SmogRank / United States / California / Salinas
Salinas, month by month
Salinas has a measured daily mean on 1,326 days since 1 January 2023. Its worst month was September 2023, at 58 US AQI (12.9 µg/m³), 262nd of 2,176 cities on that month's world ranking. Its cleanest was February 2024, at 21 US AQI (3.7 µg/m³). 2025 averaged 33 US AQI (5.9 µg/m³), against 34 US AQI (6.1 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
Salinas's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| September 2023 | 5812.9 µg/m³ | 262ndof 2,176 | California and Oregon, United States, September 2023 |
| August 2023 | 5310.3 µg/m³ | 573rdof 1,980 | – |
| June 2024 | 498.8 µg/m³ | 1,002ndof 2,563 | – |
| March 2026 | 498.8 µg/m³ | 1,927thof 2,971 | – |
| July 2023 | 478.4 µg/m³ | 817thof 1,432 | – |
| May 2024 | 478.4 µg/m³ | 1,163rdof 2,684 | – |
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.
Salinas's worst days
| Day | US AQI | Episode |
|---|---|---|
| 20 Sept 2023 | 12143.6 µg/m³ | California and Oregon, United States, September 2023 |
| 21 Sept 2023 | 9934.6 µg/m³ | California and Oregon, United States, September 2023 |
| 22 Sept 2023 | 8829.0 µg/m³ | California and Oregon, United States, September 2023 |
| 23 Sept 2023 | 8326.5 µg/m³ | California and Oregon, United States, September 2023 |
| 19 Sept 2023 | 8125.4 µg/m³ | California and Oregon, United States, September 2023 |
| 30 Aug 2023 | 7421.7 µg/m³ | – |
| 27 Aug 2023 | 7320.8 µg/m³ | – |
| 24 Sept 2023 | 6918.9 µg/m³ | California and Oregon, United States, September 2023 |
| 10 May 2024 | 6818.3 µg/m³ | – |
| 9 Feb 2023 | 6818.0 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, Salinas, United States, 1 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/salinas/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.
Salinas now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).