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)
16
Good
Montclair, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.43 μg/m³
0
55
155
255
425
605+
12.24 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
14.56 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Montclair, New Jersey
Montclair, New Jersey
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AQI 27
Good
5.34μg/m³
PM2.5
23.22μg/m³
PM10
24.57ppb
O3
0.78ppb
SO2
8.61ppb
NO2
0.32ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
22.16μg/m³
PM10
24.29ppb
O3
0.81ppb
SO2
7.74ppb
NO2
0.32ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
19.99μg/m³
PM10
25.85ppb
O3
0.75ppb
SO2
8.24ppb
NO2
0.30ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
22.59μg/m³
PM10
24.21ppb
O3
0.75ppb
SO2
9.63ppb
NO2
0.34ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
22.93μg/m³
PM10
24.80ppb
O3
0.84ppb
SO2
7.99ppb
NO2
0.30ppm
CO
AQI 27
Good
5.30μg/m³
PM2.5
22.80μg/m³
PM10
24.31ppb
O3
0.77ppb
SO2
9.66ppb
NO2
0.34ppm
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 08:00:00 on 2026-08-05.
In the last 24 hrs, the best air quality in Montclair, New Jersey was observed at 02:00:00 on 2026-08-05.
The current air quality in Montclair, New Jersey is 27, categorized as Good based on real-time data.
The most common pollutant in Montclair, New Jersey is PM2.5.
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 5.413 μg/m3.
The current PM10 concentration at Montclair, New Jersey is 23.695 μg/m3.
The current carbon monoxide (CO) concentration at Montclair, New Jersey is 0.327 ppm.
The current sulfur dioxide (SO2) concentration at Montclair, New Jersey is 0.809 ppb.
The current ozone (O3) concentration at Montclair, New Jersey is 25.305 ppm.
The current nitrogen dioxide (NO2) concentration at Montclair, New Jersey is 8.131 ppb.
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