Alessandria · Piemonte

Environment of Castelletto d'Erro

Air quality: 2022 · Land consumption: 2024

PM2.5

20,8

μg/m³ (WHO: 5)

PM10

30,1

μg/m³ (WHO: 15)

NO₂

20,9

μg/m³ (WHO: 10)

Land consumption

5,3%

of territory

Air quality (2022)

The bar shows the measured value relative to twice the WHO limit (vertical line). Red = exceeds limit.

PM2.5 — Fine particulate20,8 μg/m³

0WHO Limit: 5 μg/m³10 μg/m³

PM10 — Coarse particulate30,1 μg/m³

0WHO Limit: 15 μg/m³30 μg/m³

NO₂ — Nitrogen dioxide20,9 μg/m³

0WHO Limit: 10 μg/m³20 μg/m³

Ozone (O₃) — annual average66,1 μg/m³

Source: ISPRA. Reference limits: WHO air quality guidelines (AQG 2021).

Consumed percentage

5,3%

out of 4,7 km² total

Consumed area

25 ha

sealed hectares

Source: ISPRA — Land Consumption Report in Italy.