What is the air quality trend in Wasco?

Over the past 20 days, Wasco had an average AQI of 37 based on station measurements. The worst day was 2026-07-09 with AQI 45.

How is Wasco air quality measured?

Air quality in Wasco 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 Wasco, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

442h

PM2.5 Station

442h · 2 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	34	19–95	8.8 µg/m³	22h	2
2026-07-20	37	18–70	9.2 µg/m³	23h	2
2026-07-19	42	20–75	10.7 µg/m³	23h	2
2026-07-18	38	16–57	9.2 µg/m³	24h	2
2026-07-17	34	10–77	8.3 µg/m³	24h	2
2026-07-16	33	18–52	7.9 µg/m³	23h	2
2026-07-15	36	16–55	8.8 µg/m³	23h	2
2026-07-14	41	20–67	10.4 µg/m³	22h	2
2026-07-13	34	18–64	8.4 µg/m³	24h	2
2026-07-12	32	18–53	7.5 µg/m³	23h	2
2026-07-11	35	12–68	8.6 µg/m³	22h	2
2026-07-10	40	18–56	9.7 µg/m³	23h	2
2026-07-09	45	26–70	11.4 µg/m³	24h	2
2026-07-08	36	23–62	8.8 µg/m³	24h	2
2026-07-07	38	18–123	10.2 µg/m³	24h	2
2026-07-06	28	20–38	6.6 µg/m³	12h	2
2026-07-05	41	18–114	10.7 µg/m³	24h	2
2026-07-04	43	28–68	10.8 µg/m³	24h	2
2026-07-03	38	21–60	9.4 µg/m³	24h	2
2026-07-02	39	26–52	9.4 µg/m³	10h	2

Back to Wasco Air Quality