SmogRank / United States / Nevada / Spanish Springs
Spanish Springs, month by month
Spanish Springs has a measured daily mean on 1,320 days since 1 January 2023. Its worst month was December 2024, at 51 US AQI (9.1 µg/m³), 1,050th of 2,616 cities on that month's world ranking. Its cleanest was March 2024, at 14 US AQI (2.5 µg/m³). 2025 averaged 31 US AQI (5.6 µg/m³), against 31 US AQI (5.6 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
1 month
| Month | Why |
|---|---|
| Dec 2025 | 12 of 31 days measured; a month needs 22. The others: 19 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.
Spanish Springs's worst months
| Month | US AQI | World rank |
|---|---|---|
| December 2024 | 519.1 µg/m³ | 1,050thof 2,616 |
| January 2025 | 498.8 µg/m³ | 1,220thof 2,474 |
| November 2024 | 478.4 µg/m³ | 1,230thof 2,624 |
| January 2023 | 448.0 µg/m³ | 706thof 1,261 |
| August 2024 | 427.5 µg/m³ | 1,399thof 2,010 |
| February 2025 | 417.3 µg/m³ | 1,752ndof 2,633 |
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.
Spanish Springs's worst days
| Day | US AQI |
|---|---|
| 31 Jul 2024 | 7622.5 µg/m³ |
| 1 Aug 2024 | 7321.1 µg/m³ |
| 30 Aug 2023 | 6818.0 µg/m³ |
| 3 Jan 2023 | 6717.8 µg/m³ |
| 12 Aug 2024 | 6617.4 µg/m³ |
| 5 Aug 2026 | 6416.1 µg/m³ |
| 2 Feb 2023 | 6315.3 µg/m³ |
| 13 Jul 2026 | 6315.3 µg/m³ |
| 14 Jul 2025 | 6215.2 µg/m³ |
| 11 Aug 2026 | 6114.7 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, Spanish Springs, 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/spanish-springs/history (accessed 13 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.
Spanish Springs now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 02:07 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).