Real-time air quality index in Norco, California today
Stay updated with real-time air quality in Norco, California 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)
38
Good
Norco, California
Last updated: ... (Local time)
Common air pollutants in Norco, California
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
6.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
16.42 μg/m³
0
55
155
255
425
605+
Ozone (O3)
23.83 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.18 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
6.46 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Norco, California
Norco, California
Scroll To Air Quality Map
Track live Norco, California air quality forecast and history
Norco Loading...
Norco, California air quality map: Real-time AQI near you
Air quality in nearby cities
Eastvale, California
AQI 54
Moderate
10.01μg/m³
PM2.5
34.00μg/m³
PM10
55.73ppb
O3
0.36ppb
SO2
9.71ppb
NO2
0.18ppm
CO
Corona, California
AQI 60
Moderate
13.97μg/m³
PM2.5
29.56μg/m³
PM10
49.55ppb
O3
0.36ppb
SO2
6.41ppb
NO2
0.17ppm
CO
Home Gardens, California
AQI 60
Moderate
13.97μg/m³
PM2.5
29.56μg/m³
PM10
49.55ppb
O3
0.36ppb
SO2
6.41ppb
NO2
0.17ppm
CO
Jurupa Valley, California
AQI 58
Moderate
13.01μg/m³
PM2.5
33.00μg/m³
PM10
47.28ppb
O3
0.37ppb
SO2
2.94ppb
NO2
0.10ppm
CO
Chino, California
AQI 54
Moderate
8.87μg/m³
PM2.5
33.75μg/m³
PM10
55.53ppb
O3
0.34ppb
SO2
9.69ppb
NO2
0.19ppm
CO
Riverside, California
AQI 56
Moderate
11.64μg/m³
PM2.5
35.06μg/m³
PM10
52.03ppb
O3
0.25ppb
SO2
3.40ppb
NO2
0.19ppm
CO
How accurate is California, USA air quality data?
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Norco, California updated?
Air quality data for Norco, California is updated on an hourly basis.
When did Norco, California experience the worst air quality in the last 24 hours?
The worst air quality in Norco, California was recorded at 10:00:00 on 2025-07-19.
When did Norco, California have its best air quality in the last 24 hours?
The best air quality in Norco, California was recorded at 01:00:00 on 2025-07-20.
What is the real-time air quality index for Norco, California?
The real-time air quality index in Norco, California is 54, currently categorized as Moderate.
Which pollutant is found most often in Norco, California?
The most common pollutant in Norco, California is PM2.5.
What can I do if the air quality in Norco, California is poor?
If the air quality in Norco, California is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Norco, California?
The measured PM2.5 levels in Norco, California at present are 10.724 μg/m3.
What are the current PM10 levels at Norco, California?
The current PM10 levels in Norco, California are 33.603 μg/m3.
What are the current carbon monoxide (CO) levels at Norco, California?
The current carbon monoxide (CO) level in Norco, California is 0.173 ppm.
What are the current sulfur dioxide (SO2) levels at Norco, California?
The current sulfur dioxide (SO2) levels in Norco, California are 0.34 ppb.
What are the current ozone (O3) levels at Norco, California?
The current ozone (O3) levels at Norco, California is 52.831 ppm.
What are the current nitrogen dioxide (NO2) levels at Norco, California?
The current nitrogen dioxide (NO2) levels at Norco, California is 7.2 ppb.
All Rights Reserved © Ambee Inc. 2025