SmogRank / United Kingdom / England / Bexley
Bexley, month by month
Bexley has a measured daily mean on 1,141 days since 1 January 2023. Its worst month was March 2025, at 70 US AQI (19.4 µg/m³), 610th of 2,862 cities on that month's world ranking. Its cleanest was July 2024, at 27 US AQI (4.9 µg/m³). 2025 averaged 52 US AQI (9.9 µg/m³), against 43 US AQI (7.7 µg/m³) in 2024.
Every month since 2023
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
10 months
| Month | Why |
|---|---|
| Oct 2026 | 5 of 11 days measured; a month needs 8. The others: 6 with readings for part of the day (a day needs 18 hours). |
| Sep 2026 | No day measured. The others: 30 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jul 2026 | 12 of 31 days measured; a month needs 22. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | 19 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | 19 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Apr 2026 | 13 of 30 days measured; a month needs 21. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | 13 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 9 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive, 2 with under 18 hours of readings or readings that failed our checks. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Bexley's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| March 2025 | 7019.4 µg/m³ | 610thof 2,862 | Europe, March 2025 Germany, Poland and 25 more countries, March 2025and 1 more |
| February 2025 | 6617.0 µg/m³ | 758thof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| March 2026 | 5913.4 µg/m³ | 1,019thof 2,971 | Europe, 18 to 25 March 2026 Europe, 1 to 12 March 2026 |
| April 2025 | 5813.0 µg/m³ | 659thof 2,951 | United Kingdom, Belgium and 2 more countries, April 2025 United Kingdom and France, April 2025 |
| November 2024 | 5812.8 µg/m³ | 518thof 2,624 | Europe, November 2024 |
| January 2025 | 5812.8 µg/m³ | 636thof 2,474 | Germany, France and 19 more countries, January 2025 Western Europe, January 2025 |
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.
Bexley's worst days
| Day | US AQI | Episode |
|---|---|---|
| 10 Mar 2025 | 16170.0 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 9 Mar 2025 | 12746.1 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 11 Jan 2025 | 12244.1 µg/m³ | Western Europe, January 2025 |
| 10 Feb 2025 | 11641.4 µg/m³ | Europe, 1 to 14 February 2025 |
| 24 Mar 2025 | 11541.0 µg/m³ | Europe, March 2025 |
| 10 Sept 2023 | 10938.9 µg/m³ | United Kingdom, Belgium and 2 more countries, September 2023 |
| 15 Feb 2023 | 10738.0 µg/m³ | Europe, 6 to 25 February 2023 |
| 12 Jun 2023 | 10537.1 µg/m³ | United Kingdom, Belgium and 2 more countries, June 2023 |
| 5 Mar 2025 | 10336.5 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 23 Mar 2026 | 10235.8 µg/m³ | Europe, 18 to 25 March 2026 |
Daily means, the highest since 1 Jan 2023; 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, Bexley, United Kingdom, 1 Jan 2023 – 11 Oct 2026. Monitor data from London Air Quality Network via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/gb/bexley/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.
Bexley 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).