Air Quality in Hiroshima, Japan

Rain
20.8°C · 74.7% humidity
20.8°
Feels 20.8°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
54 3am
54
54
41 6am
45
59
78 9am
63
64
64 12pm
65
65
65 3pm
54
54
54 6pm
54
54
54 9pm
34
54
54 12am
54
54
AD 728×90

Air Quality Index Trend

47h · 12 stn

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. Current PM2.5 concentration in Hiroshima is 2.0× the WHO annual guideline of 5 µg/m³.

74.7%
Humidity
19.3 km/h
Wind E
1002.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
41
9.91 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Hiroshima?

Temperature & Precipitation

PM2.5 Trend

47h · 12 stations
PM2.59.91 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
9.91
Median
9.19
Average
6.7
Low
12.0
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +10.4

What is the 7-day forecast for Hiroshima?

05-28
19.7° 9.5°
53.56 mm
05-29
20.8° 16.3°
9.63 mm
05-30
22.4° 15.7°
2.5 mm
05-31
22.9° 16.2°
06-01
25.9° 16.9°
0.13 mm
06-02
26.2° 16.5°
0.13 mm
06-03
20.4° 15.5°
18.31 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Hiroshima?

30
Misasamachi, Hiroshima-ken, Japan (三篠小学校広島市西区)
1.1 km PM2.5: 7.2 µg/m³
30
Hiroshima (広島)
1.7 km PM2.5: 7.2 µg/m³
34
Hiroshima (広島)
1.7 km PM2.5: 8.2 µg/m³
14
Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)
2.5 km PM2.5: 3.4 µg/m³
34
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
6.8 km PM2.5: 8.2 µg/m³
9
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
6.8 km PM2.5: 2.2 µg/m³
14
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
6.8 km PM2.5: 3.4 µg/m³
25
Numatacho Oaza Tomo, Hiroshima Prefecture, Japan (伴小学校広島市安佐南区)
7.5 km PM2.5: 6.0 µg/m³
18
Umaki, Hiroshima-ken, Japan (福木小学校広島市東区)
9.3 km PM2.5: 4.3 µg/m³
17
Umaki, Hiroshima-ken, Japan (福木小学校広島市東区)
9.3 km PM2.5: 4.1 µg/m³

What cities are near Hiroshima?

40 Gion 42 Fuchū 41 Kaitaichi 34 Hatsukaichi 38 Kumano 37 Etajima 41 Ōno-hara 35 Kure 41 Higashihiroshima 48 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 2026-05-28T21:35 UTC.