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)
33
Good
Hillsdale, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.29 μg/m³
0
55
155
255
425
605+
35.96 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
9.67 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hillsdale, New Jersey
Hillsdale, New Jersey
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AQI 33
Good
4.47μg/m³
PM2.5
19.89μg/m³
PM10
36.38ppb
O3
0.51ppb
SO2
11.05ppb
NO2
0.36ppm
CO
AQI 34
Good
4.54μg/m³
PM2.5
19.80μg/m³
PM10
36.79ppb
O3
0.51ppb
SO2
10.04ppb
NO2
0.37ppm
CO
AQI 34
Good
4.95μg/m³
PM2.5
21.55μg/m³
PM10
36.79ppb
O3
0.50ppb
SO2
8.48ppb
NO2
0.26ppm
CO
AQI 35
Good
5.20μg/m³
PM2.5
22.48μg/m³
PM10
37.52ppb
O3
0.48ppb
SO2
10.14ppb
NO2
0.35ppm
CO
AQI 35
Good
4.95μg/m³
PM2.5
21.34μg/m³
PM10
37.63ppb
O3
0.49ppb
SO2
9.93ppb
NO2
0.34ppm
CO
AQI 33
Good
4.72μg/m³
PM2.5
20.66μg/m³
PM10
36.41ppb
O3
0.51ppb
SO2
7.25ppb
NO2
0.19ppm
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 11:00:00 on 2026-04-24.
The best air quality in Hillsdale, New Jersey was recorded at 10:00:00 on 2026-04-25.
The real-time air quality index in Hillsdale, New Jersey is 33, 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 3.717 μg/m3.
The current PM10 levels in Hillsdale, New Jersey are 13.286 μg/m3.
The current carbon monoxide (CO) level in Hillsdale, New Jersey is 0.432 ppm.
The current sulfur dioxide (SO2) levels in Hillsdale, New Jersey are 0.45 ppb.
The current ozone (O3) levels at Hillsdale, New Jersey is 35.959 ppm.
The current nitrogen dioxide (NO2) levels at Hillsdale, New Jersey is 9.666 ppb.
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