Air Quality in Sagamihara, Japan

Drizzle
22.4°C · 88.6% humidity
22.4°
Feels 22.4°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
59 8am
58
57
56 11am
55
67
67 2pm
66
66
66 5pm
66
54
66 8pm
66
66
66 11pm
66
66
66 2am
54
54
AD 728×90

Air Quality Index Trend

47h · 4 stn

Sagamihara'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 Sagamihara is 1.1× the WHO 24-hour guideline of 15 µg/m³.

88.6%
Humidity
26.3 km/h
Wind N
1003.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.82 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sagamihara?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.515.82 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (17 stations within 25 km)
15.82
Median
17.48
Average
7.2
Low
26.8
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -6.1
Both models agree Avg diff: 3.0°C

Where are air quality stations near Sagamihara?

26
Nakano, Kanagawa, Japan (津久井相模原市緑区)
2.5 km PM2.5: 6.2 µg/m³
72
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
7.9 km PM2.5: 22.1 µg/m³
36
Sumida, Kanagawa, Japan (愛川町角田愛甲郡愛川町)
8.9 km PM2.5: 8.6 µg/m³
25
Sumida, Kanagawa, Japan (愛川町角田愛甲郡愛川町)
8.9 km PM2.5: 6.0 µg/m³
25
Sagamihara (相模原)
11.9 km PM2.5: 6.0 µg/m³
17
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
12.3 km PM2.5: 4.1 µg/m³
70
八王子市大楽寺町
12.5 km 87.9% RH PM2.5: 21.0 µg/m³ PM10: 25.0 µg/m³
68
Hachioji (八王子)
12.9 km PM2.5: 20.2 µg/m³
23
Kobuchi, Kanagawa, Japan (古淵相模原市南区)
16.2 km PM2.5: 5.5 µg/m³
55
厚木市金田
16.5 km PM2.5: 14.0 µg/m³ PM10: 30.0 µg/m³

What cities are near Sagamihara?

58 Aihara 45 Minawa 76 Hachiōji 60 Uenohara 59 Zama 67 Bunkyo 62 Itsukaichi 63 Akiruno 58 Atsugi 64 Hino
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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 2026-07-21T23:16 UTC.