What is the air quality trend in Noe Valley?

Over the past 14 days, Noe Valley had an average AQI of 50 based on station measurements. The worst day was 2026-10-09 with AQI 79.

How is Noe Valley air quality measured?

Air quality in Noe Valley 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 Noe Valley, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

313h

PM2.5 Station

313h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	23	8–55	4.7 µg/m³	5.4	6h	1
2026-10-19	38	3–73	10.1 µg/m³	13.8	23h	1
2026-10-18	52	17–107	14.4 µg/m³	20.2	23h	1
2026-10-17	56	20–82	16.0 µg/m³	17.3	24h	2
2026-10-16	55	19–85	15.1 µg/m³	16.3	24h	2
2026-10-15	53	27–91	14.4 µg/m³	17.3	24h	2
2026-10-14	46	9–106	12.3 µg/m³	14.8	24h	2
2026-10-13	48	17–87	12.8 µg/m³	16.9	24h	2
2026-10-12	42	15–75	10.6 µg/m³	14.4	24h	2
2026-10-11	54	27–152	15.0 µg/m³	19.4	24h	2
2026-10-10	54	9–92	15.2 µg/m³	20.1	24h	2
2026-10-09	79	56–123	25.4 µg/m³	27.3	24h	2
2026-10-08	46	4–146	13.2 µg/m³	14.6	24h	2
2026-10-07	57	17–81	15.8 µg/m³	16.7	21h	2

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