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Primary air pollutant in the London area:

PM2.5 - 163 Unhealthy

People with heart or lung disease, older adults, children and teens – take any of these steps to reduce your exposure:

• Avoid strenuous outdoor activities.
• Keep outdoor activities short.
• Consider moving physical activities indoors or rescheduling them.

Everyone else – take any of these steps to reduce your exposure:

• Choose less strenuous activities (like walking instead of running) so you don’t breathe as hard.
• Shorten the amount of time you are active outdoors.
• Be active outdoors when air quality is better.

Other Pollutants:

OZONE - 2 Good