Air Quality in Ōmiya, Japan

Windy
21.8°C · 70.7% humidity
21.8°
Feels 21.8°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 4am
34
34
9 7am
16
14
18 10am
20
22
31 1pm
32
32
33 4pm
33
26
25 7pm
25
25
27 10pm
27
27
27 1am
27
27
AD 728×90

Air Quality Index Trend

47h · 6 stn

Ōmiya'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.

70.7%
Humidity
102.0 km/h
Wind S
998.1 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
9
2.24 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōmiya?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations
PM2.52.24 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (3 stations within 25 km)
2.24
Median
6.07
Average
2.2
Low
11.0
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +6.0

What is the 7-day forecast for Ōmiya?

05-28
27.8° 11.9°
05-29
22.3° 15.6°
5.75 mm
05-30
22.2° 16.1°
1.44 mm
05-31
23.6° 16.2°
0.25 mm
06-01
23.7° 16.8°
06-02
21.9° 15.4°
06-03
26.0° 18.9°
1.25 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Ōmiya?

34
Nonakacho, Hitachiomiya, Ibaraki, Japan (大宮野中常陸大宮市)
1.4 km PM2.5: 8.2 µg/m³
59
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
17.5 km PM2.5: 15.9 µg/m³
5
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
20.0 km PM2.5: 1.2 µg/m³
46
Miyatacho, Hitachi, Ibaraki, Japan (日立市役所日立市)
21.7 km PM2.5: 11.0 µg/m³
50
Ishii, Kasama, Ibaraki, Japan (笠間市役所笠間市)
24.3 km PM2.5: 12.0 µg/m³

What cities are near Ōmiya?

9 Hitachiomiya 16 Ishitsuka 15 Hitachi-ota 15 Tokai 13 Inada 15 Funaishikawa 9 Hitachi-Naka 45 Katsuta 21 Hitachi 49 Mito
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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 2026-05-28T22:51 UTC.