Air Quality in Tachikawa, Japan

Partly Cloudy
19.9°C · 58.0% humidity
19.9°
Feels 19.9°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
29 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
1 5am
21
21
34 8am
30
40
38 11am
24
23
23 2pm
22
22
22 5pm
21
21
21 8pm
21
33
33 11pm
33
33
33 2am
33
33
Station readings
18
10
4
CAMS model adj -33
34
54
54
54
54
66
66
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
66
66
AD 728×90

Air Quality Index Trend

27h · 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.

58.0%
Humidity
31.3 km/h
Wind E
1017.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
34
8.12 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Tachikawa?

Temperature & Precipitation

PM2.5 Trend

27h · 1 station
PM2.58.12 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (29 stations within 25 km)
8.12
Median
8.26
Average
1.64
Low
24.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +8.2

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: 3.4°C

Where are air quality stations near Tachikawa?

34
Yaho, Kunitachi, Tokyo, Japan (甲州街道国立国立市)
3.8 km PM2.5: 8.2 µg/m³
42
府中市四谷
5.3 km 59.1% RH PM2.5: 10.0 µg/m³ PM10: 11.0 µg/m³
46
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
5.8 km PM2.5: 11.0 µg/m³
34
Ochikawa, Hino, Tokyo, Japan (川崎街道百草園日野市)
6.5 km PM2.5: 8.2 µg/m³
17
Ochikawa, Hino, Tokyo, Japan (川崎街道百草園日野市)
6.5 km PM2.5: 4.1 µg/m³
14
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.5 km PM2.5: 3.4 µg/m³
42
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.5 km PM2.5: 10.1 µg/m³
21
小金井市東町
9.7 km 67.4% RH PM2.5: 5.0 µg/m³ PM10: 11.0 µg/m³
39
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
10.1 km PM2.5: 9.4 µg/m³
20
Chuocho, Higashikurume, Tokyo, Japan (小金井街道東久留米東久留米市)
10.2 km PM2.5: 4.8 µg/m³

What cities are near Tachikawa?

35 Kunitachi 47 Akishima 38 Musashimurayama 35 Hino 33 Kokubunji 48 Yokota 34 Kodaira 38 Higashiyamato 42 Higashimurayama 33 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 2026-05-29T23:40 UTC.