Casale Monferrato vs San Pietro Vernotico AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Casale Monferrato and San Pietro Vernotico. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Casale Monferrato (79-pt gap)PM2.5: Casale Monferrato 19.4 ug/m3 · San Pietro Vernotico 98.2 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-01–2024-12-10 and 2024-01-01–2024-12-31.

Compare two cities

City A

City B

Casale Monferrato vs San Pietro Vernotico

Casale Monferrato

Piedmont, Italy

PM2.5: 19.4 ug/m3
PM10: 21.1 ug/m3
Worst month: November
Trend: n/a

EPA category: Good

San Pietro Vernotico

Puglia, Italy

112

PM2.5: 98.2 ug/m3
PM10: n/a ug/m3
Worst month: December
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

Lower average AQI in this selected period: Casale Monferrato. Values are historical OpenAQ-derived city summaries, not live readings.

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Casale Monferrato

San Pietro Vernotico

122

186

148

136

107

134

187

What this comparison measures

Average EPA AQI — city-level daily AQI values averaged across the OpenAQ coverage window.
PM2.5 and PM10 — mapped monitor concentrations aggregated to daily city averages.
Seasonality — worst and cleanest months from the monthly city rollups.
Trend — difference between the earliest and latest yearly AQI average in this build.