Air Quality in Nishi-Tokyo-shi, Japan

Windy
22.8°C · 66.3% humidity
22.8°
Feels 22.8°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
65 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 3am
22
29
30 6am
35
39
42 9am
44
45
46 12pm
47
48
60 3pm
60
61
78 6pm
79
78
61 9pm
49
49
49 12am
49
29
Station readings
25
41
48
25
CAMS model adj -5
27
27
34
54
54
54
54
54
54
54
54
54
66
66
66
83
84
83
66
54
54
54
54
34
AD 728×90

Air Quality Index Trend

31h · 1 stn

Nishi-Tokyo-shi'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 Nishi-Tokyo-shi is 1.4× the WHO annual guideline of 5 µg/m³.

66.3%
Humidity
152.4 km/h
Wind S
998.4 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.14 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Nishi-Tokyo-shi?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.57.14 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (65 stations within 25 km)
7.14
Median
6.79
Average
0.2
Low
13.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.4

What is the 7-day forecast for Nishi-Tokyo-shi?

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 Nishi-Tokyo-shi?

25
西東京市南町
0.5 km 99.5% RH PM2.5: 6.0 µg/m³ PM10: 9.0 µg/m³
10
Sekimae, Musashino, Tokyo, Japan (武蔵野市関前武蔵野市)
2.4 km PM2.5: 2.4 µg/m³
34
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
3.2 km PM2.5: 8.2 µg/m³
–
小金井市東町
3.4 km 99.4% RH
45
Shimorenjaku, Mitaka, Tokyo, Japan (連雀通り下連雀三鷹市)
4.7 km PM2.5: 10.8 µg/m³
40
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
5.2 km PM2.5: 9.6 µg/m³
10
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
6.3 km PM2.5: 2.4 µg/m³
11
Shakujiimachi, Nerima, Tokyo, Japan (練馬区石神井台練馬区)
6.3 km PM2.5: 2.6 µg/m³
41
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
8.8 km PM2.5: 9.8 µg/m³
9
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
8.8 km PM2.5: 2.2 µg/m³

What cities are near Nishi-Tokyo-shi?

29 Tanashichō 27 Musashino 28 Koganei 28 Kamirenjaku 26 Higashikurume 26 Sekimachi-minami 34 Kodaira 26 Inokashira 38 Kiyose 25 Kamiigusa
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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 2026-05-28T21:37 UTC.