weather data and forecasting

Understanding the Vital Air Quality Challenges We Face Today

This section highlights environmental standards and offers actionable measures to monitor and improve breathable air.

Improving Ventilation Systems

This is the fourth solution description, detailing how indoor air circulation is optimized to reduce pollutants effectively.

Monitoring Pollutant Levels

This is the third solution description, explaining how real-time tracking transforms hazardous exposure into safety.

Adopting Clean Standards

This is the second solution description, demonstrating how strict environmental benchmarks remove harmful toxins.

Assessing Air Purity

This is the first solution description, outlining how comprehensive testing identifies air impurities swiftly and accurately.

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in London, GB
19:25, Nov 3, 2026
Last updated on: 19:15
Live AQI 4
Air Quality is Good
PM₂.₅: 0.71µg/m³ PM₁₀: 1.58µg/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) 0.71 µg/m³
London Particulate Matter (PM₂.₅) Level United Kingdom
Particulate Matter (PM₂.₅)
4 µg/m³ Good
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Particulate Matter (PM₂.₅) level at London is 0.71 µg/m³ , which is excellent. The air is clean and safe for everyone.

21.1x Below
The current Particulate Matter (PM₂.₅) level in London is 21.1x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
Good Particulate Matter (PM₁₀) 1.58 µg/m³
London Particulate Matter (PM₁₀) Level United Kingdom
Particulate Matter (PM₁₀)
4 µg/m³ Good
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Particulate Matter (PM₁₀) level at London is 1.58 µg/m³ , which is excellent. The air is clean and safe for everyone.

28.5x Below
The current Particulate Matter (PM₁₀) level in London is 28.5x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
Good Sulphur Dioxide (SO₂) 1.18 µg/m³
London Sulphur Dioxide (SO₂) Level United Kingdom
Sulphur Dioxide (SO₂)
3 µg/m³ Good
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Sulphur Dioxide (SO₂) level at London is 1.18 µg/m³ , which is excellent. The air is clean and safe for everyone.

33.9x Below
The current Sulphur Dioxide (SO₂) level in London is 33.9x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
Good Nitrogen Dioxide (NO₂) 5 µg/m³
London Nitrogen Dioxide (NO₂) Level United Kingdom
Nitrogen Dioxide (NO₂)
6 µg/m³ Good
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Nitrogen Dioxide (NO₂) level at London is 5 µg/m³ , which is excellent. The air is clean and safe for everyone.

5x Below
The current Nitrogen Dioxide (NO₂) level in London is 5x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
Moderate Ozone (O₃) 73.89 µg/m³
London Ozone (O₃) Level United Kingdom
Ozone (O₃)
68 µg/m³ Moderate
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Ozone (O₃) level at London is 73.89 µg/m³ , which is acceptable. Sensitive individuals should take light caution.

1.4x Below
The current Ozone (O₃) level in London is 1.4x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
Good Carbon Monoxide (CO) 135.7 µg/m³
London Carbon Monoxide (CO) Level United Kingdom
Carbon Monoxide (CO)
2 µg/m³ Good
Last updated on: Nov 3, 2026 19:15
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+

The current Carbon Monoxide (CO) level at London is 135.7 µg/m³ , which is excellent. The air is clean and safe for everyone.

29.5x Below
The current Carbon Monoxide (CO) level in London is 29.5x 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
Pollutant Impacts:
  • Irritation in Eyes
  • Aggravated asthma
  • Breathing problems
  • Headaches
  • Fatigue
Safety Advice:
  • Sensitive individuals should limit long or intense outdoor activities.
  • Keep medication/inhalers nearby if you have asthma or lung disease.
  • Monitor air quality apps or news.
✕
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) 2.44 µg/m³
Good Particulate Matter (PM₁₀) 3.77 µg/m³
Good Sulphur Dioxide (SO₂) 1.69 µg/m³
Good Nitrogen Dioxide (NO₂) 7.07 µg/m³
Moderate Ozone (O₃) 64.03 µg/m³
Good Carbon Monoxide (CO) 149.18 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 6.99 µg/m³
Good Particulate Matter (PM₁₀) 9.43 µg/m³
Good Sulphur Dioxide (SO₂) 2.79 µg/m³
Good Nitrogen Dioxide (NO₂) 7.66 µg/m³
Moderate Ozone (O₃) 63.35 µg/m³
Good Carbon Monoxide (CO) 166.01 µg/m³
Moderate The air quality is generally acceptable for most people. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.
Moderate Particulate Matter (PM₂.₅) 10.35 µg/m³
Good Particulate Matter (PM₁₀) 13.48 µg/m³
Good Sulphur Dioxide (SO₂) 3.11 µg/m³
Good Nitrogen Dioxide (NO₂) 11.76 µg/m³
Good Ozone (O₃) 45.63 µg/m³
Good Carbon Monoxide (CO) 192.07 µg/m³
Moderate The air quality is generally acceptable for most people. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.
Moderate Particulate Matter (PM₂.₅) 19.97 µg/m³
Moderate Particulate Matter (PM₁₀) 24.2 µg/m³
Good Sulphur Dioxide (SO₂) 4.87 µg/m³
Good Nitrogen Dioxide (NO₂) 22.64 µg/m³
Good Ozone (O₃) 25.04 µg/m³
Good Carbon Monoxide (CO) 237.12 µg/m³

Explore Air Quality Insights

Discover comprehensive information about environmental standards and measures to monitor and improve the air you breathe.

Air Monitoring

Track real-time data on local pollution levels.

Health Standards

Understand current environmental safety benchmarks.

Action Steps

Learn effective ways to reduce indoor pollutants.

Explore Air Quality Resources

This section highlights key standards and methods designed to support environmental monitoring and health.

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Environmental Standards

This topic covers essential guidelines to enhance your understanding of local regulations.

Read Standards
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Monitoring Measures

This topic delves into advanced tracking strategies and modern testing techniques.

View Techniques
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Health Improvements

Explore this topic for practical ways to improve the air you breathe.

Learn More

Breathe Cleaner Air and Improve Your Health Today

Discover comprehensive information about air quality, environmental standards, and measures you can take to monitor and improve the air you breathe every single day.

Learn More
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