SmogRank / World / Europe / Slovakia / Nitra Region
Most polluted cities in Nitra Region, Slovakia
1 measured city, this year; 1 above the WHO annual guideline. The only one: Nitra at 10.8 µg/m³, #845 in the world.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Nitra 0%
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Estimated: cities without a monitor
Nitra Region cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Nové Zámky | ≈ 12 µg/m³ |
| Komárno | ≈ 12 µg/m³ |
| Levice | ≈ 9 µg/m³ |
| Topoľčany | ≈ 15 µg/m³ |
| Šaľa | ≈ 13 µg/m³ |
Bad-air episodes in Nitra Region
- Europe, June 202630 June 2026, 1 day14 cities31 µg/m³peak, Târgu Mureş
- Slovakia, Czechia and Poland, June 202627 to 28 June 2026, 2 days18 cities33 µg/m³peak, Krompachy
- Eastern Europe, 15 to 17 April 20263 days25 cities44 µg/m³peak, Szeged
- Eastern Europe, 16 to 21 December 20256 days129 cities298 µg/m³peak, Banja Luka
- Europe, March 202519 to 30 March 2025, 12 days401 cities83 µg/m³peak, Kikinda
- Germany, Poland and 25 more countries, March 20253 to 13 March 2025, 11 days553 cities152 µg/m³peak, Negotin
Times when many cities around here had PM2.5 at twice their usual or more on the same days.
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SmogRank, most polluted cities in Nitra Region, Slovakia, PM2.5, this year to 6 Oct 2026, 22:00 UTC, smogrank.com/sk/region/nitra-region?w=year.
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
Updated 2026-10-06 22:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.