SmogRank / United States / Nebraska / Bellevue
Bellevue, month by month
Bellevue, Nebraska has a measured daily mean on 1,281 days since 1 January 2023. Its worst month was October 2024, at 58 US AQI (12.6 µg/m³), 354th of 2,020 cities on that month's world ranking. Its cleanest was June 2026, at 22 US AQI (3.9 µg/m³). 2025 averaged 38 US AQI (6.9 µg/m³), against 43 US AQI (7.7 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
2 months
| Month | Why |
|---|---|
| Jul 2024 | 6 of 31 days measured; a month needs 22. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| Jun 2024 | 13 of 30 days measured; a month needs 21. The others: 17 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.
Bellevue's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| October 2024 | 5812.6 µg/m³ | 354thof 2,020 | – |
| September 2023 | 5712.2 µg/m³ | 314thof 2,176 | Northern United States, September 2023 Northern United States and Canada, August and September 2023 |
| June 2023 | 5310.3 µg/m³ | 746thof 1,603 | – |
| January 2023 | 5310.2 µg/m³ | 461stof 1,261 | – |
| July 2023 | 5310.0 µg/m³ | 663rdof 1,432 | United States and Canada, July 2023 |
| February 2025 | 5310.0 µg/m³ | 1,186thof 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.
Bellevue's worst days
| Day | US AQI | Episode |
|---|---|---|
| 6 Sept 2023 | 15256.4 µg/m³ | Northern United States and Canada, August and September 2023 |
| 5 Jul 2026 | 14051.5 µg/m³ | Northern United States, July 2026 |
| 1 Aug 2025 | 13549.5 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 4 Jul 2026 | 13147.6 µg/m³ | Northern United States, July 2026 |
| 7 Sept 2023 | 11239.9 µg/m³ | Northern United States and Canada, August and September 2023 |
| 17 Sept 2023 | 10135.5 µg/m³ | Northern United States, September 2023 |
| 11 Apr 2024 | 9733.9 µg/m³ | – |
| 21 Jan 2023 | 9432.1 µg/m³ | – |
| 15 Jul 2023 | 9130.6 µg/m³ | United States and Canada, July 2023 |
| 16 Jul 2023 | 8929.3 µg/m³ | United States and Canada, July 2023 |
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, Bellevue, Nebraska, United States, 1 Jan 2023 – 12 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/bellevue-nebraska/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.
Bellevue now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 05:07 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).