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)
31
Good
Hillside, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.58 μg/m³
0
55
155
255
425
605+
33.10 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
3.48 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hillside, New Jersey
Hillside, New Jersey
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AQI 30
Good
4.39μg/m³
PM2.5
17.99μg/m³
PM10
32.49ppb
O3
0.86ppb
SO2
4.32ppb
NO2
0.14ppm
CO
AQI 30
Good
4.66μg/m³
PM2.5
19.23μg/m³
PM10
32.33ppb
O3
0.85ppb
SO2
4.05ppb
NO2
0.11ppm
CO
AQI 30
Good
4.52μg/m³
PM2.5
18.49μg/m³
PM10
32.40ppb
O3
0.84ppb
SO2
4.20ppb
NO2
0.13ppm
CO
AQI 30
Good
4.59μg/m³
PM2.5
18.72μg/m³
PM10
32.34ppb
O3
0.82ppb
SO2
4.12ppb
NO2
0.13ppm
CO
AQI 30
Good
4.61μg/m³
PM2.5
18.80μg/m³
PM10
32.32ppb
O3
0.82ppb
SO2
4.10ppb
NO2
0.13ppm
CO
AQI 31
Good
3.62μg/m³
PM2.5
14.76μg/m³
PM10
32.72ppb
O3
0.89ppb
SO2
5.06ppb
NO2
0.16ppm
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 05:00:00 on 2026-01-24.
In the last 24 hours, the best air quality in Hillside, New Jersey was observed at 08:00:00 on 2026-01-23.
As of now, the AQI in Hillside, New Jersey is 31, 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 3.393 μg/m3.
The PM10 concentration in Hillside, New Jersey is 13.578 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hillside, New Jersey is 0.128 ppm.
Currently, Hillside, New Jersey has a sulfur dioxide (SO2) concentration of 0.856 ppb.
The current ozone (O3) level in Hillside, New Jersey at the moment is 33.101 ppm.
Nitrogen dioxide (NO2) level in Hillside, New Jersey at the moment is 3.481 ppb.
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