SmogRank / United States / Nevada / Gardnerville Ranchos
Gardnerville Ranchos, month by month
Gardnerville Ranchos has a measured daily mean on 1,101 days since 1 January 2023. Its worst month was January 2026, at 53 US AQI (10.2 µg/m³), 1,074th of 2,617 cities on that month's world ranking. Its cleanest was April 2026, at 18 US AQI (3.3 µg/m³). 2025 averaged 28 US AQI (5.0 µg/m³), against 28 US AQI (5.0 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
11 months
| Month | Why |
|---|---|
| Aug 2026 | 19 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitor, 10 with readings for part of the day (a day needs 18 hours). |
| Jul 2026 | 19 of 31 days measured; a month needs 22. The others: 5 with no readings from the monitor, 6 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks. |
| Jun 2026 | 20 of 30 days measured; a month needs 21. The others: 3 with no readings from the monitor, 7 with readings for part of the day (a day needs 18 hours). |
| Feb 2026 | 17 of 28 days measured; a month needs 20. The others: 2 with no readings from the monitor, 9 with readings for part of the day (a day needs 18 hours). |
| Nov 2025 | 18 of 30 days measured; a month needs 21. The others: 6 with no readings from the monitor, 6 with readings for part of the day (a day needs 18 hours). |
| Aug 2025 | 20 of 31 days measured; a month needs 22. The others: 8 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours). |
| Jun 2025 | 15 of 30 days measured; a month needs 21. The others: 13 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| May 2025 | 13 of 31 days measured; a month needs 22. The others: 13 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours). |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 1 of 28 days measured; a month needs 20. The others: 2 with readings for part of the day (a day needs 18 hours), 25 missing from OpenAQ's archive. |
| Jan 2023 | 19 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), 6 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Gardnerville Ranchos's worst months
| Month | US AQI | World rank |
|---|---|---|
| January 2026 | 5310.2 µg/m³ | 1,074thof 2,617 |
| December 2023 | 529.8 µg/m³ | 750thof 2,247 |
| January 2025 | 509.0 µg/m³ | 1,177thof 2,474 |
| December 2024 | 488.7 µg/m³ | 1,157thof 2,616 |
| October 2023 | 448.0 µg/m³ | 764thof 2,012 |
| November 2024 | 427.6 µg/m³ | 1,483rdof 2,624 |
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.
Gardnerville Ranchos's worst days
| Day | US AQI |
|---|---|
| 8 Jan 2024 | 7622.5 µg/m³ |
| 10 Dec 2023 | 7320.9 µg/m³ |
| 20 Jan 2023 | 7220.5 µg/m³ |
| 8 Oct 2023 | 7220.5 µg/m³ |
| 16 Oct 2023 | 6918.9 µg/m³ |
| 14 Oct 2023 | 6918.8 µg/m³ |
| 20 Dec 2024 | 6918.7 µg/m³ |
| 26 Nov 2023 | 6918.6 µg/m³ |
| 25 Jan 2023 | 6818.0 µg/m³ |
| 24 Jan 2023 | 6717.5 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, Gardnerville Ranchos, 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/gardnerville-ranchos/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.
Gardnerville Ranchos now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 03:07 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).