• October 21, 2026
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Last updated on October 1st, 2026 at 09:46 am

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Air Quality Hokkaidō Prefecture

Hokkaidō Prefecture AQI – Detailed Air Quality

Display current air quality index and forecast for the upcoming days in Hokkaidō Prefecture.

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Sapporo, Hokkaidō Capital
12:06 PM, October 21, 2026
Last updated on: 12:06 PM
Live AQI 11
Air Quality is Good
PM₂.₅: 2.14µg/m³ PM₁₀: 2.35µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+
Air Quality Hourly Forecast
3
Min at 1:00 AM on Oct 21
16
Max at 8:00 PM on Oct 21, 2026

Hokkaidō Prefecture Historical Air Quality Data

Display historical AQI data calendar by selecting a specific date and location Hokkaidō Prefecture.

Sapporo, Hokkaidō Capital Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.
Oct 21, 2026 12:06 PM
SUNMONTUEWEDTHUFRISAT
30
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 70 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
6
Min at 1:00 AM on Aug 30
8
Max at 4:00 AM on Aug 30, 2026
31
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 7 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 75 µg/m3
CO 127 µg/m3
AQI Hourly Forecast Graph
8
Min at 1:00 AM on Aug 31
10
Max at 8:00 AM on Aug 31, 2026
01
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 5 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 81 µg/m3
CO 123 µg/m3
AQI Hourly Forecast Graph
10
Min at 1:00 AM on Sep 1
13
Max at 12:00 AM on Sep 1, 2026
02
20
Good
PM2.5: 4
AQI
20
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 4 µg/m3
PM₁₀ 5 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 58 µg/m3
CO 123 µg/m3
AQI Hourly Forecast Graph
12
Min at 12:00 AM on Sep 2
23
Max at 6:00 AM on Sep 2, 2026
03
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 3 µg/m3
SO₂ 1 µg/m3
NO₂ 3 µg/m3
O₃ 46 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
7
Min at 8:00 PM on Sep 3
15
Max at 1:00 PM on Sep 3, 2026
04
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 2 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 70 µg/m3
CO 179 µg/m3
AQI Hourly Forecast Graph
6
Min at 3:00 AM on Sep 4
10
Max at 7:00 PM on Sep 4, 2026
05
30
Good
PM2.5: 6
AQI
30
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 6 µg/m3
PM₁₀ 7 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 78 µg/m3
CO 243 µg/m3
AQI Hourly Forecast Graph
11
Min at 1:00 AM on Sep 5
41
Max at 9:00 PM on Sep 5, 2026
06
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 13 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 110 µg/m3
CO 246 µg/m3
AQI Hourly Forecast Graph
38
Min at 1:00 PM on Sep 6
54
Max at 7:00 AM on Sep 6, 2026
07
30
Good
PM2.5: 6
AQI
30
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 6 µg/m3
PM₁₀ 9 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 92 µg/m3
CO 192 µg/m3
AQI Hourly Forecast Graph
14
Min at 5:00 PM on Sep 7
52
Max at 1:00 AM on Sep 7, 2026
08
20
Good
PM2.5: 4
AQI
20
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 4 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 71 µg/m3
CO 173 µg/m3
AQI Hourly Forecast Graph
9
Min at 12:00 AM on Sep 8
23
Max at 5:00 PM on Sep 8, 2026
09
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 2 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 59 µg/m3
CO 208 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 PM on Sep 9
8
Max at 1:00 AM on Sep 9, 2026
10
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 2 µg/m3
NO₂ 3 µg/m3
O₃ 67 µg/m3
CO 157 µg/m3
AQI Hourly Forecast Graph
5
Min at 1:00 AM on Sep 10
16
Max at 12:00 AM on Sep 10, 2026
11
20
Good
PM2.5: 4
AQI
20
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 4 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 69 µg/m3
CO 149 µg/m3
AQI Hourly Forecast Graph
12
Min at 6:00 PM on Sep 11
28
Max at 6:00 AM on Sep 11, 2026
12
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 9 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 71 µg/m3
CO 122 µg/m3
AQI Hourly Forecast Graph
15
Min at 1:00 AM on Sep 12
34
Max at 10:00 PM on Sep 12, 2026
13
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 9 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 68 µg/m3
CO 162 µg/m3
AQI Hourly Forecast Graph
22
Min at 9:00 AM on Sep 13
33
Max at 1:00 AM on Sep 13, 2026
14
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 73 µg/m3
CO 128 µg/m3
AQI Hourly Forecast Graph
9
Min at 10:00 AM on Sep 14
30
Max at 1:00 AM on Sep 14, 2026
15
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 61 µg/m3
CO 128 µg/m3
AQI Hourly Forecast Graph
8
Min at 5:00 PM on Sep 15
17
Max at 5:00 AM on Sep 15, 2026
16
20
Good
PM2.5: 4
AQI
20
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 4 µg/m3
PM₁₀ 6 µg/m3
SO₂ 2 µg/m3
NO₂ 3 µg/m3
O₃ 73 µg/m3
CO 125 µg/m3
AQI Hourly Forecast Graph
11
Min at 1:00 AM on Sep 16
30
Max at 12:00 AM on Sep 16, 2026
17
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 85 µg/m3
CO 127 µg/m3
AQI Hourly Forecast Graph
9
Min at 3:00 PM on Sep 17
30
Max at 1:00 AM on Sep 17, 2026
18
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 7 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 85 µg/m3
CO 117 µg/m3
AQI Hourly Forecast Graph
13
Min at 3:00 AM on Sep 18
19
Max at 1:00 PM on Sep 18, 2026
19
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 5 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 67 µg/m3
CO 119 µg/m3
AQI Hourly Forecast Graph
13
Min at 6:00 AM on Sep 19
20
Max at 12:00 AM on Sep 19, 2026
20
40
Good
PM2.5: 8
AQI
40
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 8 µg/m3
PM₁₀ 9 µg/m3
SO₂ 2 µg/m3
NO₂ 4 µg/m3
O₃ 59 µg/m3
CO 120 µg/m3
AQI Hourly Forecast Graph
21
Min at 1:00 AM on Sep 20
51
Max at 4:00 PM on Sep 20, 2026
21
30
Good
PM2.5: 6
AQI
30
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 6 µg/m3
PM₁₀ 8 µg/m3
SO₂ 2 µg/m3
NO₂ 3 µg/m3
O₃ 58 µg/m3
CO 119 µg/m3
AQI Hourly Forecast Graph
21
Min at 9:00 AM on Sep 21
47
Max at 4:00 PM on Sep 21, 2026
22
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 63 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
7
Min at 1:00 PM on Sep 22
21
Max at 1:00 AM on Sep 22, 2026
23
20
Good
PM2.5: 4
AQI
20
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 4 µg/m3
PM₁₀ 6 µg/m3
SO₂ 2 µg/m3
NO₂ 3 µg/m3
O₃ 63 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
12
Min at 1:00 AM on Sep 23
23
Max at 6:00 PM on Sep 23, 2026
24
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 70 µg/m3
CO 134 µg/m3
AQI Hourly Forecast Graph
6
Min at 10:00 PM on Sep 24
20
Max at 10:00 AM on Sep 24, 2026
25
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 3 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 80 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
6
Min at 1:00 AM on Sep 25
21
Max at 12:00 AM on Sep 25, 2026
26
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 5 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 83 µg/m3
CO 131 µg/m3
AQI Hourly Forecast Graph
7
Min at 11:00 PM on Sep 26
24
Max at 5:00 AM on Sep 26, 2026
27
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 4 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 73 µg/m3
CO 119 µg/m3
AQI Hourly Forecast Graph
7
Min at 1:00 AM on Sep 27
15
Max at 5:00 PM on Sep 27, 2026
28
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 79 µg/m3
CO 132 µg/m3
AQI Hourly Forecast Graph
5
Min at 11:00 PM on Sep 28
22
Max at 2:00 PM on Sep 28, 2026
29
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 3 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 77 µg/m3
CO 131 µg/m3
AQI Hourly Forecast Graph
5
Min at 1:00 AM on Sep 29
8
Max at 7:00 AM on Sep 29, 2026
30
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 5 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 79 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
7
Min at 1:00 AM on Sep 30
18
Max at 10:00 PM on Sep 30, 2026
01
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 3 µg/m3
PM₁₀ 6 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 81 µg/m3
CO 153 µg/m3
AQI Hourly Forecast Graph
3
Min at 10:00 PM on Oct 1
20
Max at 6:00 AM on Oct 1, 2026
02
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 2 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 73 µg/m3
CO 158 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Oct 2
6
Max at 8:00 AM on Oct 2, 2026
03
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 1 µg/m3
SO₂ 1 µg/m3
NO₂ 1 µg/m3
O₃ 72 µg/m3
CO 147 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Oct 3
3
Max at 1:00 AM on Oct 3, 2026

Hokkaidō Prefecture Historical Weather Data

Display historical weather data by selecting a specific date and location Hokkaidō Prefecture.

Display historical weather data by selecting a specific date and location Hokkaidō Prefecture.

Sapporo, Hokkaidō CapitalOct 20, 2026
weather image
10 °C | °F
Overcast
Max 17 °
Min 6 °
Humidity 77 %
Wind 28 Km/h
Visibility 10 km
UV Index 0.8
Sunrise 5:54 AM
Sunset 4:44 PM
Moon Phase 77
Snow 0 mm/h
Rain Chance 0%
Historical Weather from WeatherAPI

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