Air Quality Lab — Toyohashi, Japan
Air Quality Profile·
Toyohashi reports an annual PM2.5 of 11.4 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Toyohashi
Japan
JapanAnnual Average
FairWHO annual classification
11.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.19.1 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1010 µg/m³ — Good
1010 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
9.19.1 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1313 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1010 µg/m³ — Good
1010 µg/m³ — Fair
Best months: Jan, Nov–DecWorst months: May–Jul
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Japan
Toyohashi: 11.4 µg/m³. Typical range in Japan: 11.7–13.4 µg/m³. Low anchor: Hamamatsu, 10.0 µg/m³. High anchor: Tokyo, 14.5 µg/m³.
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