What is the air quality in Horikiri today?

The current Air Quality Index (AQI) in Horikiri is 28 (Good). PM2.5 concentration is 6.7 µg/m³.

What is the temperature in Horikiri right now?

The current temperature in Horikiri is 16.8°C (feels like 16.8°C). Humidity is 74.3% and wind speed is 38.1 km/h.

Is it safe to go outside in Horikiri?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Horikiri, Japan

Drizzle

16.8°C · 74.3% humidity

16.8°

Feels 16.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

44 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 9h ago

AQI 69

PM2.5 20.6 µg/m³ · 9h ago

Air Quality Index Trend

39h · 1 stn

View full history →

Horikiri'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.

74.3%

Humidity

38.1 km/h

Wind N

1021.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.7 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Horikiri?

Temperature & Precipitation

PM2.5 Trend

39h · 1 station

PM2.56.7 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (44 stations within 25 km)

6.7

Median

7.91

Average

2.2

Low

30.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.7

What is the 7-day forecast for Horikiri?

10-21

22.2° 16.8°

0.88 mm

10-22

23.4° 18.5°

0.31 mm

10-23

23.0° 15.9°

10-24

22.1° 17.4°

0.25 mm

10-25

20.1° 14.9°

3.75 mm

10-26

20.6° 15.8°

0.19 mm

10-27

19.4° 15.2°

1.06 mm

Both models agree Avg diff: 2.9°C

Where are air quality stations near Horikiri?

Ayase, Adachi, Tokyo, Japan (足立区綾瀬足立区)

2.4 km PM2.5: 5.0 µg/m³

Kameari, Katsushika, Tokyo, Japan (環七通り亀有葛飾区)

3.1 km PM2.5: 7.2 µg/m³

Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)

3.6 km PM2.5: 8.2 µg/m³

スカイツリー１５０ｍ

4.3 km 65.5% RH PM2.5: 6.0 µg/m³ PM10: 12.0 µg/m³

–

スカイツリー３２５ｍ

4.3 km 81.0% RH PM2.5: -5.0 µg/m³ PM10: 3.0 µg/m³

Kamakura, Katsushika, Tokyo, Japan (葛飾区鎌倉葛飾区)

4.8 km PM2.5: 6.0 µg/m³

Mizumotokoen, Katsushika, Tokyo, Japan (葛飾区水元公園葛飾区)

5.8 km PM2.5: 7.2 µg/m³

Ojima, Koto, Tokyo, Japan (江東区大島江東区)

6.6 km PM2.5: 8.2 µg/m³

Kanda Tsukasamachi, Chiyoda, Tokyo, Japan (千代田区神田司町千代田区)

8.1 km PM2.5: 3.1 µg/m³

Nemoto, Matsudo, Chiba, Japan (松戸根本松戸市)

8.3 km PM2.5: 5.0 µg/m³

What cities are near Horikiri?

30 Sumida 29 Aoto 30 Katsushika 26 Adachi 24 Aoi 29 Kanamachi 30 Machiya 32 Asakusa 31 Arakawa 32 Hirai

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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 2026-10-21T08:31 UTC.