SmogRank / Anaheim / Huntington Beach

Anaheim vs Huntington Beach: PM2.5 compared

Over the last year, Anaheim and Huntington Beach had about the same air: PM2.5 averaged 11.0 and 10.8 µg/m³, on the 311 days both cities were measured. Anaheim had the dirtier air on 198 of those days, Huntington Beach on 111. Anaheim was over the WHO's daily guideline of 15 µg/m³ on 39 of them, Huntington Beach on 66.

Right now

Anaheim#666on the 24-hour board of 2,753, at 53 US AQI (10.4 µg/m³)
Huntington Beach#923on the 24-hour board of 2,753, at 49 US AQI (8.9 µg/m³)

The last year, day by day

Anaheim
Huntington Beach
Each city's daily mean from 9 Oct 2025 to 8 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Anaheim, Nov 2025: 13.4 µg/m³Huntington Beach, Nov 2025: 23.2 µg/m³Nov2025Anaheim, Dec 2025: 17.6 µg/m³Huntington Beach, Dec 2025: 26.2 µg/m³DecAnaheim, Jan 2026: 10.3 µg/m³Huntington Beach, Jan 2026: 14.5 µg/m³Jan2026Anaheim, Feb 2026: 10.4 µg/m³Huntington Beach, Feb 2026: 10.0 µg/m³FebAnaheim, Mar 2026: 11.2 µg/m³Huntington Beach, Mar 2026: 11.7 µg/m³MarAnaheim, Apr 2026: 7.7 µg/m³Huntington Beach, Apr 2026: 2.4 µg/m³AprAnaheim, May 2026: 10.6 µg/m³Huntington Beach, May 2026: 9.8 µg/m³MayAnaheim, Jun 2026: 8.8 µg/m³Huntington Beach, Jun 2026: 6.1 µg/m³JunAnaheim, Jul 2026: 13.2 µg/m³Huntington Beach, Jul 2026: 7.6 µg/m³JulAnaheim, Aug 2026: 10.8 µg/m³Huntington Beach, Aug 2026: 8.9 µg/m³AugAnaheim, Sep 2026: 8.5 µg/m³Huntington Beach, Sep 2026: 6.0 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Anaheim. Faded: Huntington Beach. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearAnaheimHuntington BeachDays both measuredDays Anaheim was worse
2026 so far5348271194
20256582404

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

Anaheim

Huntington Beach

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

Anaheim

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

Huntington Beach

Side by side with 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, Anaheim and Huntington Beach, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/us-anaheim/us-huntington-beach (accessed 9 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 2026-10-09 12:07 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); Love My Air (City and County of Denver), no reuse terms published (why we use them).