Air Quality in Nirasaki, Japan
Drizzle
20.7°C · 97.3% humidity
20.7°
Feels 20.7°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Nirasaki's air quality — share it
AQI Forecast
27
7am
27
25
68
10am
56
47
41
1pm
36
33
31
4pm
29
28
29
7pm
29
35
55
10pm
55
54
34
1am
34
34
27
4am
27
27
Air Quality Index Trend
43h · 3 stnNirasaki'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 Nirasaki is 1.3× the WHO 24-hour guideline of 15 µg/m³.
97.3%
Humidity
12.2 km/h
Wind SE
1004.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nirasaki?
Temperature & Precipitation
PM2.5 Trend
43h · 3 stationsPM2.520.2 µg/m³
×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (1 station within 25 km)
20.2
Median
20.2
Average
20.2
Low
20.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -13.9
What is the 7-day forecast for Nirasaki?
07-22
25.8° 19.1°
9.69 mm
07-23
24.4° 15.0°
3.13 mm
07-24
21.9° 21.3°
11.69 mm
07-25
27.3° 18.6°
7.13 mm
07-26
28.1° 18.3°
1.19 mm
07-27
27.3° 18.3°
4.06 mm
07-28
27.5° 20.3°
6.5 mm
Both models agree
Avg diff: 2.9°C
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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 2026-07-22T01:12 UTC.