Stay updated with real-time air quality in Hillsdale, 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)
29
Good
Hillsdale, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.13 μg/m³
0
55
155
255
425
605+
31.08 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
15.31 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hillsdale, New Jersey
Hillsdale, New Jersey
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AQI 31
Good
2.81μg/m³
PM2.5
13.82μg/m³
PM10
34.21ppb
O3
0.74ppb
SO2
15.13ppb
NO2
0.23ppm
CO
AQI 31
Good
3.09μg/m³
PM2.5
11.51μg/m³
PM10
33.84ppb
O3
0.68ppb
SO2
12.54ppb
NO2
0.24ppm
CO
AQI 32
Good
2.71μg/m³
PM2.5
9.89μg/m³
PM10
35.01ppb
O3
0.74ppb
SO2
13.41ppb
NO2
0.25ppm
CO
AQI 31
Good
2.07μg/m³
PM2.5
9.04μg/m³
PM10
33.79ppb
O3
0.77ppb
SO2
12.22ppb
NO2
0.25ppm
CO
AQI 31
Good
2.27μg/m³
PM2.5
9.96μg/m³
PM10
33.41ppb
O3
0.76ppb
SO2
11.55ppb
NO2
0.25ppm
CO
AQI 30
Good
3.07μg/m³
PM2.5
13.54μg/m³
PM10
31.78ppb
O3
0.80ppb
SO2
11.99ppb
NO2
0.18ppm
CO
Air quality measurements for New Jersey, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Hillsdale, New Jersey is updated on an hourly basis.
The worst air quality in Hillsdale, New Jersey was recorded at 06:00:00 on 2025-12-08.
The best air quality in Hillsdale, New Jersey was recorded at 03:00:00 on 2025-12-08.
The real-time air quality index in Hillsdale, New Jersey is 29, currently categorized as Good.
The most common pollutant in Hillsdale, New Jersey is O3.
If the air quality in Hillsdale, New Jersey is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hillsdale, New Jersey at present are 3.361 μg/m3.
The current PM10 levels in Hillsdale, New Jersey are 15.128 μg/m3.
The current carbon monoxide (CO) level in Hillsdale, New Jersey is 0.247 ppm.
The current sulfur dioxide (SO2) levels in Hillsdale, New Jersey are 0.676 ppb.
The current ozone (O3) levels at Hillsdale, New Jersey is 31.077 ppm.
The current nitrogen dioxide (NO2) levels at Hillsdale, New Jersey is 15.314 ppb.
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