SmogRank / United Kingdom / England / Nottingham

Nottingham, month by month

Nottingham has a measured daily mean on 576 days since 1 January 2023. Its worst month was September 2023, at 59 US AQI (13.6 µg/m³), 233rd of 2,176 cities on that month's world ranking. Its cleanest was June 2025, at 32 US AQI (5.7 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 200)98 days measured
Jan52#1,117Feb51#1,589Mar55#1,401AprnoneMaynoneJunnoneJulnoneAugnoneSep1 dayOct28#2,145
2025too few days for a mean (a year needs 256)221 days measured
JannoneFebnoneMar2 daysApr53#1,174May42#1,456Jun32#2,219Jul32#2,378Aug38#2,217Sep20 daysOct46#797Nov11 daysDec42#1,994
2024too few days for a mean (a year needs 257)27 days measured
Jan53#882FebnoneMarnoneAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOctnoneNovnoneDecnone
2023too few days for a mean (a year needs 256)230 days measured
Jan55#368Feb3 daysMar11 daysApr55#294May17 daysJun18 daysJul19 daysAug46#937Sep59#233Oct16 daysNov55#389Dec53#672
Each square is a month's mean PM2.5 in US AQI from Nottingham's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Nottingham marked; each year, the year's. A dashed square is the running month, so far.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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

28 months
MonthWhy
Sep 20261 of 30 days measured; a month needs 21. The others: 29 with under 18 hours of readings or readings that failed our checks.
Aug 2026No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jul 2026No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jun 2026No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
May 2026No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 2026No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Nov 202511 of 30 days measured; a month needs 21. The others: 19 with under 18 hours of readings or readings that failed our checks.
Sep 202520 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks.
Mar 20252 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks.
Feb 2025No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks.
Jan 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Dec 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Oct 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Sep 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Aug 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jul 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jun 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
May 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Mar 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Feb 2024No day measured. The others: 1 missing from OpenAQ's archive, 28 with under 18 hours of readings or readings that failed our checks.
Oct 202316 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks.
Jul 202319 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 11 with under 18 hours of readings or readings that failed our checks.
Jun 202318 of 30 days measured; a month needs 21. The others: 12 with under 18 hours of readings or readings that failed our checks.
May 202317 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks.
Mar 202311 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive.
Feb 20233 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.

Nottingham's worst months

MonthUS AQIDays measuredWorld rankEpisode
September 2023 5913.6 µg/m³23 of 30233rdof 2,176United Kingdom, Belgium and 2 more countries, September 2023
January 2023 5511.5 µg/m³25 of 31368thof 1,261France, The Netherlands and United Kingdom, January 2023
April 2023 5511.4 µg/m³22 of 30294thof 1,622–
November 2023 5511.3 µg/m³29 of 30389thof 2,243–
March 2026 5511.1 µg/m³26 of 311,401stof 2,971Europe, 1 to 12 March 2026
December 2023 5310.1 µg/m³25 of 31672ndof 2,247–

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.

Nottingham's worst days

DayUS AQIEpisode
15 Feb 2023 11742.0 µg/m³Europe, 6 to 25 February 2023
14 Feb 2023 10738.0 µg/m³Europe, 6 to 25 February 2023
9 Mar 2026 9934.8 µg/m³Europe, 1 to 12 March 2026
9 Sept 2023 9633.0 µg/m³United Kingdom, Belgium and 2 more countries, September 2023
24 Jan 2023 9432.2 µg/m³France, The Netherlands and United Kingdom, January 2023
8 Sept 2023 9432.2 µg/m³United Kingdom, Belgium and 2 more countries, September 2023
25 Jan 2023 8929.4 µg/m³France, The Netherlands and United Kingdom, January 2023
3 Feb 2026 8828.8 µg/m³Europe, January and February 2026
5 Mar 2026 8527.5 µg/m³Europe, 1 to 12 March 2026
26 Jan 2026 8527.4 µg/m³Europe, January and February 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, Nottingham, United Kingdom, 1 Jan 2023 – 12 Oct 2026. Monitor data from UK-AIR (Defra), read from the publisher; sources listed at smogrank.com/sources. smogrank.com/gb/nottingham/history (accessed 12 Oct 2026).

Download chart (PNG)

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.

Nottingham now: the last 24 hours, its ranks today and the last 12 months day by day.

Updated 2026-10-12 23:07 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).