Air Quality in Tokorozawa, Japan

Partly Cloudy
26.4°C · 68.1% humidity
26.4°
Feels 26.4°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 6am
0
16
29 9am
25
23
21 12pm
19
18
18 3pm
17
17
17 6pm
16
16
16 9pm
16
16
16 12am
16
16
16 3am
16
16
Station readings 5h ago
AQI 18
PM2.5 4.3 µg/m³ · 5h ago
CAMS model adj -38
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

19h · 1 stn

Tokorozawa'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.

68.1%
Humidity
24.7 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.89 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tokorozawa?

Temperature & Precipitation

PM2.5 Trend

19h · 1 station
PM2.56.89 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
6.89
Median
8.22
Average
2.4
Low
14.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.5

What is the 7-day forecast for Tokorozawa?

08-03
28.2° 22.4°
9.5 mm
08-04
34.2° 25.8°
4.56 mm
08-05
32.3° 25.5°
1.81 mm
08-06
30.1° 26.8°
21.13 mm
08-07
36.2° 25.2°
11.69 mm
08-08
34.3° 26.5°
37.0 mm
08-09
35.6° 22.7°
1.25 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Tokorozawa?

25
Tokorozawa (所沢)
0.1 km PM2.5: 6.0 µg/m³
15
Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)
5.5 km PM2.5: 3.6 µg/m³
59
Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)
5.5 km PM2.5: 15.9 µg/m³
25
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.4 km PM2.5: 6.0 µg/m³
21
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.4 km PM2.5: 5.0 µg/m³
37
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.1 km PM2.5: 8.9 µg/m³
22
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
9.6 km PM2.5: 5.3 µg/m³
17
Shimohoya, Nishitokyo, Tokyo, Japan (西東京市下保谷西東京市)
9.7 km PM2.5: 4.1 µg/m³
22
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
10.2 km PM2.5: 5.3 µg/m³
25
Nishitokyo (西東京市)
10.3 km PM2.5: 6.0 µg/m³

What cities are near Tokorozawa?

25 Akitsu 25 Higashiyamato 25 Higashimurayama 23 Kiyose 23 Higashikurume 37 Ōi 26 Musashimurayama 33 Miyoshidai 42 Sayama 25 Kodaira
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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 2026-08-08T00:58 UTC.