Frøn vs Hamar AQI Comparison

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

Lower average AQI: Frøn (8-pt gap)PM2.5: Frøn 7.8 ug/m3 · Hamar 10.3 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-01–2024-12-31 and 2024-01-04–2024-12-23.

Compare two cities

City A

City B

Oslo, Norway

EPA category: Good

Innlandet, Norway

EPA category: Good

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

JanFebMarAprMayJunJulAugSepOctNovDec

Frøn

Hamar

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.