Stay updated with real-time air quality in Hillside, 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)
27
Good
Hillside, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.49 μg/m³
0
55
155
255
425
605+
15.99 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
11.52 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hillside, New Jersey
Hillside, New Jersey
Scroll To Air Quality MapLoading...
AQI 21
Good
2.81μg/m³
PM2.5
15.49μg/m³
PM10
23.12ppb
O3
0.20ppb
SO2
10.18ppb
NO2
0.20ppm
CO
AQI 21
Good
2.62μg/m³
PM2.5
11.71μg/m³
PM10
22.67ppb
O3
0.20ppb
SO2
9.96ppb
NO2
0.20ppm
CO
AQI 22
Good
2.59μg/m³
PM2.5
12.90μg/m³
PM10
23.55ppb
O3
0.20ppb
SO2
9.45ppb
NO2
0.20ppm
CO
AQI 22
Good
2.43μg/m³
PM2.5
11.38μg/m³
PM10
23.77ppb
O3
0.20ppb
SO2
9.04ppb
NO2
0.20ppm
CO
AQI 22
Good
2.38μg/m³
PM2.5
10.85μg/m³
PM10
23.82ppb
O3
0.20ppb
SO2
8.91ppb
NO2
0.20ppm
CO
AQI 20
Good
3.06μg/m³
PM2.5
18.95μg/m³
PM10
22.23ppb
O3
0.20ppb
SO2
13.82ppb
NO2
0.20ppm
CO
Air quality and pollutant data for New Jersey, 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 Hillside, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Hillside, New Jersey was at its worst at 03:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Hillside, New Jersey was observed at 12:00:00 on 2025-10-23.
As of now, the AQI in Hillside, New Jersey is 21, indicating Good conditions.
Hillside, New Jersey air has the highest levels of O3.
Poor air quality in Hillside, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hillside, New Jersey are currently 2.733 μg/m3.
The PM10 concentration in Hillside, New Jersey is 14.131 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hillside, New Jersey is 0.196 ppm.
Currently, Hillside, New Jersey has a sulfur dioxide (SO2) concentration of 0.203 ppb.
The current ozone (O3) level in Hillside, New Jersey at the moment is 23.087 ppm.
Nitrogen dioxide (NO2) level in Hillside, New Jersey at the moment is 9.995 ppb.
All Rights Reserved © Ambee Inc. 2025