Yamanashi Prefecture AQI – Detailed Air Quality
Display current air quality index and forecast for the upcoming days in Yamanashi Prefecture.
Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Kōfu, Yamanashi Capital
3:31 AM,
September 12, 2026
Last updated on: 3:31 AM
Live AQI
25
Air Quality is
Good
PM₂.₅:
5.01µg/m³
PM₁₀:
5.51µg/m³
Good
Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Air Quality Hourly Forecast
25
Min
at 3:00 AM on Sep 11
65
Max
at 11:00 PM on Sep 12, 2026
Yamanashi Prefecture Historical Air Quality Data
Display historical AQI data calendar by selecting a specific date and location Yamanashi Prefecture.
Kōfu, Yamanashi Capital Historical Air Quality Data
Explore historical AQI data and pollutant changes over time.
Sep 12, 2026
3:31 AM
SUNMONTUEWEDTHUFRISAT
02
107
Poor
PM2.5:
28
PM₂.₅
28
µg/m3
PM₁₀
38
µg/m3
SO₂
5
µg/m3
NO₂
5
µg/m3
O₃
102
µg/m3
CO
163
µg/m3
AQI Hourly Forecast Graph
36
Min
at 12:00 AM on Aug 2
155
Max
at 1:00 PM on Aug 2, 2026
03
35
Good
PM2.5:
7
PM₂.₅
7
µg/m3
PM₁₀
18
µg/m3
SO₂
5
µg/m3
NO₂
7
µg/m3
O₃
71
µg/m3
CO
115
µg/m3
AQI Hourly Forecast Graph
24
Min
at 12:00 AM on Aug 3
49
Max
at 7:00 AM on Aug 3, 2026
04
35
Good
PM2.5:
7
PM₂.₅
7
µg/m3
PM₁₀
19
µg/m3
SO₂
5
µg/m3
NO₂
6
µg/m3
O₃
86
µg/m3
CO
111
µg/m3
AQI Hourly Forecast Graph
24
Min
at 1:00 AM on Aug 4
48
Max
at 5:00 AM on Aug 4, 2026
05
35
Good
PM2.5:
7
PM₂.₅
7
µg/m3
PM₁₀
15
µg/m3
SO₂
4
µg/m3
NO₂
6
µg/m3
O₃
66
µg/m3
CO
99
µg/m3
AQI Hourly Forecast Graph
28
Min
at 12:00 PM on Aug 5
48
Max
at 7:00 AM on Aug 5, 2026
06
30
Good
PM2.5:
6
PM₂.₅
6
µg/m3
PM₁₀
13
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
39
µg/m3
CO
81
µg/m3
AQI Hourly Forecast Graph
19
Min
at 5:00 PM on Aug 6
43
Max
at 5:00 AM on Aug 6, 2026
07
15
Good
PM2.5:
3
PM₂.₅
3
µg/m3
PM₁₀
7
µg/m3
SO₂
1
µg/m3
NO₂
1
µg/m3
O₃
33
µg/m3
CO
74
µg/m3
AQI Hourly Forecast Graph
13
Min
at 7:00 AM on Aug 7
23
Max
at 1:00 AM on Aug 7, 2026
08
15
Good
PM2.5:
3
PM₂.₅
3
µg/m3
PM₁₀
7
µg/m3
SO₂
1
µg/m3
NO₂
2
µg/m3
O₃
39
µg/m3
CO
74
µg/m3
AQI Hourly Forecast Graph
13
Min
at 1:00 PM on Aug 8
17
Max
at 12:00 AM on Aug 8, 2026
09
30
Good
PM2.5:
6
PM₂.₅
6
µg/m3
PM₁₀
10
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
51
µg/m3
CO
80
µg/m3
AQI Hourly Forecast Graph
18
Min
at 1:00 AM on Aug 9
54
Max
at 12:00 AM on Aug 9, 2026
10
80
Moderate
PM2.5:
19
PM₂.₅
19
µg/m3
PM₁₀
22
µg/m3
SO₂
5
µg/m3
NO₂
3
µg/m3
O₃
105
µg/m3
CO
116
µg/m3
AQI Hourly Forecast Graph
39
Min
at 12:00 AM on Aug 10
110
Max
at 6:00 AM on Aug 10, 2026
11
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
7
µg/m3
SO₂
2
µg/m3
NO₂
5
µg/m3
O₃
73
µg/m3
CO
115
µg/m3
AQI Hourly Forecast Graph
10
Min
at 6:00 PM on Aug 11
38
Max
at 6:00 AM on Aug 11, 2026
12
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
6
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
84
µg/m3
CO
102
µg/m3
AQI Hourly Forecast Graph
15
Min
at 6:00 AM on Aug 12
26
Max
at 12:00 AM on Aug 12, 2026
13
25
Good
PM2.5:
5
PM₂.₅
5
µg/m3
PM₁₀
7
µg/m3
SO₂
3
µg/m3
NO₂
10
µg/m3
O₃
40
µg/m3
CO
101
µg/m3
AQI Hourly Forecast Graph
17
Min
at 11:00 PM on Aug 13
33
Max
at 7:00 AM on Aug 13, 2026
14
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
5
µg/m3
SO₂
3
µg/m3
NO₂
6
µg/m3
O₃
34
µg/m3
CO
86
µg/m3
AQI Hourly Forecast Graph
14
Min
at 7:00 PM on Aug 14
25
Max
at 7:00 AM on Aug 14, 2026
15
15
Good
PM2.5:
3
PM₂.₅
3
µg/m3
PM₁₀
7
µg/m3
SO₂
3
µg/m3
NO₂
4
µg/m3
O₃
52
µg/m3
CO
81
µg/m3
AQI Hourly Forecast Graph
11
Min
at 1:00 PM on Aug 15
26
Max
at 1:00 AM on Aug 15, 2026
16
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
8
µg/m3
SO₂
3
µg/m3
NO₂
3
µg/m3
O₃
62
µg/m3
CO
98
µg/m3
AQI Hourly Forecast Graph
10
Min
at 11:00 AM on Aug 16
35
Max
at 6:00 AM on Aug 16, 2026
17
10
Good
PM2.5:
2
PM₂.₅
2
µg/m3
PM₁₀
4
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
55
µg/m3
CO
91
µg/m3
AQI Hourly Forecast Graph
8
Min
at 5:00 PM on Aug 17
13
Max
at 12:00 AM on Aug 17, 2026
18
10
Good
PM2.5:
2
PM₂.₅
2
µg/m3
PM₁₀
4
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
53
µg/m3
CO
86
µg/m3
AQI Hourly Forecast Graph
9
Min
at 2:00 PM on Aug 18
17
Max
at 12:00 AM on Aug 18, 2026
19
25
Good
PM2.5:
5
PM₂.₅
5
µg/m3
PM₁₀
8
µg/m3
SO₂
3
µg/m3
NO₂
2
µg/m3
O₃
55
µg/m3
CO
85
µg/m3
AQI Hourly Forecast Graph
19
Min
at 1:00 AM on Aug 19
27
Max
at 7:00 AM on Aug 19, 2026
20
30
Good
PM2.5:
6
PM₂.₅
6
µg/m3
PM₁₀
10
µg/m3
SO₂
3
µg/m3
NO₂
3
µg/m3
O₃
59
µg/m3
CO
87
µg/m3
AQI Hourly Forecast Graph
25
Min
at 7:00 PM on Aug 20
40
Max
at 6:00 AM on Aug 20, 2026
21
15
Good
PM2.5:
3
PM₂.₅
3
µg/m3
PM₁₀
6
µg/m3
SO₂
1
µg/m3
NO₂
2
µg/m3
O₃
58
µg/m3
CO
86
µg/m3
AQI Hourly Forecast Graph
11
Min
at 10:00 AM on Aug 21
29
Max
at 1:00 AM on Aug 21, 2026
22
10
Good
PM2.5:
2
PM₂.₅
2
µg/m3
PM₁₀
5
µg/m3
SO₂
1
µg/m3
NO₂
2
µg/m3
O₃
49
µg/m3
CO
84
µg/m3
AQI Hourly Forecast Graph
12
Min
at 3:00 AM on Aug 22
13
Max
at 1:00 AM on Aug 22, 2026
23
77
Moderate
PM2.5:
18
PM₂.₅
18
µg/m3
PM₁₀
20
µg/m3
SO₂
3
µg/m3
NO₂
3
µg/m3
O₃
84
µg/m3
CO
118
µg/m3
AQI Hourly Forecast Graph
14
Min
at 1:00 AM on Aug 23
99
Max
at 10:00 AM on Aug 23, 2026
24
45
Good
PM2.5:
9
PM₂.₅
9
µg/m3
PM₁₀
11
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
75
µg/m3
CO
98
µg/m3
AQI Hourly Forecast Graph
11
Min
at 8:00 PM on Aug 24
103
Max
at 1:00 AM on Aug 24, 2026
25
0
Good
PM2.5:
0
PM₂.₅
0
µg/m3
PM₁₀
0
µg/m3
SO₂
0
µg/m3
NO₂
0
µg/m3
O₃
2
µg/m3
CO
4
µg/m3
AQI Hourly Forecast Graph
11
Min
at 1:00 AM on Aug 25
11
Max
at 1:00 AM on Aug 25, 2026
26
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
12
µg/m3
SO₂
1
µg/m3
NO₂
2
µg/m3
O₃
45
µg/m3
CO
88
µg/m3
AQI Hourly Forecast Graph
17
Min
at 12:00 AM on Aug 26
27
Max
at 4:00 AM on Aug 26, 2026
27
0
Good
PM2.5:
0
PM₂.₅
0
µg/m3
PM₁₀
0
µg/m3
SO₂
0
µg/m3
NO₂
0
µg/m3
O₃
1
µg/m3
CO
4
µg/m3
AQI Hourly Forecast Graph
17
Min
at 1:00 AM on Aug 27
17
Max
at 1:00 AM on Aug 27, 2026
29
20
Good
PM2.5:
4
PM₂.₅
4
µg/m3
PM₁₀
11
µg/m3
SO₂
1
µg/m3
NO₂
5
µg/m3
O₃
31
µg/m3
CO
86
µg/m3
AQI Hourly Forecast Graph
14
Min
at 11:00 AM on Aug 29
32
Max
at 12:00 AM on Aug 29, 2026
30
35
Good
PM2.5:
7
PM₂.₅
7
µg/m3
PM₁₀
16
µg/m3
SO₂
1
µg/m3
NO₂
4
µg/m3
O₃
50
µg/m3
CO
95
µg/m3
AQI Hourly Forecast Graph
29
Min
at 1:00 PM on Aug 30
52
Max
at 12:00 AM on Aug 30, 2026
31
71
Moderate
PM2.5:
16
PM₂.₅
16
µg/m3
PM₁₀
28
µg/m3
SO₂
7
µg/m3
NO₂
9
µg/m3
O₃
74
µg/m3
CO
155
µg/m3
AQI Hourly Forecast Graph
52
Min
at 7:00 PM on Aug 31
111
Max
at 6:00 AM on Aug 31, 2026
01
40
Good
PM2.5:
8
PM₂.₅
8
µg/m3
PM₁₀
16
µg/m3
SO₂
4
µg/m3
NO₂
3
µg/m3
O₃
89
µg/m3
CO
131
µg/m3
AQI Hourly Forecast Graph
25
Min
at 7:00 PM on Sep 1
60
Max
at 6:00 AM on Sep 1, 2026
02
25
Good
PM2.5:
5
PM₂.₅
5
µg/m3
PM₁₀
8
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
69
µg/m3
CO
115
µg/m3
AQI Hourly Forecast Graph
26
Min
at 6:00 AM on Sep 2
28
Max
at 1:00 AM on Sep 2, 2026
03
30
Good
PM2.5:
6
PM₂.₅
6
µg/m3
PM₁₀
7
µg/m3
SO₂
2
µg/m3
NO₂
8
µg/m3
O₃
47
µg/m3
CO
128
µg/m3
AQI Hourly Forecast Graph
20
Min
at 3:00 AM on Sep 3
42
Max
at 8:00 PM on Sep 3, 2026
04
30
Good
PM2.5:
6
PM₂.₅
6
µg/m3
PM₁₀
6
µg/m3
SO₂
2
µg/m3
NO₂
10
µg/m3
O₃
37
µg/m3
CO
136
µg/m3
AQI Hourly Forecast Graph
9
Min
at 7:00 AM on Sep 4
54
Max
at 1:00 PM on Sep 4, 2026
05
15
Good
PM2.5:
3
PM₂.₅
3
µg/m3
PM₁₀
5
µg/m3
SO₂
3
µg/m3
NO₂
7
µg/m3
O₃
72
µg/m3
CO
149
µg/m3
AQI Hourly Forecast Graph
13
Min
at 12:00 AM on Sep 5
21
Max
at 1:00 AM on Sep 5, 2026
Yamanashi Prefecture Historical Weather Data
Display historical weather data by selecting a specific date and location Yamanashi Prefecture.
Display historical weather data by selecting a specific date and location Yamanashi Prefecture.
Kōfu, Yamanashi CapitalSep 11, 2026
17
°C
|
°F
Light rain shower
Max
19
°
Min
15
°
|
Humidity
97 %
|
Wind
21 Km/h
|
|
Visibility
8 km
|
UV Index
1.1
|
|
Sunrise
5:25 AM
|
Sunset
5:59 PM
|
|
Moonrise
4:59 AM
|
Moonset
5:49 PM
|
|
Precipitation
20.78 mm
|
Snow
0 mm/h
|
|
Rain Chance
100%
|