What is the air quality in Ichihara today?

The current Air Quality Index (AQI) in Ichihara is 19 (Good). PM2.5 concentration is 4.5 µg/m³.

What is the temperature in Ichihara right now?

The current temperature in Ichihara is 19.8°C (feels like 19.8°C). Humidity is 76.2% and wind speed is 9.9 km/h.

Is it safe to go outside in Ichihara?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Ichihara, Japan

Cloudy

19.8°C · 76.2% humidity

19.8°

Feels 19.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

18 5am

19 8am

0 11am

0 2pm

18 5pm

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— 8pm

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— 11pm

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— 2am

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Station readings 25h ago

AQI 18

PM2.5 4.3 µg/m³ · 25h ago

Air Quality Index Trend

47h · 54 stn

View full history →

Ichihara'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.

76.2%

Humidity

9.9 km/h

Wind S

1015.9 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.5 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Ichihara?

Temperature & Precipitation

PM2.5 Trend

47h · 54 stations

PM2.54.5 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (14 stations within 25 km)

4.5

Median

5.14

Average

0.7

Low

14.5

High

PM2.5 µg/m³ · Model: 9.75 · Bias: +5.2

What is the 7-day forecast for Ichihara?

06-08

23.0° 17.4°

3.06 mm

06-09

21.2° 19.8°

0.06 mm

06-10

24.6° 19.0°

2.5 mm

06-11

23.3° 18.9°

0.81 mm

06-12

21.4° 19.2°

3.25 mm

06-13

22.9° 19.4°

17.69 mm

06-14

24.9° 18.1°

51.81 mm

Both models agree Avg diff: 1.8°C

Where are air quality stations near Ichihara?

Goichuonishi, Ichihara, Chiba, Japan (市原五井市原市)

0.6 km PM2.5: 7.2 µg/m³

Goichuonishi, Ichihara, Chiba, Japan (市原五井市原市)

0.6 km PM2.5: 5.0 µg/m³

Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)

1.7 km PM2.5: 6.0 µg/m³

Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)

1.7 km PM2.5: 3.1 µg/m³

Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)

1.7 km PM2.5: 5.0 µg/m³

Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)

1.7 km PM2.5: 4.1 µg/m³

Tsuiheiji, Ichihara, Chiba, Japan (市原廿五里市原市)

3.2 km PM2.5: 7.2 µg/m³

Tsuiheiji, Ichihara, Chiba, Japan (市原廿五里市原市)

3.2 km PM2.5: 18.8 µg/m³

Ichihara (市原)

3.6 km PM2.5: 4.1 µg/m³

Ichihara (市原)

3.6 km PM2.5: 13.5 µg/m³

What cities are near Ichihara?

32 Chiba 18 Sodegaura 24 Makuhari 25 Yotsukaidō 21 Narashino 25 Kisarazu 31 Ōami 26 Mobara 33 Honchō 19 Urayasu

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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 2026-06-08T23:10 UTC.