What is the air quality trend in Pasco?

Over the past 8 days, Pasco had an average AQI of 89 based on station measurements. The worst day was 2026-08-05 with AQI 155.

How is Pasco air quality measured?

Air quality in Pasco 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 Pasco, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

157h

PM2.5 Station

157h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	45	45–45	10.9 µg/m³	1h	4
2026-08-07	124	55–152	44.6 µg/m³	20h	4
2026-08-06	152	129–161	61.7 µg/m³	24h	4
2026-08-05	155	129–164	65.8 µg/m³	24h	4
2026-08-04	144	94–176	64.6 µg/m³	24h	4
2026-08-03	40	6–108	12.6 µg/m³	18h	4
2026-08-02	21	4–215	9.8 µg/m³	24h	4
2026-08-01	35	5–68	9.1 µg/m³	22h	3

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