SmogRank / United Kingdom / England / Pickering

Pickering, month by month

Pickering has a measured daily mean on 684 days since 1 January 2023. Its worst month was January 2026, at 42 US AQI (7.5 µg/m³), 1,644th of 2,617 cities on that month's world ranking. Its cleanest was July 2024, at 17 US AQI (3.0 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 199)63 days measured
Jan42#1,644Feb15 daysMar20 daysAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOct4 days
2025too few days for a mean (a year needs 256)178 days measured
JannoneFebnoneMar2 daysApr37#2,106May29#2,212Jun23#2,378Jul23#2,754Aug21 daysSep12 daysOct16 daysNov9 daysDec20 days
2024too few days for a mean (a year needs 257)241 days measured
Jan21#2,280Feb21#2,352Mar21 daysApr17 daysMay19 daysJun21#2,407Jul17#2,528Aug29#1,862Sep34#1,440Oct27#1,801NovnoneDecnone
2023too few days for a mean (a year needs 256)202 days measured
Jan20 daysFeb3 daysMar10 daysApr36#1,132May17 daysJun15 daysJul15 daysAug18 daysSep31#1,881Oct16 daysNov21#2,154Dec19 days
Each square is a month's mean PM2.5 in US AQI from Pickering'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 Pickering marked; each year, the year's.
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

31 months
MonthWhy
Oct 20264 of 11 days measured; a month needs 8. The others: 2 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours), 4 with under 18 hours of readings or readings that failed our checks.
Sep 2026No day measured. The others: 30 with no readings from the monitor.
Aug 2026No day measured. The others: 31 with no readings from the monitor.
Jul 2026No day measured. The others: 31 with no readings from the monitor.
Jun 2026No day measured. The others: 30 with no readings from the monitor.
May 2026No day measured. The others: 31 with no readings from the monitor.
Apr 2026No day measured. The others: 30 with no readings from the monitor.
Mar 202620 of 31 days measured; a month needs 22. The others: 6 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours), 2 with readings left out by our checks.
Feb 202615 of 28 days measured; a month needs 20. The others: 4 with no readings from the monitor, 7 with readings for part of the day (a day needs 18 hours), 2 with readings left out by our checks.
Dec 202520 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours), 5 with readings left out by our checks.
Nov 20259 of 30 days measured; a month needs 21. The others: 18 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours).
Oct 202516 of 31 days measured; a month needs 22. The others: 6 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours), 4 with readings left out by our checks.
Sep 202512 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 15 with readings for part of the day (a day needs 18 hours), 2 with readings left out by our checks.
Aug 202521 of 31 days measured; a month needs 22. The others: 6 with readings for part of the day (a day needs 18 hours), 4 with readings left out by 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 no readings from the monitor.
Nov 2024No day measured. The others: 30 with no readings from the monitor.
May 202419 of 31 days measured; a month needs 22. The others: 9 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours).
Apr 202417 of 30 days measured; a month needs 21. The others: 9 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours), 2 with readings left out by our checks.
Mar 202421 of 31 days measured; a month needs 22. The others: 3 with no readings from the monitor, 7 with readings for part of the day (a day needs 18 hours).
Dec 202319 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours), 6 with readings left out by our checks.
Oct 202316 of 31 days measured; a month needs 22. The others: 3 with no readings from the monitor, 12 with readings for part of the day (a day needs 18 hours).
Aug 202318 of 31 days measured; a month needs 22. The others: 5 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours), 6 with readings left out by our checks.
Jul 202315 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitor, 9 with readings for part of the day (a day needs 18 hours), 4 with readings left out by our checks, 1 missing from OpenAQ's archive.
Jun 202315 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 12 with readings for part of the day (a day needs 18 hours), 2 with readings left out by our checks.
May 202317 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 12 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks.
Mar 202310 of 31 days measured; a month needs 22. The others: 1 with readings left out by our checks, 20 missing from OpenAQ's archive.
Feb 20233 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive.
Jan 202320 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks, 7 missing from OpenAQ's archive.

A day counts once 18 hours of it are measured; a month needs 70% of its days.

Pickering's worst months

MonthUS AQIDays measuredWorld rank
January 2026 427.5 µg/m³24 of 311,644thof 2,617
April 2025 376.7 µg/m³23 of 302,106thof 2,951
April 2023 366.5 µg/m³21 of 301,132ndof 1,622
September 2024 346.2 µg/m³22 of 301,440thof 2,010
September 2023 315.6 µg/m³21 of 301,881stof 2,176
May 2025 295.3 µg/m³24 of 312,212thof 2,826

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.

Pickering's worst days

DayUS AQIEpisode
15 Feb 2023 8225.8 µg/m³Europe, 6 to 25 February 2023
14 Feb 2023 7923.9 µg/m³Europe, 6 to 25 February 2023
5 Mar 2026 7320.8 µg/m³–
23 Jan 2023 7220.6 µg/m³–
25 Jan 2026 7120.0 µg/m³–
24 Jan 2023 7119.8 µg/m³–
26 Jan 2026 6818.4 µg/m³–
11 Mar 2024 6818.3 µg/m³–
10 Apr 2023 6516.7 µg/m³–
23 Jan 2026 6516.6 µg/m³–

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, Pickering, United Kingdom, 1 Jan 2023 – 11 Oct 2026. Monitor data from UK-AIR (Defra), read from the publisher; sources listed at smogrank.com/sources. smogrank.com/gb/pickering/history (accessed 12 Oct 2026).

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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.

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

Updated 2026-10-12 17:07 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).