Ruka hadi hali ya hewa
weather.ws

Massachusetts, Marekani

Orient Heights · Ubora wa hewa

Jumatano, 28 Okt · America/New York

Orient Heights air quality

US air quality index

30

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
25 µg/m³
PM2.5
14 µg/m³
PM10
27 µg/m³
Ozoni
6.8 µg/m³
Dioksidi ya nitrojeni
41 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
486 µg/m³
European AQI (separate scale)
2