What is the air quality trend in North Valley Stream?

Over the past 15 days, North Valley Stream had an average AQI of 27 based on station measurements. The worst day was 2026-05-19 with AQI 48.

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 CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	16	11–20	3.8 µg/m³	2.0	4h	5
2026-05-29	22	14–52	5.2 µg/m³	1.5	24h	13
2026-05-28	23	11–38	5.4 µg/m³	7.0	24h	13
2026-05-27	27	18–35	6.5 µg/m³	5.1	24h	14
2026-05-26	24	18–32	5.8 µg/m³	5.4	24h	12
2026-05-25	32	16–130	8.4 µg/m³	16.9	24h	11
2026-05-24	32	10–250	13.4 µg/m³	1.8	24h	11
2026-05-23	19	12–29	4.5 µg/m³	1.2	24h	11
2026-05-22	18	13–25	4.4 µg/m³	7.4	24h	13
2026-05-21	20	14–27	4.8 µg/m³	3.5	24h	12
2026-05-20	31	20–44	7.4 µg/m³	6.1	24h	14
2026-05-19	48	29–59	11.8 µg/m³	17.5	24h	14
2026-05-18	44	32–52	10.7 µg/m³	12.4	24h	15
2026-05-17	34	20–42	8.2 µg/m³	4.8	24h	13
2026-05-16	26	18–48	6.2 µg/m³	2.6	19h	10

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