SmogRank / United Kingdom / England / High Peak
High Peak, month by month
High Peak has a measured daily mean on 398 days since 28 June 2024. Its worst month was March 2026, at 51 US AQI (9.1 µg/m³), 1,860th of 2,971 cities on that month's world ranking. Its cleanest was July 2024, at 19 US AQI (3.4 µg/m³).
Every month since 2024
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Months without a mean, and why
14 months
| Month | Why |
|---|---|
| Sep 2026 | 1 of 30 days measured; a month needs 21. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Aug 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jul 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Apr 2026 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 10 of 30 days measured; a month needs 21. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Mar 2025 | 2 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2024 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Nov 2024 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 7 of 31 days measured; a month needs 22. The others: 24 with under 18 hours of readings or readings that failed our checks. |
| Jun 2024 | 3 of 30 days measured; a month needs 21. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
High Peak's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| March 2026 | 519.1 µg/m³ | 1,860thof 2,971 | Europe, 1 to 12 March 2026 |
| April 2025 | 468.3 µg/m³ | 1,685thof 2,951 | – |
| September 2024 | 407.2 µg/m³ | 1,100thof 2,010 | – |
| May 2025 | 366.4 µg/m³ | 1,795thof 2,826 | – |
| October 2025 | 366.4 µg/m³ | 1,405thof 2,614 | – |
| August 2024 | 336.0 µg/m³ | 1,752ndof 2,010 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
High Peak's worst days
| Day | US AQI | Episode |
|---|---|---|
| 5 Mar 2026 | 8427.0 µg/m³ | Europe, 1 to 12 March 2026 |
| 21 Mar 2026 | 7924.3 µg/m³ | – |
| 18 Oct 2025 | 7522.2 µg/m³ | – |
| 21 Sept 2024 | 7321.0 µg/m³ | – |
| 7 Sept 2024 | 7119.9 µg/m³ | – |
| 22 Sept 2024 | 6918.7 µg/m³ | – |
| 4 Apr 2025 | 6918.5 µg/m³ | – |
| 9 Mar 2026 | 6818.2 µg/m³ | Europe, 1 to 12 March 2026 |
| 26 Jan 2026 | 6416.3 µg/m³ | – |
| 20 Mar 2026 | 6416.0 µg/m³ | – |
Daily means, the highest since 28 Jun 2024; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, High Peak, United Kingdom, 28 Jun 2024 – 11 Oct 2026. Monitor data from UK-AIR (Defra), read from the publisher; sources listed at smogrank.com/sources. smogrank.com/gb/high-peak/history (accessed 12 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.
High Peak now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). 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).