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)
33
Good
Rocky Hill, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.64 μg/m³
0
55
155
255
425
605+
35.56 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
14.56 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rocky Hill, Connecticut
Rocky Hill, Connecticut
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AQI 36
Good
6.15μg/m³
PM2.5
17.12μg/m³
PM10
38.80ppb
O3
0.24ppb
SO2
13.14ppb
NO2
0.21ppm
CO
AQI 36
Good
6.36μg/m³
PM2.5
17.86μg/m³
PM10
38.80ppb
O3
0.24ppb
SO2
13.97ppb
NO2
0.21ppm
CO
AQI 40
Good
5.82μg/m³
PM2.5
17.13μg/m³
PM10
43.12ppb
O3
0.25ppb
SO2
11.23ppb
NO2
0.22ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
13.50μg/m³
PM10
33.08ppb
O3
0.24ppb
SO2
11.09ppb
NO2
0.21ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
13.50μg/m³
PM10
33.08ppb
O3
0.24ppb
SO2
11.09ppb
NO2
0.21ppm
CO
AQI 37
Good
5.69μg/m³
PM2.5
16.00μg/m³
PM10
40.38ppb
O3
0.24ppb
SO2
11.13ppb
NO2
0.21ppm
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 10:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Rocky Hill, Connecticut was observed at 01:00:00 on 2026-05-13.
As of now, the AQI in Rocky Hill, Connecticut is 33, indicating Good conditions.
Rocky Hill, Connecticut air has the highest levels of O3.
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 5.606 μg/m3.
The PM10 concentration in Rocky Hill, Connecticut is 12.636 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rocky Hill, Connecticut is 0.265 ppm.
Currently, Rocky Hill, Connecticut has a sulfur dioxide (SO2) concentration of 0.225 ppb.
The current ozone (O3) level in Rocky Hill, Connecticut at the moment is 35.558 ppm.
Nitrogen dioxide (NO2) level in Rocky Hill, Connecticut at the moment is 14.559 ppb.
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