What is the air quality trend in Buffalo?

Over the past 8 days, Buffalo had an average AQI of 39 based on station measurements. The worst day was 2026-07-21 with AQI 69.

How is Buffalo air quality measured?

Air quality in Buffalo 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 Buffalo, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

147h

PM2.5 Station

147h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	69	26–195	28.2 µg/m³	15h	2
2026-07-20	48	21–114	13.4 µg/m³	20h	2
2026-07-19	33	7–86	8.6 µg/m³	22h	2
2026-07-18	29	14–68	7.3 µg/m³	23h	2
2026-07-17	40	12–194	14.8 µg/m³	21h	2
2026-07-16	32	18–103	8.3 µg/m³	22h	2
2026-07-15	38	12–76	9.6 µg/m³	22h	2
2026-07-14	28	12–44	6.8 µg/m³	2h	2

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