Air quality · South America
Air quality in Peru today
Right now the most polluted of the 5 Peru cities we cover is Arequipa at AQI 66 (Moderate); the cleanest is Piura at 28.
US EPA AQI, modelled from the CAMS forecast. Refreshed 3 Nov, 07:52 UTC+0.
Cities in Peru, worst air first
| # | City | AQI | Category | Population |
|---|---|---|---|---|
| 1 | Arequipa | 66 | Moderate | 1.2 m people |
| 2 | Chiclayo Lambayeque | 42 | Good | 0.6 m people |
| 3 | Trujillo La Libertad | 40 | Good | 1.1 m people |
| 4 | Lima Lima Province | 34 | Good | 7.7 m people |
| 5 | Piura | 28 | Good | 0.6 m people |
- Good 0–50
- Moderate 51–100
- Unhealthy for sensitive groups 101–150
- Unhealthy 151–200
- Very unhealthy 201–300
- Hazardous 301–500
Each city’s value is the CAMS model at the city’s coordinates, scored on the US EPA AQI. It is an estimate, not a station reading. How we calculate it.