Air Quality in Yonezawa, Japan

Rain
18.3°C · 98.3% humidity
18.3°
Feels 18.3°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
25 5pm
25
25
57 8pm
48
41
37 11pm
32
30
28 2am
27
26
26 5am
25
25
25 8am
24
25
25 11am
27
27
27 2pm
34
34
AD 728×90

Air Quality Index Trend

44h · 3 stn

Yonezawa'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.

98.3%
Humidity
16.7 km/h
Wind ESE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
57
15.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yonezawa?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations
PM2.515.0 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
15.0
Median
15.0
Average
15.0
Low
15.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -9.0

What is the 7-day forecast for Yonezawa?

09-05
24.2° 16.6°
4.75 mm
09-06
22.1° 17.6°
1.56 mm
09-07
25.1° 16.7°
0.13 mm
09-08
21.7° 17.3°
11.94 mm
09-09
20.9° 16.3°
0.38 mm
09-10
23.3° 18.4°
6.94 mm
09-11
27.2° 17.4°
0.62 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Yonezawa?

17
Kanaike, Yonezawa, Yamagata, Japan (米沢金池米沢市)
1.1 km PM2.5: 4.1 µg/m³
15
Koyacho, Nagai, Yamagata, Japan (長井高野長井市)
23.4 km PM2.5: 3.6 µg/m³

What cities are near Yonezawa?

57 Takahata 57 Nanyō 57 Nagai 57 Kaminoyama 19 Date 19 Fukushima 25 Kitakata 19 Hobaramachi 65 Yamagata 19 Yanagawamachi-saiwaichō
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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 2026-09-05T11:15 UTC.