What is the air quality in Okaya today?

The current Air Quality Index (AQI) in Okaya is 43 (Good). PM2.5 concentration is 10.42 µg/m³.

What is the temperature in Okaya right now?

The current temperature in Okaya is 13.9°C (feels like 13.9°C). Humidity is 74.7% and wind speed is 20.1 km/h.

Is it safe to go outside in Okaya?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Okaya, Japan

Drizzle

13.9°C · 74.7% humidity

13.9°

Feels 13.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 6 stn

View full history →

Okaya'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.

74.7%

Humidity

20.1 km/h

Wind NNE

1018.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Okaya?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations

PM2.510.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

10.42

Median

20.6

Average

9.1

Low

32.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -4.6

What is the 7-day forecast for Okaya?

10-21

13.9° 7.6°

0.13 mm

10-22

19.7° 12.6°

0.25 mm

10-23

17.5° 6.5°

10-24

18.2° 10.8°

0.13 mm

10-25

17.4° 3.5°

3.38 mm

10-26

14.7° 3.5°

10-27

12.6° 5.7°

0.19 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near Okaya?

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

6.1 km PM2.5: 9.1 µg/m³

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

6.1 km PM2.5: 17.8 µg/m³

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

6.1 km PM2.5: 7.2 µg/m³

甲府市/甲府市役所自排, Japan (甲府市役所自排甲府市)

24.9 km PM2.5: 32.1 µg/m³

Arai, Ina, Nagano, Japan (伊那伊那市)

25.3 km PM2.5: 4.1 µg/m³

What cities are near Okaya?

42 Shimosuwa 38 Suwa 38 Shiojiri 31 Tatsuno 42 Chino 20 Kinoshita 29 Matsumoto 18 Minamiminowa 17 Ina 30 Azumino

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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 2026-10-21T06:02 UTC.