Air Quality in Ojiya, Japan
Drizzle
23.7°C · 53.7% humidity
23.7°
Feels 23.7°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Ojiya's air quality — share it
AQI Forecast
25
5am
25
25
30
8am
29
30
29
11am
28
28
28
2pm
27
27
27
5pm
34
34
54
8pm
54
34
27
11pm
27
27
27
2am
27
27
Air Quality Index Trend
44h · 3 stnOjiya's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.
53.7%
Humidity
11.1 km/h
Wind E
1014.2 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ojiya?
Temperature & Precipitation
PM2.5 Trend
44h · 3 stationsPM2.57.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.9
What is the 7-day forecast for Ojiya?
05-29
26.0° 15.4°
25.62 mm
05-30
24.9° 14.4°
3.13 mm
05-31
24.6° 14.9°
06-01
25.3° 16.9°
06-02
25.2° 14.8°
06-03
28.2° 17.9°
3.63 mm
06-04
25.4° 14.3°
6.13 mm
Both models agree
Avg diff: 2.6°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T23:35 UTC.