SmogRank / United States / Rhode Island / Pawtucket

Pawtucket, month by month

Pawtucket has a measured daily mean on 1,097 days since 11 January 2023. Its worst month was January 2025, at 53 US AQI (10.2 µg/m³), 960th of 2,474 cities on that month's world ranking. Its cleanest was May 2026, at 17 US AQI (3.1 µg/m³). 2025 averaged 37 US AQI (6.7 µg/m³), against 31 US AQI (5.6 µg/m³) in 2024.

Every month since 2023

202629 so far256 days measured2,608th of 2,791 in the world
Jan39#1,786Feb47#1,829Mar19 daysApr22#2,713May17#2,803Jun19#2,385Jul34#2,374Aug32#2,536Sep29#2,221Oct36#1,546
202537 for the year333 days measured2,185th of 2,681 in the world
Jan53#960Feb46#1,526Mar33#2,282Apr32#2,364May25#2,464Jun48#1,676Jul43#1,850Aug40#2,101Sep28#2,552Oct27#2,088Nov34#2,121Dec21 days
202431 for the year311 days measured1,862nd of 2,097 in the world
Jan29#2,027Feb27#2,173Mar17#1,618Apr18#2,373May18#2,555Jun35#1,941Jul43#1,459Aug7 daysSep27#1,795Oct38#1,156Nov19 daysDec49#1,099
2023too few days for a mean (a year needs 256)197 days measured
Jan7 daysFeb47#772Mar20 daysApr3 daysMaynoneJun9 daysJul51#729Aug41#1,177Sep7 daysOct20 daysNov52#717Dec40#1,497
Each square is a month's mean PM2.5 in US AQI from Pawtucket'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 Pawtucket 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

11 months
MonthWhy
Mar 202619 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks.
Dec 202521 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks.
Nov 202419 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks.
Aug 20247 of 31 days measured; a month needs 22. The others: 24 with under 18 hours of readings or readings that failed our checks.
Oct 202320 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks.
Sep 20237 of 30 days measured; a month needs 21. The others: 23 with under 18 hours of readings or readings that failed our checks.
Jun 20239 of 30 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks.
May 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 20233 of 30 days measured; a month needs 21. The others: 27 with under 18 hours of readings or readings that failed our checks.
Mar 202320 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks.
Jan 20237 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks.

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

Pawtucket's worst months

MonthUS AQIDays measuredWorld rankEpisode
January 2025 5310.2 µg/m³22 of 31960thof 2,474–
November 2023 529.6 µg/m³29 of 30717thof 2,243–
July 2023 519.3 µg/m³29 of 31729thof 1,432Eastern United States and Canada, June and July 2023
December 2024 498.9 µg/m³31 of 311,099thof 2,616–
June 2025 488.7 µg/m³30 of 301,676thof 2,508–
February 2023 478.5 µg/m³25 of 28772ndof 1,129–

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.

Pawtucket's worst days

DayUS AQIEpisode
1 Jul 2023 12344.4 µg/m³Eastern United States and Canada, June and July 2023
18 Jul 2026 9432.1 µg/m³Northern United States and Canada, July 2026
18 Feb 2026 8225.9 µg/m³North-eastern United States and Canada, 14 to 19 February 2026
30 Jun 2023 8125.2 µg/m³Eastern United States and Canada, June and July 2023
2 Jul 2023 7924.0 µg/m³Eastern United States and Canada, June and July 2023
5 Aug 2025 7723.0 µg/m³–
15 Jul 2026 7622.3 µg/m³Northern United States and Canada, July 2026
26 Jul 2025 7421.6 µg/m³–
5 Jul 2025 7220.2 µg/m³–
28 Jul 2024 7120.0 µg/m³–

Daily means, the highest since 11 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, Pawtucket, United States, 11 Jan 2023 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/pawtucket/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.

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

Updated 2026-10-12 18:07 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).