Air Quality in Tokorozawa, Japan

Drizzle
23.7°C · 83.6% humidity
23.7°
Feels 23.7°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
87 5am
149
87
10 8am
32
47
59 11am
67
73
77 2pm
80
82
82 5pm
83
84
85 8pm
85
85
86 11pm
87
149
149 2am
149
87
Station readings
10
CAMS model adj +3
84
146
84
83
83
83
84
84
84
84
84
84
83
83
83
83
83
83
84
84
146
146
146
84
AD 728×90

Air Quality Index Trend

6h · 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.

83.6%
Humidity
54.5 km/h
Wind NNW
1002.6 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
10
2.41 µg/m³
PM10▲
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Tokorozawa?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.52.41 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (27 stations within 25 km)
2.41
Median
12.06
Average
1.4
Low
26.8
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +20.7

What is the 7-day forecast for Tokorozawa?

07-21
33.4° 22.1°
14.19 mm
07-22
30.2° 23.7°
3.0 mm
07-23
27.8° 22.1°
0.56 mm
07-24
29.8° 23.6°
1.56 mm
07-25
32.9° 23.6°
07-26
30.3° 26.1°
0.13 mm
07-27
33.3° 24.9°
9.94 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Tokorozawa?

25
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 6.0 µg/m³
34
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 8.2 µg/m³
40
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 9.6 µg/m³
39
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 9.4 µg/m³
15
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
7.1 km PM2.5: 3.6 µg/m³
28
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.4 km PM2.5: 6.7 µg/m³
13
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.1 km PM2.5: 3.1 µg/m³
19
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
8.3 km PM2.5: 4.6 µg/m³
49
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
9.6 km PM2.5: 11.8 µg/m³
38
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
10.2 km PM2.5: 9.1 µg/m³

What cities are near Tokorozawa?

33 Akitsu 38 Higashiyamato 41 Higashimurayama 29 Kiyose 41 Higashikurume 54 Ōi 48 Musashimurayama 52 Miyoshidai 53 Sayama 49 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 2026-07-21T23:17 UTC.