Air Quality in Ichihara, Japan

Windy
21.5°C · 78.2% humidity
21.5°
Feels 21.5°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
32 stations

Nearby Monitoring Stations

AQI Forecast
27 3am
27
27
30 6am
34
34
34 9am
27
34
34 12pm
54
54
54 3pm
54
66
66 6pm
66
83
66 9pm
27
34
34 12am
34
34
AD 728×90

Air Quality Index Trend

49h · 1 stn

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. Current PM2.5 concentration in Ichihara is 1.5× the WHO annual guideline of 5 µg/m³.

78.2%
Humidity
189.1 km/h
Wind SSE
1001.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.3 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Ichihara?

Temperature & Precipitation

PM2.5 Trend

49h · 1 station
PM2.57.3 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (32 stations within 25 km)
7.3
Median
8.49
Average
3.1
Low
15.0
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +6.4

What is the 7-day forecast for Ichihara?

05-28
23.4° 15.3°
05-29
22.4° 17.8°
0.13 mm
05-30
21.7° 18.0°
2.56 mm
05-31
23.1° 18.2°
0.44 mm
06-01
23.6° 19.4°
06-02
23.7° 19.1°
06-03
23.8° 20.3°
0.38 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Ichihara?

25
Goichuonishi, Ichihara, Chiba, Japan (市原五井市原市)
0.6 km PM2.5: 6.0 µg/m³
7
Goichuonishi, Ichihara, Chiba, Japan (市原五井市原市)
0.6 km PM2.5: 1.7 µg/m³
53
Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)
1.7 km PM2.5: 13.1 µg/m³
17
Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)
1.7 km PM2.5: 4.1 µg/m³
50
Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)
1.7 km PM2.5: 12.0 µg/m³
41
Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)
1.7 km PM2.5: 9.8 µg/m³
40
Tsuiheiji, Ichihara, Chiba, Japan (市原廿五里市原市)
3.2 km PM2.5: 9.6 µg/m³
52
Tsuiheiji, Ichihara, Chiba, Japan (市原廿五里市原市)
3.2 km PM2.5: 12.6 µg/m³
36
Ichihara (市原)
3.6 km PM2.5: 8.6 µg/m³
46
Ichihara (市原)
3.6 km PM2.5: 11.0 µg/m³

What cities are near Ichihara?

42 Chiba 25 Sodegaura 38 Makuhari 52 Yotsukaidō 37 Narashino 30 Kisarazu 23 Ōami 15 Mobara 38 Honchō 37 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 2026-05-28T21:35 UTC.