Kralupy nad Vltavou vs Roztoky AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Kralupy nad Vltavou and Roztoky. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Roztoky (33-pt gap)PM2.5: Kralupy nad Vltavou 23.8 ug/m3 · Roztoky 18.0 ug/m3

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

Compare two cities

City A

City B

Kralupy nad Vltavou vs Roztoky

Kralupy nad Vltavou

Středočeský Kraj, Czech Republic

PM2.5: 23.8 ug/m3
PM10: 23.6 ug/m3
Worst month: January
Trend: n/a

EPA category: Moderate

Roztoky

Středočeský Kraj, Czech Republic

PM2.5: 18.0 ug/m3
PM10: 17.7 ug/m3
Worst month: November
Trend: n/a

EPA category: Good

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Kralupy nad Vltavou

112

105

Roztoky

105

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.