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)
19
Good
Orange, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.95 μg/m³
0
55
155
255
425
605+
21.21 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
3.85 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Orange, Connecticut
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AQI 20
Good
0.79μg/m³
PM2.5
3.25μg/m³
PM10
22.22ppb
O3
0.50ppb
SO2
3.22ppb
NO2
0.27ppm
CO
AQI 19
Good
0.81μg/m³
PM2.5
2.30μg/m³
PM10
21.38ppb
O3
0.51ppb
SO2
4.16ppb
NO2
0.29ppm
CO
AQI 21
Good
0.79μg/m³
PM2.5
2.62μg/m³
PM10
23.46ppb
O3
0.52ppb
SO2
3.40ppb
NO2
0.27ppm
CO
AQI 21
Good
0.79μg/m³
PM2.5
2.62μg/m³
PM10
23.46ppb
O3
0.52ppb
SO2
3.40ppb
NO2
0.27ppm
CO
AQI 21
Good
0.79μg/m³
PM2.5
2.62μg/m³
PM10
23.46ppb
O3
0.52ppb
SO2
3.40ppb
NO2
0.27ppm
CO
AQI 19
Good
0.80μg/m³
PM2.5
2.04μg/m³
PM10
21.05ppb
O3
0.52ppb
SO2
4.46ppb
NO2
0.30ppm
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 03:00:00 on 2026-09-28.
In the last 24 hours, the best air quality in Orange, Connecticut was observed at 09:00:00 on 2026-09-28.
As of now, the AQI in Orange, Connecticut is 19, 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 0.848 μg/m3.
The PM10 concentration in Orange, Connecticut is 4.946 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Orange, Connecticut is 0.282 ppm.
Currently, Orange, Connecticut has a sulfur dioxide (SO2) concentration of 0.751 ppb.
The current ozone (O3) level in Orange, Connecticut at the moment is 21.206 ppm.
Nitrogen dioxide (NO2) level in Orange, Connecticut at the moment is 3.846 ppb.
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