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
5.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.68 μg/m³
0
55
155
255
425
605+
31.77 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
2.48 ppb
0
54
101
361
1250
2050+
0.19 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 38
Good
6.71μg/m³
PM2.5
13.65μg/m³
PM10
30.32ppb
O3
0.45ppb
SO2
1.54ppb
NO2
0.12ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
14.04μg/m³
PM10
30.11ppb
O3
0.44ppb
SO2
1.65ppb
NO2
0.12ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
15.48μg/m³
PM10
33.22ppb
O3
0.38ppb
SO2
1.60ppb
NO2
0.15ppm
CO
AQI 33
Good
5.98μg/m³
PM2.5
18.81μg/m³
PM10
26.47ppb
O3
0.49ppb
SO2
1.60ppb
NO2
0.14ppm
CO
AQI 33
Good
5.98μg/m³
PM2.5
18.81μg/m³
PM10
26.47ppb
O3
0.49ppb
SO2
1.60ppb
NO2
0.14ppm
CO
AQI 33
Good
6.50μg/m³
PM2.5
14.08μg/m³
PM10
31.27ppb
O3
0.43ppb
SO2
1.53ppb
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 08:00:00 on 2026-08-12.
In the last 24 hours, the best air quality in Rocky Hill, Connecticut was observed at 05:00:00 on 2026-08-12.
As of now, the AQI in Rocky Hill, Connecticut is 33, 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 5.756 μg/m3.
The PM10 concentration in Rocky Hill, Connecticut is 14.684 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rocky Hill, Connecticut is 0.194 ppm.
Currently, Rocky Hill, Connecticut has a sulfur dioxide (SO2) concentration of 0.349 ppb.
The current ozone (O3) level in Rocky Hill, Connecticut at the moment is 31.769 ppm.
Nitrogen dioxide (NO2) level in Rocky Hill, Connecticut at the moment is 2.48 ppb.
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