Italy
Rome
Lazio
EPA AQI34
PM2.5
6.1 ug/m3
Pollutant
pm25
Weather
19 C - Partly cloudy
Cig/day
0.3 cig/day
Compared
-17 AQI
91%
Humidity
2 km/h
Wind
US EPA
Standard
Live current-data comparison
Rome vs Tokyo AQI Comparison
Side-by-side US EPA AQI, PM2.5, dominant pollutant, weather, wind, and health-impact context for Italy and Japan.
Compare cities
vs
Good
vs
Japan
Tokyo
Tokyo
EPA AQI51
PM2.5
9.1 ug/m3
Pollutant
pm25
Weather
n/a
Cig/day
0.4 cig/day
Compared
+17 AQI
n/a
Humidity
n/a
Wind
US EPA
Standard
Live current-data comparison
Rome is cleaner right now
Rome is 17 AQI points cleaner than Tokyo right now.
Rome
34
US EPA - Good
Tokyo
51
US EPA - Moderate
PM2.5 gap
3.0 ug/m3
Tokyo's PM2.5 is 3.0 µg/m³ higher than Rome's right now.
Cigarette equivalent
0.1 cig/day gap
Breathing in Tokyo today is like smoking 0.1 more cigarettes than in Rome.
Life expectancy context
0.3 years gap
Long-term exposure in Tokyo costs an estimated 0.3 more life-years than in Rome (AQLI).
Temperature gap
n/a
Current Open-Meteo temperature spread.
Wind context
n/a
Wind can shift pollution concentration quickly.
AQI standard
US EPA
Both Rome and Tokyo AQI values use the US EPA scale for a fair, normalized comparison.
Health advice
Tokyo needs more caution
Tokyo is currently moderate on the US EPA scale at AQI 51. PM2.5 is 9.1 ug/m3, with an estimated 0.4 cig/day and 0.4 years life-expectancy context. Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
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