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
10.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.36 μg/m³
0
55
155
255
425
605+
44.75 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
18.11 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Montclair, New Jersey
Montclair, New Jersey
Scroll To Air Quality MapLoading...
AQI 38
Good
6.77μg/m³
PM2.5
29.27μg/m³
PM10
39.80ppb
O3
0.81ppb
SO2
6.01ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.29μg/m³
PM2.5
46.70μg/m³
PM10
44.12ppb
O3
0.87ppb
SO2
15.29ppb
NO2
0.34ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
29.27μg/m³
PM10
39.80ppb
O3
0.81ppb
SO2
6.01ppb
NO2
0.32ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
48.31μg/m³
PM10
44.50ppb
O3
0.93ppb
SO2
20.52ppb
NO2
0.40ppm
CO
AQI 52
Moderate
9.56μg/m³
PM2.5
43.25μg/m³
PM10
42.12ppb
O3
0.86ppb
SO2
14.53ppb
NO2
0.33ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
49.97μg/m³
PM10
45.68ppb
O3
0.93ppb
SO2
20.21ppb
NO2
0.40ppm
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 09:00:00 on 2026-08-13.
In the last 24 hrs, the best air quality in Montclair, New Jersey was observed at 03:00:00 on 2026-08-14.
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 10.671 μg/m3.
The current PM10 concentration at Montclair, New Jersey is 48.357 μg/m3.
The current carbon monoxide (CO) concentration at Montclair, New Jersey is 0.368 ppm.
The current sulfur dioxide (SO2) concentration at Montclair, New Jersey is 0.894 ppb.
The current ozone (O3) concentration at Montclair, New Jersey is 44.75 ppm.
The current nitrogen dioxide (NO2) concentration at Montclair, New Jersey is 18.107 ppb.
All Rights Reserved © Ambee Inc. 2025