What is the air quality trend in Buffalo?

Over the past 7 days, Buffalo had an average AQI of 67 based on station measurements. The worst day was 2026-07-16 with AQI 84.

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 Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

153h

PM2.5 Station

153h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	49	12–89	12.7 µg/m³	22h	3
2026-07-20	73	25–107	23.0 µg/m³	19h	3
2026-07-19	66	27–115	20.0 µg/m³	23h	2
2026-07-18	63	33–143	18.7 µg/m³	21h	3
2026-07-17	84	30–168	32.0 µg/m³	24h	3
2026-07-16	84	28–251	34.9 µg/m³	22h	3
2026-07-15	54	33–169	16.2 µg/m³	22h	3

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