SmogRank / Romania / Brașov County / Braşov
Braşov, month by month
Braşov has a measured daily mean on 268 days since 19 December 2025. Its worst month was January 2026, at 74 US AQI (21.2 µg/m³), 371st of 2,617 cities on that month's world ranking. Its cleanest was May 2026, at 41 US AQI (7.3 µg/m³).
Every month since 2025
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 | 13 of 31 days measured; a month needs 22. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Braşov's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 7421.2 µg/m³ | 371stof 2,617 | Europe, January and February 2026 Eastern Europe, January 2026 |
| February 2026 | 6114.3 µg/m³ | 825thof 2,866 | Europe, January and February 2026 |
| March 2026 | 6013.9 µg/m³ | 956thof 2,971 | Europe, 1 to 12 March 2026 |
| August 2026 | 529.8 µg/m³ | 938thof 2,896 | – |
| April 2026 | 509.0 µg/m³ | 1,208thof 2,941 | – |
| June 2026 | 488.7 µg/m³ | 887thof 2,497 | – |
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.
Braşov's worst days
| Day | US AQI | Episode |
|---|---|---|
| 21 Jan 2026 | 14754.2 µg/m³ | Europe, January and February 2026 |
| 10 Jan 2026 | 11239.9 µg/m³ | Eastern Europe, January 2026 |
| 20 Jan 2026 | 10236.1 µg/m³ | Europe, January and February 2026 |
| 23 Jan 2026 | 10135.7 µg/m³ | Europe, January and February 2026 |
| 19 Dec 2025 | 9834.3 µg/m³ | – |
| 25 Jan 2026 | 9532.8 µg/m³ | Europe, January and February 2026 |
| 20 Dec 2025 | 9432.2 µg/m³ | – |
| 24 Jan 2026 | 9030.3 µg/m³ | Europe, January and February 2026 |
| 23 Dec 2025 | 9029.8 µg/m³ | – |
| 22 Jan 2026 | 8929.6 µg/m³ | Europe, January and February 2026 |
Daily means, the highest since 19 Dec 2025; 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, Braşov, Romania, 19 Dec 2025 – 10 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/ro/brasov/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.
Braşov now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 19:07 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).