Stay updated with real-time air quality in Rocky Hill, 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)
44
Good
Rocky Hill, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.37 μg/m³
0
55
155
255
425
605+
26.96 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
8.61 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rocky Hill, Connecticut
Rocky Hill, Connecticut
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AQI 62
Moderate
14.70μg/m³
PM2.5
23.05μg/m³
PM10
3.75ppb
O3
0.26ppb
SO2
15.49ppb
NO2
0.64ppm
CO
AQI 60
Moderate
14.45μg/m³
PM2.5
23.22μg/m³
PM10
4.03ppb
O3
0.26ppb
SO2
16.07ppb
NO2
0.62ppm
CO
AQI 45
Good
8.16μg/m³
PM2.5
48.55μg/m³
PM10
3.98ppb
O3
0.27ppb
SO2
17.44ppb
NO2
0.47ppm
CO
AQI 56
Moderate
12.46μg/m³
PM2.5
32.47μg/m³
PM10
4.68ppb
O3
0.27ppb
SO2
25.19ppb
NO2
0.48ppm
CO
AQI 56
Moderate
12.46μg/m³
PM2.5
32.47μg/m³
PM10
4.68ppb
O3
0.27ppb
SO2
25.19ppb
NO2
0.48ppm
CO
AQI 60
Moderate
14.46μg/m³
PM2.5
24.75μg/m³
PM10
3.17ppb
O3
0.26ppb
SO2
14.45ppb
NO2
0.61ppm
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 Rocky Hill, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Rocky Hill, Connecticut was at its worst at 09:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in Rocky Hill, Connecticut was observed at 04:00:00 on 2025-11-02.
As of now, the AQI in Rocky Hill, Connecticut is 38, indicating Good conditions.
Rocky Hill, Connecticut air has the highest levels of PM2.5.
Poor air quality in Rocky Hill, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Rocky Hill, Connecticut are currently 6.82 μg/m3.
The PM10 concentration in Rocky Hill, Connecticut is 32.503 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rocky Hill, Connecticut is 0.471 ppm.
Currently, Rocky Hill, Connecticut has a sulfur dioxide (SO2) concentration of 0.253 ppb.
The current ozone (O3) level in Rocky Hill, Connecticut at the moment is 3.624 ppm.
Nitrogen dioxide (NO2) level in Rocky Hill, Connecticut at the moment is 17.808 ppb.
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