Air Quality in Ojiya, Japan
Rain
23.2°C · 93.3% humidity
23.2°
Feels 23.2°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Ojiya's air quality — share it
AQI Forecast
25
8am
25
27
61
11am
51
44
40
2pm
36
40
32
5pm
30
36
36
8pm
35
35
35
11pm
34
27
27
2am
27
34
34
5am
27
27
Air Quality Index Trend
28h · 2 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. Current PM2.5 concentration in Ojiya is 1.1× the WHO 24-hour guideline of 15 µg/m³.
93.3%
Humidity
13.6 km/h
Wind ESE
1000.4 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ojiya?
Temperature & Precipitation
PM2.5 Trend
28h · 2 stationsPM2.516.9 µg/m³
×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (1 station within 25 km)
16.9
Median
16.9
Average
16.9
Low
16.9
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -9.6
What is the 7-day forecast for Ojiya?
07-22
33.0° 20.7°
8.44 mm
07-23
28.3° 16.1°
0.81 mm
07-24
30.2° 22.7°
0.56 mm
07-25
30.9° 20.2°
10.06 mm
07-26
28.3° 20.7°
1.06 mm
07-27
28.8° 20.4°
3.31 mm
07-28
28.0° 22.1°
8.44 mm
Both models agree
Avg diff: 2.5°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 2026-07-22T02:15 UTC.