Air Quality in Shimo-tsuma, Japan

Windy
22.8°C · 65.6% humidity
22.8°
Feels 22.8°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 4am
27
27
36 7am
34
34
34 10am
34
54
54 1pm
54
54
54 4pm
54
54
54 7pm
54
34
54 10pm
54
54
27 1am
27
25
AD 728×90

Air Quality Index Trend

47h · 52 stn

Shimo-tsuma'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 Shimo-tsuma is 1.7× the WHO annual guideline of 5 µg/m³.

65.6%
Humidity
122.5 km/h
Wind S
998.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.6 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Shimo-tsuma?

Temperature & Precipitation

PM2.5 Trend

47h · 52 stations
PM2.58.6 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (2 stations within 25 km)
8.6
Median
7.3
Average
6.0
Low
8.6
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +9.1

What is the 7-day forecast for Shimo-tsuma?

05-28
30.1° 14.2°
05-29
24.5° 18.3°
0.13 mm
05-30
24.8° 18.1°
2.44 mm
05-31
26.8° 19.3°
0.13 mm
06-01
26.2° 19.8°
06-02
24.4° 19.1°
06-03
28.7° 22.5°
0.5 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Shimo-tsuma?

17
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
0.6 km PM2.5: 4.1 µg/m³
64
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
0.6 km PM2.5: 18.3 µg/m³
34
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
16.7 km PM2.5: 8.2 µg/m³
21
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
19.9 km PM2.5: 5.0 µg/m³
70
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
20.3 km PM2.5: 21.1 µg/m³
46
Shimotakatsu, Tsuchiura, Ibaraki, Japan (土浦保健所土浦市)
23.7 km PM2.5: 11.0 µg/m³
42
Shimotakatsu, Tsuchiura, Ibaraki, Japan (土浦保健所土浦市)
23.7 km PM2.5: 10.1 µg/m³
30
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
23.8 km PM2.5: 7.2 µg/m³
34
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
23.8 km PM2.5: 8.2 µg/m³
38
Gakuendai, Saitama-ken, Japan (宮代南埼玉郡宮代町)
28.8 km PM2.5: 9.1 µg/m³

What cities are near Shimo-tsuma?

35 Yachiyo 34 Ishige 36 Shimodate 36 Chikusei 34 Yūki 40 Makabe 30 Bandō 32 Iwai 35 Jōsō 37 Tsukuba
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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 2026-05-28T22:52 UTC.