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)
56
Moderate
Rocky Hill, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.33 μg/m³
0
55
155
255
425
605+
40.12 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
4.36 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rocky Hill, Connecticut
Rocky Hill, Connecticut
Scroll To Air Quality MapLoading...
AQI 54
Moderate
11.46μg/m³
PM2.5
23.66μg/m³
PM10
33.89ppb
O3
0.27ppb
SO2
3.86ppb
NO2
0.12ppm
CO
AQI 54
Moderate
11.31μg/m³
PM2.5
25.15μg/m³
PM10
34.27ppb
O3
0.27ppb
SO2
4.33ppb
NO2
0.13ppm
CO
AQI 52
Moderate
10.10μg/m³
PM2.5
42.96μg/m³
PM10
34.09ppb
O3
0.27ppb
SO2
5.14ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
23.58μg/m³
PM10
35.02ppb
O3
0.27ppb
SO2
3.93ppb
NO2
0.15ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
23.58μg/m³
PM10
35.02ppb
O3
0.27ppb
SO2
3.93ppb
NO2
0.15ppm
CO
AQI 54
Moderate
11.19μg/m³
PM2.5
27.39μg/m³
PM10
33.47ppb
O3
0.27ppb
SO2
3.95ppb
NO2
0.13ppm
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 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Rocky Hill, Connecticut was observed at 02:00:00 on 2026-06-29.
As of now, the AQI in Rocky Hill, Connecticut is 56, indicating Moderate 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 12.107 μg/m3.
The PM10 concentration in Rocky Hill, Connecticut is 38.331 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rocky Hill, Connecticut is 0.152 ppm.
Currently, Rocky Hill, Connecticut has a sulfur dioxide (SO2) concentration of 0.275 ppb.
The current ozone (O3) level in Rocky Hill, Connecticut at the moment is 40.117 ppm.
Nitrogen dioxide (NO2) level in Rocky Hill, Connecticut at the moment is 4.358 ppb.
All Rights Reserved © Ambee Inc. 2025