What is the air quality trend in Bryn Mawr-Skyway?

Over the past 15 days, Bryn Mawr-Skyway had an average AQI of 20 based on station measurements. The worst day was 2026-10-07 with AQI 42.

How is Bryn Mawr-Skyway air quality measured?

Air quality in Bryn Mawr-Skyway 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 Bryn Mawr-Skyway, United States

Name: Bryn Mawr-Skyway Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Bryn Mawr-Skyway, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 15 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	15	7–25	3.5 µg/m³	1.9	5h	5
2026-10-20	19	8–52	4.6 µg/m³	3.9	24h	2
2026-10-19	20	11–36	4.7 µg/m³	3.1	24h	2
2026-10-18	11	4–18	2.6 µg/m³	1.9	24h	2
2026-10-17	18	2–59	4.3 µg/m³	1.6	24h	3
2026-10-16	28	13–82	7.1 µg/m³	6.0	24h	3
2026-10-15	33	5–62	8.2 µg/m³	6.2	24h	2
2026-10-14	9	3–21	2.2 µg/m³	1.3	24h	3
2026-10-13	24	4–98	6.7 µg/m³	6.4	24h	3
2026-10-12	16	5–26	3.8 µg/m³	2.6	24h	2
2026-10-11	18	7–36	4.4 µg/m³	2.8	24h	2
2026-10-10	7	3–23	1.7 µg/m³	1.2	24h	3
2026-10-09	8	2–19	1.9 µg/m³	1.3	24h	3
2026-10-08	39	11–60	9.6 µg/m³	7.6	24h	3
2026-10-07	42	24–60	10.3 µg/m³	7.0	19h	2

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