SmogRank / Picnic Point-North Lynnwood / Shoreline

Picnic Point-North Lynnwood vs Shoreline: PM2.5 compared

Over the last year, Picnic Point-North Lynnwood's air was 10% more polluted than Shoreline's: PM2.5 averaged 5.7 µg/m³ against 5.2, on the 348 days both cities were measured. Picnic Point-North Lynnwood had the dirtier air on 197 of those days, Shoreline on 142. Picnic Point-North Lynnwood was over the WHO's daily guideline of 15 µg/m³ on 6 of them, Shoreline on 9.

Right now

Picnic Point-North Lynnwood#2,351on the 24-hour board of 2,547, at 14 US AQI (2.5 µg/m³)
Shoreline#2,229on the 24-hour board of 2,547, at 17 US AQI (3.0 µg/m³)

The last year, day by day

Picnic Point-North Lynnwood
Shoreline
Each city's daily mean from 10 Oct 2025 to 9 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Picnic Point-North Lynnwood, Nov 2025: 6.6 µg/m³Shoreline, Nov 2025: 5.6 µg/m³Nov2025Picnic Point-North Lynnwood, Dec 2025: 5.6 µg/m³Shoreline, Dec 2025: 5.4 µg/m³DecPicnic Point-North Lynnwood, Jan 2026: 7.8 µg/m³Shoreline, Jan 2026: 7.6 µg/m³Jan2026Picnic Point-North Lynnwood, Feb 2026: 6.3 µg/m³Shoreline, Feb 2026: 4.5 µg/m³FebPicnic Point-North Lynnwood, Mar 2026: 5.8 µg/m³Shoreline, Mar 2026: 3.4 µg/m³MarPicnic Point-North Lynnwood, Apr 2026: 6.9 µg/m³Shoreline, Apr 2026: 4.4 µg/m³AprPicnic Point-North Lynnwood, May 2026: 5.6 µg/m³Shoreline, May 2026: 4.4 µg/m³MayPicnic Point-North Lynnwood, Jun 2026: 3.2 µg/m³Shoreline, Jun 2026: 3.6 µg/m³JunPicnic Point-North Lynnwood, Jul 2026: 2.7 µg/m³Shoreline, Jul 2026: 4.7 µg/m³JulPicnic Point-North Lynnwood, Aug 2026: 6.2 µg/m³Shoreline, Aug 2026: 8.2 µg/m³AugPicnic Point-North Lynnwood, Sep 2026: 3.8 µg/m³Shoreline, Sep 2026: 4.9 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Picnic Point-North Lynnwood. Faded: Shoreline. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearPicnic Point-North LynnwoodShorelineDays both measuredDays Picnic Point-North Lynnwood was worse
2026 so far3028272140
20253429351262
2024293414436

Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.

Each city's worst days

Picnic Point-North Lynnwood

Shoreline

Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.

Compare either city with another

Picnic Point-North Lynnwood

Side by side with Mecca (United States's worst on 30 days), Gujranwala (the world's worst on 30 days).

Shoreline

Side by side with Bothell (the nearest), Mecca (United States's worst on 30 days), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Picnic Point-North Lynnwood and Shoreline, 10 Oct 2025 – 9 Oct 2026, smogrank.com/compare/us-picnic-point-north-lynnwood/us-shoreline (accessed 11 Oct 2026).

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.

Updated 2026-10-11 05:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).