
|
45
|
49
|
69
|
58
|
49
|
47
|
36
|
27
|
36
|
42
|
60
|
65
|
64
|
56
|
62
|
36
|
37
|
34
|
27
|
25
|
24
|
39
|
30
|
15
|
24
|
23
|
24
|
26
|
26
|
29
|
|
|
2023/05
|
63
|
50
|
51
|
43
|
30
|
33
|
23
|
32
|
51
|
52
|
56
|
52
|
53
|
63
|
62
|
59
|
32
|
32
|
46
|
60
|
28
|
57
|
51
|
44
|
34
|
46
|
34
|
43
|
50
|
42
|
40
|
|
2023/04
|
46
|
53
|
50
|
36
|
33
|
27
|
47
|
56
|
57
|
62
|
64
|
75
|
86
|
44
|
60
|
71
|
67
|
60
|
33
|
40
|
42
|
58
|
43
|
20
|
24
|
34
|
43
|
45
|
47
|
106
|
|
|
2023/03
|
57
|
63
|
69
|
64
|
63
|
57
|
61
|
65
|
60
|
60
|
63
|
63
|
77
|
57
|
60
|
73
|
50
|
29
|
22
|
28
|
57
|
36
|
29
|
19
|
19
|
30
|
73
|
74
|
56
|
31
|
37
|
|
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