Air Quality in Chikuma, Japan

Overcast
19.7°C · 95.9% humidity
19.7°
Feels 19.7°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 6am
27
25
27 9am
25
25
25 12pm
25
25
25 3pm
25
25
25 6pm
27
27
27 9pm
27
27
25 12am
25
25
25 3am
27
27
AD 728×90

Air Quality Index Trend

45h · 10 stn

Chikuma'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.

95.9%
Humidity
9.1 km/h
Wind SW
1010.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chikuma?

Temperature & Precipitation

PM2.5 Trend

45h · 10 stations
PM2.56.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Chikuma?

08-03
28.7° 19.7°
10.37 mm
08-04
36.3° 20.4°
6.44 mm
08-05
26.7° 21.3°
2.44 mm
08-06
26.4° 19.1°
41.88 mm
08-07
31.0° 20.8°
6.25 mm
08-08
32.2° 20.1°
13.25 mm
08-09
27.2° 19.8°
0.31 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Chikuma?

21
Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)
3.2 km PM2.5: 5.0 µg/m³
12
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
7.2 km PM2.5: 2.9 µg/m³
14
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
14.2 km PM2.5: 3.4 µg/m³
14
Nagano (長野)
16.4 km PM2.5: 3.4 µg/m³
21
Nagano (長野)
16.4 km PM2.5: 5.0 µg/m³

What cities are near Chikuma?

27 Sakaki 30 Nagano 26 Ōmachi 34 Ueda 34 Suzaka 27 Hotaka 31 Kamimaruko 28 Toyoshina 34 Tōmi 29 Azumino
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:55 UTC.