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)
54
Moderate
Montclair, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.25 μg/m³
0
55
155
255
425
605+
25.35 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
4.80 ppb
0
54
101
361
1250
2050+
0.39 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 56
Moderate
12.14μg/m³
PM2.5
54.97μg/m³
PM10
20.15ppb
O3
0.77ppb
SO2
7.47ppb
NO2
0.40ppm
CO
AQI 60
Moderate
13.86μg/m³
PM2.5
62.67μg/m³
PM10
16.70ppb
O3
0.79ppb
SO2
6.15ppb
NO2
0.41ppm
CO
AQI 56
Moderate
11.79μg/m³
PM2.5
53.09μg/m³
PM10
20.80ppb
O3
0.75ppb
SO2
6.82ppb
NO2
0.39ppm
CO
AQI 58
Moderate
12.90μg/m³
PM2.5
49.28μg/m³
PM10
17.68ppb
O3
0.72ppb
SO2
4.14ppb
NO2
0.39ppm
CO
AQI 56
Moderate
12.22μg/m³
PM2.5
55.30μg/m³
PM10
20.79ppb
O3
0.75ppb
SO2
9.75ppb
NO2
0.46ppm
CO
AQI 58
Moderate
12.90μg/m³
PM2.5
49.28μg/m³
PM10
17.68ppb
O3
0.72ppb
SO2
4.14ppb
NO2
0.39ppm
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 03:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Montclair, New Jersey was observed at 07:00:00 on 2025-12-06.
The current air quality in Montclair, New Jersey is 54, categorized as Moderate 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 11.028 μg/m3.
The current PM10 concentration at Montclair, New Jersey is 40.252 μg/m3.
The current carbon monoxide (CO) concentration at Montclair, New Jersey is 0.389 ppm.
The current sulfur dioxide (SO2) concentration at Montclair, New Jersey is 0.741 ppb.
The current ozone (O3) concentration at Montclair, New Jersey is 25.354 ppm.
The current nitrogen dioxide (NO2) concentration at Montclair, New Jersey is 4.8 ppb.
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