Classification index
Caution (AQI 101–150)
Summary: Sensitive groups are more likely to experience health effects at this range.
Health implications
Children, older adults, and people with heart/lung conditions may feel irritation or reduced tolerance for exertion.
Recommended actions
- Reduce prolonged strenuous outdoor activity for sensitive groups.
- Shift exercise to cleaner indoor environments when possible.
- Track local trend direction closely.
For schools and workplaces
Adjust schedules and intensity to minimize health stress for vulnerable participants.