Air Quality in Masaki-chō, Japan

Drizzle
19.9°C · 85.9% humidity
19.9°
Feels 19.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
66 8pm
66
54
40 11pm
44
47
49 2am
50
51
32 5am
33
26
24 8am
25
25
25 11am
25
25
25 2pm
25
25
27 5pm
27
27
AD 728×90

Air Quality Index Trend

47h · 11 stn

Masaki-chō'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 Masaki-chō is 1.9× the WHO annual guideline of 5 µg/m³.

85.9%
Humidity
53.6 km/h
Wind SSW
1007.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
40
9.55 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.59.55 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
9.55
Median
11.7
Average
9.1
Low
14.5
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +10.8
05-29
19.9° 18.7°
16.06 mm
05-30
21.1° 19.2°
0.62 mm
05-31
19.9° 19.0°
06-01
21.0° 17.9°
2.81 mm
06-02
21.4° 19.7°
06-03
23.0° 18.2°
6.06 mm
06-04
21.5° 18.9°
0.88 mm
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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 2026-05-29T14:37 UTC.