Skip to content

Slovakia AQI Analytics

OpenAQ-derived PM2.5 and PM10 history for 40 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.

Search city analytics

Cities
40

with OpenAQ history

Locations
85

mapped monitors

Daily rows
12,263

2024-01-01 to 2024-12-31

Avg EPA AQI
57

14.6 ug/m3 PM2.5

Current data story

The highest average AQI in this pilot slice is Smižany, with an EPA AQI average of 86 and PM2.5 around 27.3 ug/m3. Its worst month is January.

Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.

Country average
57
US EPA scale
PM2.5 14.6 ug/m3 · PM10 20.6 ug/m3

Analytics tools

Cities ranked by average AQI

CityAvg AQIPM2.5Worst monthTrendCoverage
Smižany
Košice, Slovakia
8627.3 ug/m3Januaryn/a29 days · 1 locations
Moldava nad Bodvou
Košice, Slovakia
7220.9 ug/m3Novembern/a322 days · 2 locations
Veľký Krtíš
Banská Bystrica, Slovakia
7220.9 ug/m3Januaryn/a294 days · 1 locations
Banská Štiavnica
Banská Bystrica, Slovakia
7019.7 ug/m3Januaryn/a294 days · 1 locations
Krompachy
Košice, Slovakia
6517.9 ug/m3Januaryn/a296 days · 3 locations
Prešov
Prešov, Slovakia
6517.3 ug/m3Novembern/a323 days · 2 locations
Revúca
Banská Bystrica, Slovakia
6417.5 ug/m3Januaryn/a338 days · 4 locations
Púchov
Nitra, Slovakia
6316.9 ug/m3Januaryn/a294 days · 1 locations
Košice
Košice, Slovakia
6216.1 ug/m3Novembern/a340 days · 5 locations
Humenné
Prešov, Slovakia
6216.1 ug/m3Januaryn/a338 days · 4 locations
Lučenec
Banská Bystrica, Slovakia
6217.0 ug/m3Januaryn/a288 days · 1 locations
Žilina
Žilina, Slovakia
6115.8 ug/m3Novembern/a318 days · 2 locations
Čadca
Žilina, Slovakia
6015.1 ug/m3Januaryn/a292 days · 1 locations
Martin
Žilina, Slovakia
6015.1 ug/m3Novembern/a322 days · 2 locations
Ružomberok
Žilina, Slovakia
6015.4 ug/m3Novembern/a318 days · 2 locations
Vranov nad Topľou
Prešov, Slovakia
5915.1 ug/m3Januaryn/a323 days · 2 locations
Trebišov
Košice, Slovakia
5914.9 ug/m3Januaryn/a293 days · 1 locations
Komárno
Nitra, Slovakia
5614.4 ug/m3Januaryn/a293 days · 1 locations
Zvolen
Banská Bystrica, Slovakia
5614.0 ug/m3Decembern/a320 days · 2 locations
Nitra
Nitra, Slovakia
5613.8 ug/m3Novembern/a340 days · 3 locations
Prievidza
Nitra, Slovakia
5613.6 ug/m3Novembern/a323 days · 1 locations
Pezinok
Bratislava, Slovakia
5613.9 ug/m3Januaryn/a292 days · 1 locations
Banská Bystrica
Banská Bystrica, Slovakia
5413.1 ug/m3Novembern/a340 days · 3 locations
Trnava
Trnava, Slovakia
5413.2 ug/m3Januaryn/a317 days · 2 locations

Browse Slovakia city AQI analytics