Air Quality in Shimo-tsuma, Japan

Drizzle
22.7°C · 83.7% humidity
22.7°
Feels 22.7°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 5pm
16
16
28 8pm
25
21
20 11pm
19
18
16 2am
16
16
15 5am
15
16
16 8am
16
25
25 11am
25
45
45 2pm
45
45
Station readings 11h ago
AQI 15
PM2.5 3.6 µg/m³ · 11h ago
AD 728×90

Air Quality Index Trend

45h · 50 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.

83.7%
Humidity
21.2 km/h
Wind NE
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.72 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Shimo-tsuma?

Temperature & Precipitation

PM2.5 Trend

45h · 50 stations
PM2.56.72 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
6.72
Median
7.21
Average
3.1
Low
17.3
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -0.6

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

09-05
27.2° 20.9°
13.63 mm
09-06
29.4° 21.9°
0.81 mm
09-07
29.7° 22.9°
09-08
27.6° 21.5°
4.63 mm
09-09
27.0° 21.5°
6.94 mm
09-10
28.1° 22.2°
6.5 mm
09-11
31.3° 23.5°
0.38 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Shimo-tsuma?

50
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
0.6 km PM2.5: 12.0 µg/m³
9
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
0.6 km PM2.5: 2.2 µg/m³
50
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
16.7 km PM2.5: 12.0 µg/m³
17
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
19.9 km PM2.5: 4.1 µg/m³
13
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
20.3 km PM2.5: 3.1 µg/m³
17
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
20.3 km PM2.5: 4.1 µg/m³
21
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
20.3 km PM2.5: 5.0 µg/m³
17
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
20.8 km PM2.5: 4.1 µg/m³
21
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
20.8 km PM2.5: 5.0 µg/m³
68
Shimotakatsu, Tsuchiura, Ibaraki, Japan (土浦保健所土浦市)
23.7 km PM2.5: 20.2 µg/m³

What cities are near Shimo-tsuma?

28 Yachiyo 23 Ishige 32 Shimodate 35 Chikusei 34 Yūki 24 Makabe 20 Bandō 20 Iwai 15 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 2026-09-05T11:15 UTC.