Krompachy vs Petržalka AQI Comparison

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

Lower average AQI: Petržalka (16-pt gap)PM2.5: Krompachy 17.9 ug/m3 · Petržalka 12.5 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-29–2024-12-31 and 2024-01-01–2024-12-31.

Compare two cities

City A

City B

Krompachy vs Petržalka

Krompachy

Košice, Slovakia

PM2.5: 17.9 ug/m3
PM10: 22.6 ug/m3
Worst month: January
Trend: n/a

EPA category: Moderate

Petržalka

Bratislava, Slovakia

PM2.5: 12.5 ug/m3
PM10: 17.5 ug/m3
Worst month: November
Trend: n/a

EPA category: Good

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Krompachy

110

Petržalka

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.