Hokkaido

Yamagata (山形) Air Quality Weather

Published

on

Yamagata Weather

Hokkaido Weather Forecast

Hokkaido, JP
06:17
weather image
16
°C °F
L: 15 ° H: 24 °
Feels like °
overcast clouds
Humidity 69 %
Pressure 14 psi
Wind 3 mph SE
Wind Gust 5 mph
UV Index 0
Precipitation 0 mm
Clouds 100%
Rain Chance 0%
Snow 0 mm/h
Visibility 6 mi
Sunrise 03:54
Sunset 19:16
Sunrise 03:54
Sun in orbit
Sunset 19:16
  • Daily
  • Hourly
Daily Forecast Hourly Forecast
Temperature
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
  • Snow
Today scattered clouds
weather image
15 ° / 24 ° 0 mm 0% 8 mph 87 % 14 psi 0 mm/h
Tomorrow light rain
weather image
17 ° / 27 ° 1 mm 100% 10 mph 96 % 14 psi 0 mm/h
Friday light rain
weather image
17 ° / 21 ° 1 mm 100% 6 mph 98 % 14 psi 0 mm/h
Saturday light rain
weather image
14 ° / 23 ° 0.5 mm 50% 10 mph 93 % 14 psi 0 mm/h
Sunday few clouds
weather image
13 ° / 23 ° 0 mm 0% 12 mph 91 % 14 psi 0 mm/h
Weather AI Assistant
Ask me anything about the weather!

Hokkaido Air Quality

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in London, GB
10:17 PM, Jun 16, 2026
Last updated on: 10:17 PM
Live AQI 22
Air Quality is Good
PM₂.₅: 4.48µg/m³ PM₁₀: 8.1µg/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+
Pollutant Details
Good Particulate Matter (PM₂.₅) 4.48 µg/m³
London Particulate Matter (PM₂.₅) Level United Kingdom
Particulate Matter (PM₂.₅)
22 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Particulate Matter (PM₂.₅) level at London is 4.48 µg/m³ , which is excellent. The air is clean and safe for everyone.

3.3x Below
The current Particulate Matter (PM₂.₅) level in London is 3.3x Below the recommended WHO guideline of 15 µg/m³.
Pollutant Sources:
  • Vehicle exhaust (especially diesel)
  • Industrial emissions
  • Residential wood burning
  • Wildfires
  • Construction and demolition dust
  • Coal and biomass burning
  • Secondary formation from gases like SO₂, NOx
Good Particulate Matter (PM₁₀) 8.1 µg/m³
London Particulate Matter (PM₁₀) Level United Kingdom
Particulate Matter (PM₁₀)
20 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Particulate Matter (PM₁₀) level at London is 8.1 µg/m³ , which is excellent. The air is clean and safe for everyone.

5.6x Below
The current Particulate Matter (PM₁₀) level in London is 5.6x Below the recommended WHO guideline of 45 µg/m³.
Pollutant Sources:
  • Road dust and soil dust
  • Construction sites
  • Mining and agriculture
  • Industrial grinding/crushing
  • Pollen, mold spores
  • Sea spray in coastal areas
Good Sulphur Dioxide (SO₂) 5.88 µg/m³
London Sulphur Dioxide (SO₂) Level United Kingdom
Sulphur Dioxide (SO₂)
15 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Sulphur Dioxide (SO₂) level at London is 5.88 µg/m³ , which is excellent. The air is clean and safe for everyone.

6.8x Below
The current Sulphur Dioxide (SO₂) level in London is 6.8x Below the recommended WHO guideline of 40 µg/m³.
Pollutant Sources:
  • Coal-fired power plants
  • Industrial boilers
  • Oil refineries
  • Ships using high-sulfur fuel
  • Metal smelting
Good Nitrogen Dioxide (NO₂) 14.44 µg/m³
London Nitrogen Dioxide (NO₂) Level United Kingdom
Nitrogen Dioxide (NO₂)
18 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Nitrogen Dioxide (NO₂) level at London is 14.44 µg/m³ , which is excellent. The air is clean and safe for everyone.

1.7x Below
The current Nitrogen Dioxide (NO₂) level in London is 1.7x Below the recommended WHO guideline of 25 µg/m³.
Pollutant Sources:
  • Vehicle engines (especially diesel)
  • Heating systems
  • Power plants (burning fossil fuels)
  • Gas stoves (indoor NO₂)
  • Industrial combustion processes
Good Ozone (O₃) 48.27 µg/m³
London Ozone (O₃) Level United Kingdom
Ozone (O₃)
40 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Ozone (O₃) level at London is 48.27 µg/m³ , which is excellent. The air is clean and safe for everyone.

2.1x Below
The current Ozone (O₃) level in London is 2.1x Below the recommended WHO guideline of 100 µg/m³.
Pollutant Sources:
  • Car and truck exhaust
  • Power plants
  • Industrial solvents and paints (VOCs)
  • Chemical manufacturing
  • Gasoline vapors
  • Lawn equipment
Good Carbon Monoxide (CO) 90.35 µg/m³
London Carbon Monoxide (CO) Level United Kingdom
Carbon Monoxide (CO)
1 µg/m³ Good
Last updated on: Jun 16, 2026 10:17 PM
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Carbon Monoxide (CO) level at London is 90.35 µg/m³ , which is excellent. The air is clean and safe for everyone.

44.3x Below
The current Carbon Monoxide (CO) level in London is 44.3x Below the recommended WHO guideline of 4000 µg/m³.
Pollutant Sources:
  • Incomplete combustion in vehicles
  • Wildfires
  • Gas stoves and heaters
  • Cigarette smoke
  • Wood burning stoves
  • Faulty indoor appliances
Air Quality Hourly Forecast
  • Daily
  • Hourly
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 4.55 µg/m³
Good Particulate Matter (PM₁₀) 8.27 µg/m³
Good Sulphur Dioxide (SO₂) 5.95 µg/m³
Good Nitrogen Dioxide (NO₂) 14.59 µg/m³
Good Ozone (O₃) 48.16 µg/m³
Good Carbon Monoxide (CO) 90.83 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 6.01 µg/m³
Good Particulate Matter (PM₁₀) 10.95 µg/m³
Good Sulphur Dioxide (SO₂) 6.33 µg/m³
Good Nitrogen Dioxide (NO₂) 13.66 µg/m³
Good Ozone (O₃) 54.16 µg/m³
Good Carbon Monoxide (CO) 94.53 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 9.7 µg/m³
Good Particulate Matter (PM₁₀) 13.36 µg/m³
Good Sulphur Dioxide (SO₂) 12.57 µg/m³
Good Nitrogen Dioxide (NO₂) 29.39 µg/m³
Good Ozone (O₃) 40.05 µg/m³
Good Carbon Monoxide (CO) 102.27 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 8.17 µg/m³
Good Particulate Matter (PM₁₀) 9.98 µg/m³
Good Sulphur Dioxide (SO₂) 9.93 µg/m³
Good Nitrogen Dioxide (NO₂) 23.5 µg/m³
Good Ozone (O₃) 41.46 µg/m³
Good Carbon Monoxide (CO) 99.37 µg/m³