What is the air quality trend in North Valley Stream?

Over the past 15 days, North Valley Stream had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 137.

How is North Valley Stream air quality measured?

Air quality in North Valley Stream 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 North Valley Stream, United States

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

Historical PM2.5 and AQI trend from monitoring stations near North Valley Stream, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	40	20–71	10.6 µg/m³	5h	5
2026-07-21	59	38–80	16.2 µg/m³	24h	7
2026-07-20	58	26–96	16.8 µg/m³	24h	7
2026-07-19	71	41–114	21.9 µg/m³	24h	7
2026-07-18	114	68–160	41.1 µg/m³	24h	7
2026-07-17	137	62–177	56.7 µg/m³	24h	7
2026-07-16	105	63–183	41.2 µg/m³	24h	7
2026-07-15	81	28–171	27.8 µg/m³	24h	6
2026-07-14	60	29–109	17.7 µg/m³	24h	5
2026-07-13	40	22–76	10.4 µg/m³	24h	5
2026-07-12	35	20–52	8.3 µg/m³	24h	6
2026-07-11	36	28–51	8.5 µg/m³	24h	6
2026-07-10	31	20–43	7.5 µg/m³	24h	7
2026-07-09	32	21–56	7.6 µg/m³	24h	6
2026-07-08	29	18–48	7.0 µg/m³	18h	5

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