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England, United Kingdom

Wrea Green · Air quality

Monday, Nov 9 · Europe/London

Wrea Green air quality

US air quality index

99

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
35 µg/m³
PM2.5
37 µg/m³
PM10
37 µg/m³
Ozone
0 µg/m³
Nitrogen dioxide
25 µg/m³
Sulfur dioxide
5.3 µg/m³
Carbon monoxide
369 µg/m³
European AQI (separate scale)
4