What is the air quality trend in Sterling?

Over the past 15 days, Sterling had an average AQI of 52 based on station measurements. The worst day was 2026-07-17 with AQI 160.

How is Sterling air quality measured?

Air quality in Sterling 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 Sterling, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

218h

PM2.5 Station

218h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	44	44–44	10.6 µg/m³	1h	1
2026-07-21	50	16–81	13.6 µg/m³	11h	1
2026-07-20	60	5–113	18.4 µg/m³	13h	1
2026-07-19	44	12–80	11.7 µg/m³	17h	1
2026-07-18	65	19–159	23.0 µg/m³	13h	1
2026-07-17	160	10–298	113.1 µg/m³	18h	1
2026-07-16	47	5–147	13.6 µg/m³	16h	1
2026-07-15	70	9–351	38.5 µg/m³	19h	1
2026-07-14	30	1–51	7.1 µg/m³	19h	2
2026-07-13	32	11–66	7.9 µg/m³	17h	1
2026-07-12	64	2–406	33.8 µg/m³	16h	1
2026-07-11	35	18–55	8.5 µg/m³	19h	1
2026-07-10	32	5–46	7.6 µg/m³	12h	1
2026-07-09	30	3–50	7.2 µg/m³	16h	1
2026-07-08	30	7–51	7.1 µg/m³	11h	1

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