Air Quality in Ojiya, Japan

Drizzle
20.6°C · 96.4% humidity
20.6°
Feels 20.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 4pm
27
27
26 7pm
27
27
25 10pm
25
24
24 1am
24
24
24 4am
24
24
24 7am
24
24
25 10am
25
25
25 1pm
25
25
AD 728×90

Air Quality Index Trend

40h · 2 stn

Ojiya'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.

96.4%
Humidity
16.5 km/h
Wind SSE
1009.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ojiya?

Temperature & Precipitation

PM2.5 Trend

40h · 2 stations
PM2.56.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Ojiya?

09-05
30.9° 20.6°
1.75 mm
09-06
25.5° 18.7°
0.5 mm
09-07
31.1° 18.7°
1.0 mm
09-08
24.9° 17.0°
1.37 mm
09-09
27.5° 19.0°
0.5 mm
09-10
31.4° 19.9°
7.06 mm
09-11
29.6° 18.5°
1.69 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Ojiya?

57
Jooka, Nagaoka, Niigata, Japan (城岡自排長岡市)
19.6 km PM2.5: 15.0 µg/m³

What cities are near Ojiya?

57 Uonuma 25 Nagaoka 57 Tōkamachi 31 Kashiwazaki 57 Minamiuonuma 25 Tochio-honchō 57 Muikamachi 25 Mitsuke 57 Shiozawa 40 Sanjō
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T10:58 UTC.