Air Quality in Tachikawa, Japan

Windy
22.8°C · 66.3% humidity
22.8°
Feels 22.8°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
38 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
43 6am
43
43
33 9am
36
38
39 12pm
40
41
54 3pm
54
54
72 6pm
73
72
55 9pm
43
43
43 12am
43
23
23 3am
23
23
Station readings
25
11
CAMS model adj -11
54
54
54
54
54
54
54
54
54
66
66
66
83
84
83
66
54
54
54
54
34
34
34
34
AD 728×90

Air Quality Index Trend

29h · 1 stn

Tachikawa'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 Tachikawa is 1.6× the WHO annual guideline of 5 µg/m³.

66.3%
Humidity
152.4 km/h
Wind S
998.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.91 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Tachikawa?

Temperature & Precipitation

PM2.5 Trend

29h · 1 station
PM2.57.91 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (38 stations within 25 km)
7.91
Median
6.98
Average
1.7
Low
14.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +5.6

What is the 7-day forecast for Tachikawa?

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
06-04
26.5° 18.8°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Tachikawa?

31
Yaho, Kunitachi, Tokyo, Japan (甲州街道国立国立市)
3.8 km PM2.5: 7.4 µg/m³
46
府中市四谷
5.3 km 87.8% RH PM2.5: 11.0 µg/m³ PM10: 15.0 µg/m³
14
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
5.8 km PM2.5: 3.4 µg/m³
27
Ochikawa, Hino, Tokyo, Japan (川崎街道百草園日野市)
6.5 km PM2.5: 6.5 µg/m³
37
Ochikawa, Hino, Tokyo, Japan (川崎街道百草園日野市)
6.5 km PM2.5: 8.9 µg/m³
33
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.5 km PM2.5: 7.9 µg/m³
44
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.5 km PM2.5: 10.6 µg/m³
–
小金井市東町
9.7 km 88.9% RH
18
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
10.1 km PM2.5: 4.3 µg/m³
13
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
10.2 km PM2.5: 3.1 µg/m³

What cities are near Tachikawa?

28 Kunitachi 35 Akishima 34 Musashimurayama 35 Hino 31 Kokubunji 34 Yokota 32 Kodaira 34 Higashiyamato 40 Higashimurayama 32 Fuchū
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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 2026-05-29T00:11 UTC.