Air Quality in Tokorozawa, Japan

Windy
23.1°C · 64.2% humidity
23.1°
Feels 23.1°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
43 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 9am
21
21
27 12pm
25
24
23 3pm
23
22
39 6pm
40
39
38 9pm
39
39
39 12am
101
39
39 3am
38
21
21 6am
9
9
Station readings
4
4
CAMS model adj -45
83
66
66
66
66
66
66
66
66
83
84
84
83
84
84
84
146
84
84
83
66
66
54
54
AD 728×90

Air Quality Index Trend

36h · 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.

64.2%
Humidity
59.3 km/h
Wind S
1014.8 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.49 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tokorozawa?

Temperature & Precipitation

PM2.5 Trend

36h · 1 station
PM2.56.49 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (43 stations within 25 km)
6.49
Median
4.38
Average
0.94
Low
11.0
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +6.4

What is the 7-day forecast for Tokorozawa?

06-09
23.3° 21.5°
0.13 mm
06-10
28.6° 19.0°
3.81 mm
06-11
26.3° 19.7°
0.38 mm
06-12
24.3° 19.6°
1.0 mm
06-13
30.7° 21.4°
3.69 mm
06-14
29.7° 18.3°
39.69 mm
06-15
27.2° 21.0°
12.0 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Tokorozawa?

22
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 5.3 µg/m³
21
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
4.6 km PM2.5: 5.0 µg/m³
60
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 16.4 µg/m³
25
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.9 km PM2.5: 6.0 µg/m³
25
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
7.1 km PM2.5: 6.0 µg/m³
27
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.4 km PM2.5: 6.5 µg/m³
25
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.1 km PM2.5: 6.0 µg/m³
42
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
8.3 km PM2.5: 10.1 µg/m³
–
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
9.6 km
69
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
10.2 km PM2.5: 20.7 µg/m³

What cities are near Tokorozawa?

20 Akitsu 19 Higashiyamato 18 Higashimurayama 20 Kiyose 21 Higashikurume 17 Ōi 18 Musashimurayama 17 Miyoshidai 19 Sayama 16 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 2026-06-09T03:04 UTC.