Ilsenburg vs Nieder-Olm AQI Comparison

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

Lower average AQI: Ilsenburg (56-pt gap)PM2.5: Ilsenburg 3.5 ug/m3 · Nieder-Olm 19.6 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-01–2024-12-31 and 2024-10-17–2024-12-31.

Compare two cities

City A

City B

Ilsenburg vs Nieder-Olm

Ilsenburg

Saxony-Anhalt, Germany

PM2.5: 3.5 ug/m3
PM10: 8.2 ug/m3
Worst month: August
Trend: n/a

EPA category: Good

Nieder-Olm

Rhineland-Palatinate, Germany

PM2.5: 19.6 ug/m3
PM10: 21.6 ug/m3
Worst month: November
Trend: n/a

EPA category: Moderate

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Ilsenburg

Nieder-Olm

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.