What is the air quality in Hiroshima today?

The current Air Quality Index (AQI) in Hiroshima is 24 (Good). PM2.5 concentration is 5.67 µg/m³.

What is the temperature in Hiroshima right now?

The current temperature in Hiroshima is 22.4°C (feels like 22.4°C). Humidity is 83.7% and wind speed is 38.5 km/h.

Is it safe to go outside in Hiroshima?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Hiroshima, Japan

Cloudy

22.4°C · 83.7% humidity

22.4°

Feels 22.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

36 4pm

24 7pm

22 10pm

24 1am

25 4am

26 7am

26 10am

26 1pm

CAMS model adj +2

Air Quality Index Trend

45h · 11 stn

View full history →

Hiroshima'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.

83.7%

Humidity

38.5 km/h

Wind NNE

1004.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.67 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Hiroshima?

Temperature & Precipitation

PM2.5 Trend

45h · 11 stations

PM2.55.67 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.7

Low

Station readings (11 stations within 25 km)

5.67

Median

4.22

Average

2.2

Low

10.1

High

PM2.5 µg/m³ · Model: 7.35 · Bias: +1.7

What is the 7-day forecast for Hiroshima?

09-05

28.7° 21.8°

0.56 mm

09-06

28.9° 20.2°

2.69 mm

09-07

27.1° 21.6°

0.13 mm

09-08

24.8° 17.9°

0.75 mm

09-09

29.4° 21.5°

3.37 mm

09-10

27.9° 18.2°

0.81 mm

09-11

28.0° 20.8°

11.56 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Hiroshima?

Kamiyacho, Hiroshima Prefecture, Japan (紙屋町広島市中区)

1.3 km PM2.5: 3.8 µg/m³

Hiroshima (広島)

1.7 km PM2.5: 10.1 µg/m³

Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)

2.5 km PM2.5: 4.1 µg/m³

Furuichi, Hiroshima, Japan (古市小学校広島市安佐南区)

6.0 km PM2.5: 2.4 µg/m³

Inokuchi, Hiroshima, Japan (井口小学校広島市西区)

6.8 km PM2.5: 3.8 µg/m³

Numatacho Oaza Tomo, Hiroshima Prefecture, Japan (伴小学校広島市安佐南区)

7.5 km PM2.5: 2.4 µg/m³

Numatacho Oaza Tomo, Hiroshima Prefecture, Japan (伴小学校広島市安佐南区)

7.5 km PM2.5: 2.2 µg/m³

Umaki, Hiroshima-ken, Japan (福木小学校広島市東区)

9.3 km PM2.5: 3.1 µg/m³

Kabe, Hiroshima, Japan (可部小学校広島市安佐北区)

14.0 km PM2.5: 2.4 µg/m³

Kabe, Hiroshima, Japan (可部小学校広島市安佐北区)

14.0 km PM2.5: 1.4 µg/m³

What cities are near Hiroshima?

20 Gion 21 Fuchū 20 Kaitaichi 19 Hatsukaichi 18 Kumano 18 Etajima 27 Ōno-hara 12 Kure 15 Higashihiroshima 38 Ōtake

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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 2026-09-05T10:26 UTC.