Air Quality in Sagamihara, Japan

Overcast
22.0°C · 90.3% humidity
22.0°
Feels 22.0°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 7am
0
0
44 10am
33
45
39 1pm
35
32
30 4pm
29
28
27 7pm
26
26
26 10pm
26
25
37 1am
37
25
25 4am
25
25
Station readings 47h ago
AQI 25
PM2.5 6.0 µg/m³ · 47h ago
AD 728×90

Air Quality Index Trend

46h · 95 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.

90.3%
Humidity
17.1 km/h
Wind NE
1010.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.56 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sagamihara?

Temperature & Precipitation

PM2.5 Trend

46h · 95 stations
PM2.510.56 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
10.56
Median
11.75
Average
2.4
Low
21.1
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -4.4

What is the 7-day forecast for Sagamihara?

08-03
24.6° 20.5°
5.94 mm
08-04
29.6° 23.1°
2.81 mm
08-05
27.4° 23.3°
6.94 mm
08-06
27.9° 24.1°
38.94 mm
08-07
31.0° 22.9°
38.62 mm
08-08
30.1° 23.4°
41.12 mm
08-09
32.3° 20.3°
3.31 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Sagamihara?

42
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
7.9 km PM2.5: 10.1 µg/m³
17
Sumida, Kanagawa, Japan (愛川町角田愛甲郡愛川町)
8.9 km PM2.5: 4.1 µg/m³
25
Sagamihara (相模原)
11.9 km PM2.5: 6.0 µg/m³
43
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
12.3 km PM2.5: 10.3 µg/m³
33
八王子市大楽寺町
12.5 km 67.9% RH PM2.5: 8.0 µg/m³ PM10: 16.0 µg/m³
11
Hachioji (八王子)
12.9 km PM2.5: 2.6 µg/m³
42
Hachioji (八王子)
12.9 km PM2.5: 10.1 µg/m³
8
Kobuchi, Kanagawa, Japan (古淵相模原市南区)
16.2 km PM2.5: 1.9 µg/m³
29
厚木市金田
16.5 km PM2.5: 7.0 µg/m³ PM10: 13.0 µg/m³
34
Katsuse, Ebina, Kanagawa, Japan (海老名市役所海老名市)
19.4 km PM2.5: 8.2 µg/m³

What cities are near Sagamihara?

16 Aihara 40 Minawa 22 Hachiōji 26 Uenohara 34 Zama 21 Bunkyo 36 Itsukaichi 36 Akiruno 43 Atsugi 18 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 2026-08-08T01:58 UTC.