What is the air quality trend in Opportunity?

Over the past 8 days, Opportunity had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 141.

How is Opportunity air quality measured?

Air quality in Opportunity 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 Opportunity, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	85	68–113	28.4 µg/m³	21h	13
2026-07-20	83	53–111	27.3 µg/m³	24h	14
2026-07-19	24	17–39	5.9 µg/m³	24h	15
2026-07-18	79	17–171	27.8 µg/m³	24h	15
2026-07-17	141	28–311	99.2 µg/m³	24h	14
2026-07-16	46	14–122	13.6 µg/m³	20h	14
2026-07-15	17	7–30	4.2 µg/m³	24h	15
2026-07-14	16	16–16	3.9 µg/m³	1h	16

Back to Opportunity Air Quality