Stay updated with real-time air quality in Hillsborough, New Jersey 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)
31
Good
Hillsborough, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.16 μg/m³
0
55
155
255
425
605+
34.15 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
3.02 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hillsborough, New Jersey
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AQI 32
Good
4.37μg/m³
PM2.5
12.55μg/m³
PM10
35.27ppb
O3
0.55ppb
SO2
3.12ppb
NO2
0.15ppm
CO
AQI 32
Good
5.14μg/m³
PM2.5
20.16μg/m³
PM10
35.22ppb
O3
0.53ppb
SO2
2.60ppb
NO2
0.15ppm
CO
AQI 34
Good
4.29μg/m³
PM2.5
19.52μg/m³
PM10
36.92ppb
O3
0.46ppb
SO2
2.52ppb
NO2
0.19ppm
CO
AQI 32
Good
5.14μg/m³
PM2.5
20.16μg/m³
PM10
35.22ppb
O3
0.53ppb
SO2
2.60ppb
NO2
0.15ppm
CO
AQI 31
Good
3.15μg/m³
PM2.5
12.76μg/m³
PM10
33.65ppb
O3
0.61ppb
SO2
2.30ppb
NO2
0.14ppm
CO
AQI 34
Good
6.11μg/m³
PM2.5
22.77μg/m³
PM10
36.81ppb
O3
0.47ppb
SO2
3.07ppb
NO2
0.14ppm
CO
Air quality data and pollutant measurements for New Jersey, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Hillsborough, New Jersey is updated every hour.
The worst air quality in Hillsborough, New Jersey in the last 24 hours was observed at 03:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Hillsborough, New Jersey was observed at 12:00:00 on 2026-01-23.
The current air quality in Hillsborough, New Jersey is 31, categorized as Good based on real-time data.
The most common pollutant in Hillsborough, New Jersey is O3.
If the air quality in Hillsborough, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hillsborough, New Jersey is 4.792 μg/m3.
The current PM10 concentration at Hillsborough, New Jersey is 14.16 μg/m3.
The current carbon monoxide (CO) concentration at Hillsborough, New Jersey is 0.152 ppm.
The current sulfur dioxide (SO2) concentration at Hillsborough, New Jersey is 0.523 ppb.
The current ozone (O3) concentration at Hillsborough, New Jersey is 34.146 ppm.
The current nitrogen dioxide (NO2) concentration at Hillsborough, New Jersey is 3.022 ppb.
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