Air Quality in Sagamihara, Japan

Drizzle
21.6°C · 92.2% humidity
21.6°
Feels 21.6°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
16 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 5pm
22
22
20 8pm
22
22
20 11pm
20
20
20 2am
20
20
20 5am
20
20
20 8am
20
22
22 11am
22
22
22 2pm
22
22
Station readings 5h ago
AQI 21
PM2.5 5.0 µg/m³ · 5h ago
CAMS model adj -5
25
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

3h · 2 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.

92.2%
Humidity
25.6 km/h
Wind NE
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.77 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sagamihara?

Temperature & Precipitation

PM2.5 Trend

3h · 2 stations
PM2.54.77 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (16 stations within 25 km)
4.77
Median
5.22
Average
1.4
Low
15.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +1.4

What is the 7-day forecast for Sagamihara?

09-05
24.3° 19.8°
36.5 mm
09-06
26.5° 20.9°
4.75 mm
09-07
28.3° 21.4°
2.75 mm
09-08
26.6° 20.0°
3.31 mm
09-09
24.8° 20.5°
11.38 mm
09-10
23.9° 21.7°
0.69 mm
09-11
28.6° 21.7°
0.25 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Sagamihara?

18
Nakano, Kanagawa, Japan (津久井相模原市緑区)
2.5 km PM2.5: 4.3 µg/m³
7
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
7.9 km PM2.5: 1.7 µg/m³
34
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
7.9 km PM2.5: 8.2 µg/m³
9
Sumida, Kanagawa, Japan (愛川町角田愛甲郡愛川町)
8.9 km PM2.5: 2.2 µg/m³
17
Sagamihara (相模原)
11.9 km PM2.5: 4.1 µg/m³
21
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
12.3 km PM2.5: 5.0 µg/m³
13
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
12.3 km PM2.5: 3.1 µg/m³
21
八王子市大楽寺町
12.5 km 78.2% RH PM2.5: 5.0 µg/m³ PM10: 12.0 µg/m³
30
Hachioji (八王子)
12.9 km PM2.5: 7.2 µg/m³
12
厚木市金田
16.5 km PM2.5: 3.0 µg/m³ PM10: 8.0 µg/m³

What cities are near Sagamihara?

23 Aihara 7 Minawa 28 Hachiōji 17 Uenohara 23 Zama 43 Bunkyo 18 Itsukaichi 19 Akiruno 17 Atsugi 22 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 2026-09-05T11:15 UTC.