Air Quality Hiroshima Prefecture Free 2026

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Last updated on October 1st, 2026 at 09:45 am

Air Quality Hiroshima Prefecture

Hiroshima Prefecture AQI – Detailed Air Quality

Display current air quality index and forecast for the upcoming days in Hiroshima Prefecture.

Today’s Air Quality Index (AQI)

Real-time PM2.5, PM10 air pollution level in Hiroshima, Hiroshima Capital

5:44 AM, October 11, 2026

Last updated on: 5:44 AM

Live AQI 26

Air Quality is Good

PM₂.₅: 5.12µg/m³ PM₁₀: 11.12µg/m³

Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.

Air Quality Hourly Forecast

Min at 5:00 AM on Oct 10

Max at 3:00 AM on Oct 11, 2026

Hiroshima Prefecture Historical Air Quality Data

Display historical AQI data calendar by selecting a specific date and location Hiroshima Prefecture.

August

October

Hiroshima, Hiroshima Capital Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.

Oct 11, 2026 5:44 AM

SUNMONTUEWEDTHUFRISAT

Moderate

PM2.5: 22

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 22 µg/m3

PM₁₀ 25 µg/m3

SO₂ 6 µg/m3

NO₂ 6 µg/m3

O₃ 39 µg/m3

CO 103 µg/m3

AQI Hourly Forecast Graph

Min at 4:00 PM on Aug 30

Max at 7:00 AM on Aug 30, 2026

Good

PM2.5: 8

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 8 µg/m3

PM₁₀ 11 µg/m3

SO₂ 3 µg/m3

NO₂ 3 µg/m3

O₃ 44 µg/m3

CO 86 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Aug 31

Max at 1:00 AM on Aug 31, 2026

Good

PM2.5: 2

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 2 µg/m3

PM₁₀ 4 µg/m3

SO₂ 2 µg/m3

NO₂ 2 µg/m3

O₃ 41 µg/m3

CO 84 µg/m3

AQI Hourly Forecast Graph

Min at 5:00 AM on Sep 1

Max at 1:00 AM on Sep 1, 2026

Good

PM2.5: 2

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 2 µg/m3

PM₁₀ 3 µg/m3

SO₂ 2 µg/m3

NO₂ 4 µg/m3

O₃ 39 µg/m3

CO 90 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Sep 2

Max at 12:00 AM on Sep 2, 2026

Good

PM2.5: 2

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 2 µg/m3

PM₁₀ 2 µg/m3

SO₂ 2 µg/m3

NO₂ 7 µg/m3

O₃ 30 µg/m3

CO 100 µg/m3

AQI Hourly Forecast Graph

Min at 11:00 PM on Sep 3

Max at 1:00 AM on Sep 3, 2026

Good

PM2.5: 2

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 2 µg/m3

PM₁₀ 3 µg/m3

SO₂ 2 µg/m3

NO₂ 9 µg/m3

O₃ 29 µg/m3

CO 117 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 4

Max at 12:00 AM on Sep 4, 2026

Good

PM2.5: 4

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 4 µg/m3

PM₁₀ 5 µg/m3

SO₂ 3 µg/m3

NO₂ 5 µg/m3

O₃ 64 µg/m3

CO 130 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Sep 5

Max at 1:00 AM on Sep 5, 2026

Good

PM2.5: 5

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 5 µg/m3

PM₁₀ 6 µg/m3

SO₂ 3 µg/m3

NO₂ 4 µg/m3

O₃ 75 µg/m3

CO 138 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 6

Max at 7:00 AM on Sep 6, 2026

Good

PM2.5: 5

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 5 µg/m3

PM₁₀ 9 µg/m3

SO₂ 3 µg/m3

NO₂ 5 µg/m3

O₃ 77 µg/m3

CO 154 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 7

Max at 8:00 AM on Sep 7, 2026

Good

PM2.5: 5

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 5 µg/m3

PM₁₀ 6 µg/m3

SO₂ 3 µg/m3

NO₂ 7 µg/m3

O₃ 60 µg/m3

CO 171 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 PM on Sep 8

Max at 6:00 AM on Sep 8, 2026

Good

PM2.5: 4

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 4 µg/m3

PM₁₀ 7 µg/m3

SO₂ 3 µg/m3

NO₂ 3 µg/m3

O₃ 76 µg/m3

CO 196 µg/m3

AQI Hourly Forecast Graph

Min at 5:00 PM on Sep 9

Max at 1:00 AM on Sep 9, 2026

Good

PM2.5: 6

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 6 µg/m3

PM₁₀ 11 µg/m3

SO₂ 4 µg/m3

NO₂ 6 µg/m3

O₃ 68 µg/m3

CO 200 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 10

Max at 12:00 AM on Sep 10, 2026

Moderate

PM2.5: 17

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 17 µg/m3

PM₁₀ 20 µg/m3

SO₂ 6 µg/m3

NO₂ 6 µg/m3

O₃ 89 µg/m3

CO 228 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Sep 11

Max at 12:00 AM on Sep 11, 2026

Moderate

PM2.5: 20

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 20 µg/m3

PM₁₀ 22 µg/m3

SO₂ 4 µg/m3

NO₂ 4 µg/m3

O₃ 92 µg/m3

CO 229 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Sep 12

Max at 6:00 AM on Sep 12, 2026

Good

PM2.5: 7

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 7 µg/m3

PM₁₀ 9 µg/m3

SO₂ 3 µg/m3

NO₂ 3 µg/m3

O₃ 47 µg/m3

CO 142 µg/m3

AQI Hourly Forecast Graph

Min at 6:00 PM on Sep 13

Max at 1:00 AM on Sep 13, 2026

Good

PM2.5: 9

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 9 µg/m3

PM₁₀ 10 µg/m3

SO₂ 5 µg/m3

NO₂ 6 µg/m3

O₃ 46 µg/m3

CO 153 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Sep 14

Max at 8:00 PM on Sep 14, 2026

Good

PM2.5: 8

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 8 µg/m3

PM₁₀ 8 µg/m3

SO₂ 5 µg/m3

NO₂ 6 µg/m3

O₃ 73 µg/m3

CO 174 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Sep 15

Max at 5:00 AM on Sep 15, 2026

Good

PM2.5: 6

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 6 µg/m3

PM₁₀ 6 µg/m3

SO₂ 4 µg/m3

NO₂ 6 µg/m3

O₃ 62 µg/m3

CO 163 µg/m3

AQI Hourly Forecast Graph

Min at 11:00 PM on Sep 16

Max at 9:00 AM on Sep 16, 2026

Good

PM2.5: 8

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 8 µg/m3

PM₁₀ 10 µg/m3

SO₂ 4 µg/m3

NO₂ 5 µg/m3

O₃ 82 µg/m3

CO 148 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 17

Max at 5:00 PM on Sep 17, 2026

Good

PM2.5: 5

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 5 µg/m3

PM₁₀ 6 µg/m3

SO₂ 2 µg/m3

NO₂ 7 µg/m3

O₃ 64 µg/m3

CO 157 µg/m3

AQI Hourly Forecast Graph

Min at 4:00 AM on Sep 18

Max at 12:00 AM on Sep 18, 2026

Good

PM2.5: 8

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 8 µg/m3

PM₁₀ 9 µg/m3

SO₂ 4 µg/m3

NO₂ 4 µg/m3

O₃ 76 µg/m3

CO 142 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Sep 19

Max at 7:00 AM on Sep 19, 2026

Good

PM2.5: 2

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 2 µg/m3

PM₁₀ 4 µg/m3

SO₂ 3 µg/m3

NO₂ 2 µg/m3

O₃ 82 µg/m3

CO 116 µg/m3

AQI Hourly Forecast Graph

Min at 6:00 PM on Sep 20

Max at 5:00 AM on Sep 20, 2026

Good

PM2.5: 6

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 6 µg/m3

PM₁₀ 14 µg/m3

SO₂ 2 µg/m3

NO₂ 2 µg/m3

O₃ 93 µg/m3

CO 116 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 21

Max at 5:00 PM on Sep 21, 2026

Good

PM2.5: 7

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 7 µg/m3

PM₁₀ 16 µg/m3

SO₂ 3 µg/m3

NO₂ 4 µg/m3

O₃ 91 µg/m3

CO 151 µg/m3

AQI Hourly Forecast Graph

Min at 9:00 PM on Sep 22

Max at 5:00 AM on Sep 22, 2026

Good

PM2.5: 9

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 9 µg/m3

PM₁₀ 17 µg/m3

SO₂ 5 µg/m3

NO₂ 5 µg/m3

O₃ 86 µg/m3

CO 140 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 23

Max at 10:00 PM on Sep 23, 2026

Moderate

PM2.5: 11

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 11 µg/m3

PM₁₀ 18 µg/m3

SO₂ 8 µg/m3

NO₂ 7 µg/m3

O₃ 84 µg/m3

CO 149 µg/m3

AQI Hourly Forecast Graph

Min at 3:00 AM on Sep 24

Max at 12:00 AM on Sep 24, 2026

107

Poor

PM2.5: 28

AQI

107

Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.

PM₂.₅ 28 µg/m3

PM₁₀ 34 µg/m3

SO₂ 6 µg/m3

NO₂ 6 µg/m3

O₃ 80 µg/m3

CO 164 µg/m3

AQI Hourly Forecast Graph

Min at 1:00 AM on Sep 25

Max at 12:00 AM on Sep 25, 2026

Moderate

PM2.5: 24

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 24 µg/m3

PM₁₀ 25 µg/m3

SO₂ 9 µg/m3

NO₂ 6 µg/m3

O₃ 58 µg/m3

CO 135 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Sep 26

Max at 1:00 AM on Sep 26, 2026

Moderate

PM2.5: 15

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 15 µg/m3

PM₁₀ 15 µg/m3

SO₂ 5 µg/m3

NO₂ 6 µg/m3

O₃ 41 µg/m3

CO 132 µg/m3

AQI Hourly Forecast Graph

Min at 6:00 AM on Sep 27

Max at 11:00 PM on Sep 27, 2026

Good

PM2.5: 10

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 10 µg/m3

PM₁₀ 11 µg/m3

SO₂ 5 µg/m3

NO₂ 10 µg/m3

O₃ 39 µg/m3

CO 171 µg/m3

AQI Hourly Forecast Graph

Min at 11:00 PM on Sep 28

Max at 1:00 AM on Sep 28, 2026

Good

PM2.5: 6

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 6 µg/m3

PM₁₀ 6 µg/m3

SO₂ 3 µg/m3

NO₂ 7 µg/m3

O₃ 63 µg/m3

CO 208 µg/m3

AQI Hourly Forecast Graph

Min at 8:00 AM on Sep 29

Max at 10:00 PM on Sep 29, 2026

Moderate

PM2.5: 11

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 11 µg/m3

PM₁₀ 13 µg/m3

SO₂ 6 µg/m3

NO₂ 7 µg/m3

O₃ 84 µg/m3

CO 174 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Sep 30

Max at 9:00 AM on Sep 30, 2026

Moderate

PM2.5: 12

AQI

Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.

PM₂.₅ 12 µg/m3

PM₁₀ 19 µg/m3

SO₂ 5 µg/m3

NO₂ 4 µg/m3

O₃ 97 µg/m3

CO 181 µg/m3

AQI Hourly Forecast Graph

Min at 12:00 AM on Oct 1

Max at 12:00 PM on Oct 1, 2026

Good

PM2.5: 7

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 7 µg/m3

PM₁₀ 13 µg/m3

SO₂ 4 µg/m3

NO₂ 3 µg/m3

O₃ 89 µg/m3

CO 163 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Oct 2

Max at 1:00 PM on Oct 2, 2026

Good

PM2.5: 7

AQI

Air Quality is Good Air quality is excellent. No health concerns for any group.

PM₂.₅ 7 µg/m3

PM₁₀ 12 µg/m3

SO₂ 4 µg/m3

NO₂ 5 µg/m3

O₃ 82 µg/m3

CO 163 µg/m3

AQI Hourly Forecast Graph

Min at 2:00 AM on Oct 3

Max at 10:00 PM on Oct 3, 2026

Hiroshima Prefecture Historical Weather Data

Display historical weather data by selecting a specific date and location Hiroshima Prefecture.

Hiroshima, Hiroshima CapitalOct 10, 2026

19 °C | °F

Sunny

Max 25 °

Min 14 °

Humidity 84 %	Wind 28 Km/h
Visibility 10 km	UV Index 3.6
Sunrise 6:11 AM	Sunset 5:42 PM
Moonrise 5:23 AM	Moonset 5:10 PM
Precipitation 0.21 mm	Snow 0 mm/h
Rain Chance 100%

Historical Weather from WeatherAPI

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BANZAI JAPAN Saitama Prefecture Evangelist Riko Ueno Graduation

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