Connecticut Air Quality Index (AQI) and Air Pollution

The Connecticut Air Quality Index (AQI) today is 44 (Good). The dominant pollutant is O3. Other measured pollutants include NO₂ (10.1 ppb), SO₂ (1.7 ppb), CO (0.155 ppm), O₃ (0.048 ppm), PM10 (7.8µg/m³), PM2.5 (5 µg/m³), contributing to air pollution.

Live AQI

44(US-AQI)

Air Quality is

Good

Main Pollutant: O3

Last updated: just now

Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
50
100
150
200
300301+
Current Air Quality Index (AQI) undefined
13°C
54%
9 Km/h

Major Pollutants

PM2.5
Good

5 µg/m³

PM10
Good

7.8 µg/m³

O₃
Good

0.048 ppm

CO
Good

0.155 ppm

NO₂
Good

10.1 ppb

SO₂
Good

1.7 ppb

Explore City-wise Air Quality Index (AQI) in Connecticut

Frequently Asked Questions about Air Quality Connecticut