Sri Lanka Air Quality
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1 hour
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AQI
PM2.5 (µg/m³)
PM10 (µg/m³)
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US EPA AQI Scale
0–50
Good
51–100
Moderate
101–150
Unhealthy (Sensitive)
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous