Air Quality in Chikuma, Japan
Rain
18.7°C · 97.4% humidity
18.7°
Feels 18.7°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Chikuma's air quality — share it
AQI Forecast
Calibrated
63
4pm
63
63
25
7pm
36
44
49
10pm
53
56
58
1am
59
60
61
4am
62
62
62
7am
62
63
63
10am
63
63
63
1pm
63
63
Station readings
24h ago
AQI 63
PM2.5 17.8 µg/m³ · 24h ago
Air Quality Index Trend
42h · 3 stnChikuma'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.
97.4%
Humidity
11.0 km/h
Wind W
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chikuma?
Temperature & Precipitation
PM2.5 Trend
42h · 3 stationsPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.0
Median
6.0
Average
6.0
Low
6.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.0
What is the 7-day forecast for Chikuma?
09-05
28.6° 18.7°
4.75 mm
09-06
29.2° 18.1°
1.44 mm
09-07
28.7° 17.4°
2.63 mm
09-08
23.2° 16.9°
6.13 mm
09-09
25.5° 17.8°
0.19 mm
09-10
23.6° 18.4°
6.62 mm
09-11
27.0° 17.3°
1.5 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Chikuma?
25
Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)
25
Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)
34
Nagano (長野)
What cities are near Chikuma?
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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 2026-09-05T10:26 UTC.