Ruka hadi hali ya hewa
weather.ws

Akita, Japani

Hanawa · Ubora wa hewa

Jumatano, 4 Nov · Asia/Tokyo

Hanawa air quality

US air quality index

37

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Vichafuzi vyote

PM1
5 µg/m³
PM2.5
11 µg/m³
PM10
18 µg/m³
Ozoni
61.7 µg/m³
Dioksidi ya nitrojeni
1 µg/m³
Dioksidi ya salfa
1 µg/m³
Monoksidi ya kaboni
165.7 µg/m³
European AQI (separate scale)
2