What is the air quality trend in Franklin Square?

Over the past 8 days, Franklin Square had an average AQI of 81 based on station measurements. The worst day was 2026-07-16 with AQI 123.

How is Franklin Square air quality measured?

Air quality in Franklin Square is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Franklin Square, United States

Name: Franklin Square Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Franklin Square, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	39	39–39	9.3 µg/m³	—	1h	4
2026-07-21	57	29–95	15.9 µg/m³	112.7	24h	8
2026-07-20	57	27–96	16.5 µg/m³	149.0	24h	7
2026-07-19	69	38–105	21.0 µg/m³	102.8	24h	7
2026-07-18	105	64–156	36.9 µg/m³	125.2	24h	8
2026-07-17	112	55–176	44.3 µg/m³	122.2	24h	7
2026-07-16	123	76–180	48.6 µg/m³	138.1	24h	7
2026-07-15	89	33–154	29.9 µg/m³	102.6	23h	6

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