Honiton vs Newton Abbot: PM2.5 compared

Over the last year, Honiton's air was 22% more polluted than Newton Abbot's: PM2.5 averaged 6.6 µg/m³ against 5.4, on the 106 days both cities were measured. Honiton had the dirtier air on 97 of those days, Newton Abbot on 8. Honiton was over the WHO's daily guideline of 15 µg/m³ on 8 of them, Newton Abbot on 5.

Right now

Honiton#599on the 24-hour board of 738, at 16 US AQI (2.9 µg/m³)

Newton Abbot#613on the 24-hour board of 738, at 16 US AQI (2.8 µg/m³)

The last year, day by day

Honiton

Newton Abbot

Each city's daily mean from 8 Oct 2025 to 7 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Monthly means in µg/m³ over the days both cities were measured. Solid: Honiton. Faded: Newton Abbot. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

Year	Honiton	Newton Abbot	Days both measured	Days Honiton was worse
2026 so far	39	32	65	56
2025	35	29	176	162
2024	32	26	223	205
2023	36	29	189	177

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

Honiton

9 Mar 20268929.3 µg/m³
5 Mar 20268024.6 µg/m³
21 Mar 20267823.8 µg/m³

Newton Abbot

5 Mar 20268527.3 µg/m³
21 Mar 20268125.0 µg/m³
9 Mar 20267521.8 µg/m³

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

Honiton

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

Newton Abbot

Side by side with Plymouth (the nearest), London (United Kingdom's worst on 30 days), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Honiton and Newton Abbot, 8 Oct 2025 – 7 Oct 2026, smogrank.com/compare/gb-honiton/gb-newton-abbot (accessed 8 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 2026-10-08 20:07 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).