Air Quality Levels Explained

This page helps elderly users understand what each Malaysia Air Quality Index level means and what action to take to stay safe.

Good

0 - 49: Good

Air quality is safe and healthy for most people.

Advice: Outdoor activities are generally fine.

Moderate

Air quality is acceptable, but some sensitive people may feel mild discomfort.

Advice: Elderly people should reduce long outdoor activity if they feel unwell.

Unhealthy for Sensitive Groups

Elderly people and those with heart or lung conditions may start to feel health effects.

Advice: Limit prolonged outdoor activity and wear a mask if needed.

Unhealthy

Air quality can affect everyone, especially elderly users and sensitive groups.

Advice: Stay indoors as much as possible and avoid exercise outside.

Very Unhealthy

This level creates a high health risk for the whole population.

Advice: Avoid going outside unless necessary. Keep doors and windows closed.

Hazardous

This is an emergency air quality level and can cause serious health effects.

Advice: Stay indoors, avoid physical activity, and seek help if breathing becomes difficult.