Air quality
Track AQI, PM2.5, PM10, NO₂, O₃ and other key pollutants by city and district.
58US_AQI
Masalli district
Moderate
Plan outdoor activity based on current air-quality indicators.
Key pollutants
MasalliChildren
When air quality worsens, reducing prolonged intense outdoor activity can help.
Respiratory sensitivity
People with asthma or respiratory sensitivity should monitor symptoms.
Cardiovascular group
Sensitive people should reduce strenuous activity when air quality worsens.
Sports and outdoors
Plan prolonged outdoor exercise according to the AQI.
How to read the index?
0–50Good51–100Fair101–150Moderate / sensitive151–200Poor201+Poor
Today’s outdoor plan
MasalliWhat do the pollutants mean?
Quick explanationVery fine particles that can penetrate deep into the lungs; one of the most important indicators.
Includes dust, soil and other coarse particles. Levels may rise in dry, windy weather.
A gas associated with traffic and combustion. High levels may irritate the respiratory tract.
Ground-level ozone can rise in sunny weather and affect prolonged outdoor activity.
Can be linked to fuel combustion and industrial sources and cause respiratory discomfort in sensitive people.
A colorless gas from incomplete combustion; especially dangerous in enclosed, poorly ventilated spaces.
Air quality in popular cities
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