What is the air quality in Onomichi today?

The current Air Quality Index (AQI) in Onomichi is 21 (Good). PM2.5 concentration is 5.02 µg/m³.

What is the temperature in Onomichi right now?

The current temperature in Onomichi is 17.5°C (feels like 17.5°C). Humidity is 92.2% and wind speed is 12.6 km/h.

Is it safe to go outside in Onomichi?

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

Air Quality in Onomichi, Japan

Drizzle

17.5°C · 92.2% humidity

17.5°

Feels 17.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

13 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 6h ago

AQI 18

PM2.5 4.4 µg/m³ · 6h ago

Air Quality Index Trend

46h · 9 stn

View full history →

Onomichi'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.

92.2%

Humidity

12.6 km/h

Wind N

1018.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.02 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Onomichi?

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations

PM2.55.02 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (13 stations within 25 km)

5.02

Median

4.12

Average

1.4

Low

9.33

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +1.5

What is the 7-day forecast for Onomichi?

10-22

23.3° 14.1°

0.13 mm

10-23

20.3° 11.2°

0.06 mm

10-24

19.0° 15.6°

0.31 mm

10-25

18.0° 7.0°

7.44 mm

10-26

17.4° 7.3°

10-27

17.3° 9.9°

10-28

19.6° 9.8°

Both models agree Avg diff: 5.1°C

Where are air quality stations near Onomichi?

Fukuyama, Hiroshima Prefecture, Japan (松永小学校福山市)

6.0 km PM2.5: 2.4 µg/m³

Miyaoki, Mihara, Hiroshima, Japan (三原宮沖町三原市)

11.7 km PM2.5: 0.5 µg/m³

Miyaoki, Mihara, Hiroshima, Japan (三原宮沖町三原市)

11.7 km PM2.5: 0.5 µg/m³

Miyaoki, Mihara, Hiroshima, Japan (三原宮沖町三原市)

11.7 km PM2.5: 0.7 µg/m³

Fukuyama (福山)

16.8 km PM2.5: 6.0 µg/m³

Fukuyama (福山)

16.8 km PM2.5: 7.4 µg/m³

Fukuyama (福山)

16.8 km PM2.5: 9.6 µg/m³

Fukuyama (福山)

16.8 km PM2.5: 7.9 µg/m³

Higashisakuramachi, Fukuyama, Hiroshima, Japan (福山市役所福山市)

16.8 km PM2.5: 2.6 µg/m³

Higashisakuramachi, Fukuyama, Hiroshima, Japan (福山市役所福山市)

16.8 km PM2.5: 2.9 µg/m³

What cities are near Onomichi?

6 Mihara 15 Innoshima 23 Shin’ichi 13 Fukuyama 20 Fuchūchō 15 Kōzan 15 Kannabechō-yahiro 13 Takehara 16 Kasaoka 17 Ibara

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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 2026-10-22T09:54 UTC.