SmogRank / Romania / Brașov County / Codlea
Codlea, month by month
Codlea has a measured daily mean on 751 days since 11 January 2023. Its worst month was January 2025, at 147 US AQI (54.3 µg/m³), 25th of 2,474 cities on that month's world ranking. Its cleanest was May 2024, at 29 US AQI (5.3 µg/m³).
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
23 months
| Month | Why |
|---|---|
| Oct 2026 | 7 of 11 days measured; a month needs 8. The others: 4 with readings for part of the day (a day needs 18 hours). |
| Jun 2026 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Dec 2025 | 16 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 9 of 30 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks. |
| Oct 2025 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 17 of 30 days measured; a month needs 21. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 13 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Sep 2024 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Aug 2024 | 14 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Jan 2024 | 2 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Dec 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Nov 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Oct 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Sep 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Aug 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 3 of 30 days measured; a month needs 21. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Feb 2023 | 11 of 28 days measured; a month needs 20. The others: 14 missing from OpenAQ's archive, 3 with under 18 hours of readings or readings that failed our checks. |
| Jan 2023 | 7 of 31 days measured; a month needs 22. The others: 14 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.
Codlea's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2025 | 14754.3 µg/m³ | 25thof 2,474 | Romania, Bulgaria and Serbia, January 2025 Germany, France and 19 more countries, January 2025and 1 more |
| February 2025 | 11139.7 µg/m³ | 101stof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| November 2024 | 10436.7 µg/m³ | 48thof 2,624 | Eastern Europe, 25 to 29 November 2024 Southern Europe, November 2024and 2 more |
| January 2026 | 10135.7 µg/m³ | 117thof 2,617 | Europe, January and February 2026 |
| December 2024 | 9432.0 µg/m³ | 83rdof 2,616 | Serbia, Slovenia and 10 more countries, December 2024 |
| February 2026 | 7320.7 µg/m³ | 528thof 2,866 | Europe, January and February 2026 |
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.
Codlea's worst days
| Day | US AQI | Episode |
|---|---|---|
| 21 Jan 2025 | 192114.0 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 7 Jan 2025 | 191112.0 µg/m³ | Eastern Europe, January 2025 |
| 20 Jan 2026 | 188108.0 µg/m³ | Europe, January and February 2026 |
| 21 Jan 2026 | 188108.0 µg/m³ | Europe, January and February 2026 |
| 24 Feb 2025 | 18198.5 µg/m³ | Europe, 14 February to 1 March 2025 |
| 17 Dec 2025 | 17995.9 µg/m³ | Eastern Europe, 16 to 21 December 2025 |
| 15 Jan 2025 | 17894.0 µg/m³ | Germany, France and 19 more countries, January 2025 |
| 18 Nov 2024 | 17184.6 µg/m³ | Southern Europe, November 2024 |
| 16 Dec 2025 | 16880.4 µg/m³ | Eastern Europe, 16 to 21 December 2025 |
| 20 Jan 2025 | 16879.5 µg/m³ | Germany, France and 19 more countries, January 2025 |
Daily means, the highest since 11 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, Codlea, Romania, 11 Jan 2023 – 10 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/ro/codlea/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.
Codlea now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 17:07 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).