What is the air quality in Ichihara today?

The current Air Quality Index (AQI) in Ichihara is 17 (Good). PM2.5 concentration is 4.12 µg/m³.

What is the temperature in Ichihara right now?

The current temperature in Ichihara is 17.4°C (feels like 17.4°C). Humidity is 88.2% and wind speed is 49.4 km/h.

Is it safe to go outside in Ichihara?

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

Air Quality in Ichihara, Japan

Rain

17.4°C · 88.2% humidity

17.4°

Feels 17.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

13 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 81 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.

88.2%

Humidity

49.4 km/h

Wind E

1020.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.12 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ichihara?

Temperature & Precipitation

PM2.5 Trend

45h · 81 stations

PM2.54.12 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (13 stations within 25 km)

4.12

Median

6.39

Average

2.2

Low

12.0

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +2.4

What is the 7-day forecast for Ichihara?

10-21

20.0° 17.4°

5.5 mm

10-22

22.1° 19.1°

1.37 mm

10-23

21.7° 15.5°

10-24

20.9° 17.1°

0.94 mm

10-25

19.8° 14.9°

2.56 mm

10-26

18.9° 15.8°

0.88 mm

10-27

18.4° 15.3°

0.56 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Ichihara?

Ichihara (市原)

3.6 km PM2.5: 3.1 µg/m³

Ichihara (市原)

3.6 km PM2.5: 3.4 µg/m³

Soga, Chiba, Japan (蘇我保育所千葉市中央区)

7.6 km PM2.5: 5.0 µg/m³

Uruido, Ichihara, Chiba, Japan (市原潤井戸市原市)

9.0 km PM2.5: 2.2 µg/m³

Nagaura Ekimae, Sodegaura-shi, Chiba-ken, Japan (袖ケ浦長浦袖ケ浦市)

10.4 km PM2.5: 3.1 µg/m³

NASA GSFC Rutgers Calib. N6

12.2 km PM2.5: 7.0 µg/m³

Ozone, Sodegaura-shi, Chiba-ken, Japan (袖ケ浦大曽根（車）袖ケ浦市)

12.2 km PM2.5: 8.2 µg/m³

Masago, Chiba, Japan (真砂公園千葉市美浜区)

13.2 km PM2.5: 9.1 µg/m³

Shikawatashi, Yotsukaido, Chiba, Japan (四街道鹿渡四街道市)

18.8 km PM2.5: 10.1 µg/m³

Saginumadai, Narashino, Chiba, Japan (習志野鷺沼習志野市)

19.3 km PM2.5: 9.1 µg/m³

What cities are near Ichihara?

29 Chiba 15 Sodegaura 37 Makuhari 38 Yotsukaidō 48 Narashino 21 Kisarazu 17 Ōami 13 Mobara 35 Honchō 26 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 2026-10-21T05:26 UTC.