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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.46 μg/m³
0
55
155
255
425
605+
36.22 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
10.04 ppb
0
54
101
361
1250
2050+
0.58 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Montclair, New Jersey
Montclair, New Jersey
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AQI 33
Good
4.75μg/m³
PM2.5
20.62μg/m³
PM10
35.66ppb
O3
0.46ppb
SO2
11.33ppb
NO2
0.70ppm
CO
AQI 33
Good
3.08μg/m³
PM2.5
25.35μg/m³
PM10
36.16ppb
O3
0.46ppb
SO2
10.02ppb
NO2
0.65ppm
CO
AQI 33
Good
5.11μg/m³
PM2.5
22.35μg/m³
PM10
35.73ppb
O3
0.46ppb
SO2
11.13ppb
NO2
0.67ppm
CO
AQI 33
Good
3.03μg/m³
PM2.5
15.73μg/m³
PM10
36.13ppb
O3
0.46ppb
SO2
9.72ppb
NO2
0.56ppm
CO
AQI 33
Good
4.83μg/m³
PM2.5
21.01μg/m³
PM10
35.54ppb
O3
0.46ppb
SO2
11.20ppb
NO2
0.79ppm
CO
AQI 33
Good
3.03μg/m³
PM2.5
15.73μg/m³
PM10
36.13ppb
O3
0.46ppb
SO2
9.72ppb
NO2
0.56ppm
CO
Air quality data and pollutant measurements for New Jersey, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Montclair, New Jersey is updated every hour.
The worst air quality in Montclair, New Jersey in the last 24 hours was observed at 12:00:00 on 2026-04-25.
In the last 24 hrs, the best air quality in Montclair, New Jersey was observed at 07:00:00 on 2026-04-25.
The current air quality in Montclair, New Jersey is 33, categorized as Good based on real-time data.
The most common pollutant in Montclair, New Jersey is O3.
If the air quality in Montclair, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Montclair, New Jersey is 3.263 μg/m3.
The current PM10 concentration at Montclair, New Jersey is 25.46 μg/m3.
The current carbon monoxide (CO) concentration at Montclair, New Jersey is 0.58 ppm.
The current sulfur dioxide (SO2) concentration at Montclair, New Jersey is 0.462 ppb.
The current ozone (O3) concentration at Montclair, New Jersey is 36.215 ppm.
The current nitrogen dioxide (NO2) concentration at Montclair, New Jersey is 10.04 ppb.
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