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
2.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.36 μg/m³
0
55
155
255
425
605+
34.14 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
10.14 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Hillside, New Jersey
Hillside, New Jersey
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AQI 31
Good
2.90μg/m³
PM2.5
13.01μg/m³
PM10
34.08ppb
O3
0.44ppb
SO2
9.53ppb
NO2
0.43ppm
CO
AQI 31
Good
3.29μg/m³
PM2.5
14.95μg/m³
PM10
33.89ppb
O3
0.44ppb
SO2
11.80ppb
NO2
0.34ppm
CO
AQI 32
Good
2.66μg/m³
PM2.5
11.95μg/m³
PM10
34.70ppb
O3
0.44ppb
SO2
9.73ppb
NO2
0.42ppm
CO
AQI 32
Good
2.46μg/m³
PM2.5
11.07μg/m³
PM10
35.05ppb
O3
0.44ppb
SO2
9.79ppb
NO2
0.41ppm
CO
AQI 32
Good
2.41μg/m³
PM2.5
10.85μg/m³
PM10
35.15ppb
O3
0.44ppb
SO2
9.85ppb
NO2
0.41ppm
CO
AQI 31
Good
4.33μg/m³
PM2.5
19.30μg/m³
PM10
33.05ppb
O3
0.43ppb
SO2
12.02ppb
NO2
0.75ppm
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 01:00:00 on 2026-04-25.
In the last 24 hours, the best air quality in Hillside, New Jersey was observed at 11:00:00 on 2026-04-25.
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 2.972 μg/m3.
The PM10 concentration in Hillside, New Jersey is 13.36 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hillside, New Jersey is 0.409 ppm.
Currently, Hillside, New Jersey has a sulfur dioxide (SO2) concentration of 0.44 ppb.
The current ozone (O3) level in Hillside, New Jersey at the moment is 34.141 ppm.
Nitrogen dioxide (NO2) level in Hillside, New Jersey at the moment is 10.142 ppb.
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