Air Quality in Tokorozawa, Japan

Windy
22.8°C · 66.3% humidity
22.8°
Feels 22.8°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
46 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 4am
23
43
32 7am
35
37
39 10am
40
41
42 1pm
42
54
54 4pm
55
72
73 7pm
72
55
43 10pm
43
43
43 1am
23
23
Station readings
41
48
25
11
CAMS model adj -11
27
34
54
54
54
54
54
54
54
54
54
66
66
66
83
84
83
66
54
54
54
54
34
34
AD 728×90

Air Quality Index Trend

31h · 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. Current PM2.5 concentration in Tokorozawa is 1.5× the WHO annual guideline of 5 µg/m³.

66.3%
Humidity
152.4 km/h
Wind S
998.4 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.7 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Tokorozawa?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.57.7 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (46 stations within 25 km)
7.7
Median
7.53
Average
4.0
Low
11.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +3.2

What is the 7-day forecast for Tokorozawa?

05-28
29.9° 15.9°
05-29
24.9° 19.9°
0.06 mm
05-30
24.8° 19.7°
0.44 mm
05-31
27.1° 20.3°
06-01
28.2° 21.4°
06-02
27.4° 20.8°
0.06 mm
06-03
28.1° 23.1°
0.06 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Tokorozawa?

9
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 2.2 µg/m³
25
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 6.0 µg/m³
38
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 9.1 µg/m³
33
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 7.9 µg/m³
34
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
7.1 km PM2.5: 8.2 µg/m³
38
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.4 km PM2.5: 9.1 µg/m³
10
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.1 km PM2.5: 2.4 µg/m³
5
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
8.3 km PM2.5: 1.2 µg/m³
46
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
9.6 km PM2.5: 11.0 µg/m³
41
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
10.2 km PM2.5: 9.8 µg/m³

What cities are near Tokorozawa?

30 Akitsu 34 Higashiyamato 43 Higashimurayama 26 Kiyose 23 Higashikurume 35 Ōi 32 Musashimurayama 35 Miyoshidai 35 Sayama 22 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 2026-05-28T22:53 UTC.