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)
38
Good
Orange, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.16 μg/m³
0
55
155
255
425
605+
34.40 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
11.88 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Orange, Connecticut
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AQI 39
Good
7.08μg/m³
PM2.5
19.28μg/m³
PM10
41.91ppb
O3
0.41ppb
SO2
8.55ppb
NO2
0.22ppm
CO
AQI 38
Good
6.22μg/m³
PM2.5
16.00μg/m³
PM10
40.69ppb
O3
0.36ppb
SO2
10.67ppb
NO2
0.20ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
13.71μg/m³
PM10
28.35ppb
O3
0.38ppb
SO2
11.72ppb
NO2
0.21ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
13.71μg/m³
PM10
28.35ppb
O3
0.38ppb
SO2
11.72ppb
NO2
0.21ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
13.71μg/m³
PM10
28.35ppb
O3
0.38ppb
SO2
11.72ppb
NO2
0.21ppm
CO
AQI 38
Good
6.02μg/m³
PM2.5
15.06μg/m³
PM10
40.96ppb
O3
0.35ppb
SO2
11.27ppb
NO2
0.20ppm
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 02:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Orange, Connecticut was observed at 01:00:00 on 2026-05-13.
As of now, the AQI in Orange, Connecticut is 38, indicating Good conditions.
Orange, Connecticut air has the highest levels of PM2.5.
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 6.566 μg/m3.
The PM10 concentration in Orange, Connecticut is 12.16 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Orange, Connecticut is 0.256 ppm.
Currently, Orange, Connecticut has a sulfur dioxide (SO2) concentration of 0.372 ppb.
The current ozone (O3) level in Orange, Connecticut at the moment is 34.396 ppm.
Nitrogen dioxide (NO2) level in Orange, Connecticut at the moment is 11.875 ppb.
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