Air Quality in Omitama, Japan

Drizzle
22.5°C · 99.1% humidity
22.5°
Feels 22.5°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
34
60 9am
73
67
64 12pm
61
59
58 3pm
57
56
55 6pm
35
35
27 9pm
66
66
66 12am
66
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 16 stn

Omitama'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 Omitama is 1.1× the WHO 24-hour guideline of 15 µg/m³.

99.1%
Humidity
21.2 km/h
Wind N
1002.2 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.47 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Omitama?

Temperature & Precipitation

PM2.5 Trend

47h · 16 stations
PM2.516.47 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
16.47
Median
17.6
Average
15.0
Low
20.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -5.6

What is the 7-day forecast for Omitama?

07-22
24.7° 22.5°
18.44 mm
07-23
26.2° 19.4°
0.25 mm
07-24
28.9° 23.0°
0.13 mm
07-25
34.5° 21.0°
07-26
28.5° 20.4°
0.69 mm
07-27
29.1° 23.2°
2.75 mm
07-28
29.7° 23.5°
9.0 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Omitama?

21
Suginami, Ishioka, Ibaraki, Japan (石岡杉並石岡市)
10.2 km PM2.5: 5.0 µg/m³
42
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
15.9 km PM2.5: 10.1 µg/m³
80
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
16.2 km PM2.5: 25.9 µg/m³
27
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
16.2 km PM2.5: 6.5 µg/m³
57
Ishii, Kasama, Ibaraki, Japan (笠間市役所笠間市)
19.3 km PM2.5: 15.0 µg/m³
61
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
21.1 km PM2.5: 16.9 µg/m³
57
Shimotakatsu, Tsuchiura, Ibaraki, Japan (土浦保健所土浦市)
26.5 km PM2.5: 15.0 µg/m³
23
Shimotakatsu, Tsuchiura, Ibaraki, Japan (土浦保健所土浦市)
26.5 km PM2.5: 5.5 µg/m³
20
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
30.2 km PM2.5: 4.8 µg/m³
65
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
30.2 km PM2.5: 18.8 µg/m³

What cities are near Omitama?

62 Okunoya 57 Suginami 60 Mito 56 Tomobe 58 Ishioka 64 Kasumigaura 68 Hokota 55 Kasama 68 Ōarai 60 Katsuta
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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 2026-07-22T00:21 UTC.