What is the air quality trend in Krestovskiy ostrov?

Over the past 8 days, Krestovskiy ostrov had an average AQI of 9 based on station measurements. The worst day was 2026-07-15 with AQI 18.

How is Krestovskiy ostrov air quality measured?

Air quality in Krestovskiy ostrov is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Krestovskiy ostrov, Russia

Name: Krestovskiy ostrov Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Krestovskiy ostrov, Russia.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 16 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	12	4–27	2.7 µg/m³	5.2	12h	16
2026-07-21	5	2–25	1.2 µg/m³	2.8	24h	16
2026-07-20	4	2–6	0.9 µg/m³	2.7	24h	16
2026-07-19	8	4–12	1.9 µg/m³	4.4	24h	16
2026-07-18	9	6–23	2.1 µg/m³	5.6	24h	16
2026-07-17	11	6–17	2.6 µg/m³	7.4	24h	16
2026-07-16	7	3–20	1.6 µg/m³	4.6	24h	16
2026-07-15	18	8–25	4.3 µg/m³	7.5	12h	15

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