SmogRank / Croatia / Zadar / Biograd na Moru

Biograd na Moru, month by month

Biograd na Moru has a measured daily mean on 153 days since 29 January 2024. Its worst month was February 2025, at 49 US AQI (8.8 µg/m³), 1,385th of 2,633 cities on that month's world ranking. Its cleanest was December 2024, at 30 US AQI (5.4 µg/m³).

Every month since 2024

2026too few days for a mean (a year needs 200)14 days measured
Jan4 daysFebnoneMarnoneAprnoneMay2 daysJun2 daysJulnoneAugnoneSep1 dayOct5 days
2025too few days for a mean (a year needs 256)49 days measured
Jan20 daysFeb49#1,385Mar7 daysAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOctnoneNovnoneDecnone
2024too few days for a mean (a year needs 257)90 days measured
Jan3 daysFeb14 daysMarnoneApr10 daysMay18 daysJunnoneJulnoneAugnoneSepnoneOctnoneNov38#1,755Dec30#2,213
Each square is a month's mean PM2.5 in US AQI from Biograd na Moru's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Biograd na Moru marked; each year, the year's.
Good0–50
Moderate51–100
Unhealthy for sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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

31 months
MonthWhy
Oct 20265 of 12 days measured; a month needs 9. The others: 2 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours), 1 with under 18 hours of readings or readings that failed our checks.
Sep 20261 of 30 days measured; a month needs 21. The others: 29 with readings for part of the day (a day needs 18 hours).
Aug 2026No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jul 2026No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jun 20262 of 30 days measured; a month needs 21. The others: 28 with readings for part of the day (a day needs 18 hours).
May 20262 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 28 with readings for part of the day (a day needs 18 hours).
Apr 2026No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Mar 2026No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Feb 2026No day measured. The others: 28 with readings for part of the day (a day needs 18 hours).
Jan 20264 of 31 days measured; a month needs 22. The others: 27 with readings for part of the day (a day needs 18 hours).
Dec 2025No day measured. The others: 1 with no readings from the monitor, 30 with readings for part of the day (a day needs 18 hours).
Nov 2025No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Oct 2025No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Sep 2025No day measured. The others: 8 with no readings from the monitor, 22 with readings for part of the day (a day needs 18 hours).
Aug 2025No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jul 2025No day measured. The others: 1 with no readings from the monitor, 30 with readings for part of the day (a day needs 18 hours).
Jun 2025No day measured. The others: 4 with no readings from the monitor, 26 with readings for part of the day (a day needs 18 hours).
May 2025No day measured. The others: 2 with no readings from the monitor, 29 with readings for part of the day (a day needs 18 hours).
Apr 2025No day measured. The others: 12 with no readings from the monitor, 18 with readings for part of the day (a day needs 18 hours).
Mar 20257 of 31 days measured; a month needs 22. The others: 7 with no readings from the monitor, 17 with readings for part of the day (a day needs 18 hours).
Jan 202520 of 31 days measured; a month needs 22. The others: 11 with readings for part of the day (a day needs 18 hours).
Oct 2024No day measured. The others: 17 with no readings from the monitor, 14 with readings for part of the day (a day needs 18 hours).
Sep 2024No day measured. The others: 11 with no readings from the monitor, 19 with readings for part of the day (a day needs 18 hours).
Aug 2024No day measured. The others: 2 with no readings from the monitor, 29 with readings for part of the day (a day needs 18 hours).
Jul 2024No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jun 2024No day measured. The others: 1 with no readings from the monitor, 29 with readings for part of the day (a day needs 18 hours).
May 202418 of 31 days measured; a month needs 22. The others: 13 with readings for part of the day (a day needs 18 hours).
Apr 202410 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 19 with readings for part of the day (a day needs 18 hours).
Mar 2024No day measured. The others: 25 with no readings from the monitor, 6 with readings for part of the day (a day needs 18 hours).
Feb 202414 of 29 days measured; a month needs 21. The others: 13 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours), 1 missing from OpenAQ's archive.
Jan 20243 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.

Biograd na Moru's worst months

MonthUS AQIDays measuredWorld rank
February 2025 498.8 µg/m³22 of 281,385thof 2,633
November 2024 386.8 µg/m³21 of 301,755thof 2,624
December 2024 305.4 µg/m³24 of 312,213thof 2,616

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.

Biograd na Moru's worst days

DayUS AQI
5 Feb 2024 7220.6 µg/m³
4 Feb 2024 7119.6 µg/m³
6 Feb 2024 6818.2 µg/m³
18 Jan 2025 6717.8 µg/m³
7 Feb 2024 6717.6 µg/m³
18 Dec 2024 6717.6 µg/m³
2 Jan 2025 6717.5 µg/m³
10 Mar 2025 6416.3 µg/m³
3 Feb 2024 6416.2 µg/m³
11 Feb 2025 6415.9 µg/m³

Daily means, the highest since 29 Jan 2024; 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, Biograd na Moru, Croatia, 29 Jan 2024 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/hr/biograd-na-moru/history (accessed 13 Oct 2026).

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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.

Biograd na Moru 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).