Stay updated with real-time air quality in Orange, Connecticut featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
41
Good
Orange, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.48 μg/m³
0
55
155
255
425
605+
43.60 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
6.70 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Orange, Connecticut
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AQI 44
Good
5.48μg/m³
PM2.5
14.81μg/m³
PM10
46.75ppb
O3
0.40ppb
SO2
5.59ppb
NO2
0.18ppm
CO
AQI 42
Good
5.30μg/m³
PM2.5
13.63μg/m³
PM10
44.63ppb
O3
0.32ppb
SO2
10.14ppb
NO2
0.12ppm
CO
AQI 40
Good
5.57μg/m³
PM2.5
15.86μg/m³
PM10
42.64ppb
O3
0.36ppb
SO2
5.26ppb
NO2
0.17ppm
CO
AQI 40
Good
5.57μg/m³
PM2.5
15.86μg/m³
PM10
42.64ppb
O3
0.36ppb
SO2
5.26ppb
NO2
0.17ppm
CO
AQI 40
Good
5.57μg/m³
PM2.5
15.86μg/m³
PM10
42.64ppb
O3
0.36ppb
SO2
5.26ppb
NO2
0.17ppm
CO
AQI 41
Good
5.21μg/m³
PM2.5
13.07μg/m³
PM10
44.09ppb
O3
0.30ppb
SO2
11.57ppb
NO2
0.10ppm
CO
Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Orange, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Orange, Connecticut was at its worst at 01:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Orange, Connecticut was observed at 03:00:00 on 2026-03-29.
As of now, the AQI in Orange, Connecticut is 41, indicating Good conditions.
Orange, Connecticut air has the highest levels of O3.
Poor air quality in Orange, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Orange, Connecticut are currently 5.427 μg/m3.
The PM10 concentration in Orange, Connecticut is 13.478 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Orange, Connecticut is 0.159 ppm.
Currently, Orange, Connecticut has a sulfur dioxide (SO2) concentration of 0.342 ppb.
The current ozone (O3) level in Orange, Connecticut at the moment is 43.601 ppm.
Nitrogen dioxide (NO2) level in Orange, Connecticut at the moment is 6.704 ppb.
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