Stay updated with real-time air quality in Rosemont, 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)
28
Good
Rosemont, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.25 μg/m³
0
55
155
255
425
605+
30.12 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
3.29 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rosemont, California
Rosemont, California
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AQI 28
Good
3.33μg/m³
PM2.5
15.25μg/m³
PM10
30.12ppb
O3
1.11ppb
SO2
3.29ppb
NO2
0.24ppm
CO
AQI 28
Good
3.27μg/m³
PM2.5
15.26μg/m³
PM10
30.18ppb
O3
1.12ppb
SO2
3.69ppb
NO2
0.23ppm
CO
AQI 28
Good
3.86μg/m³
PM2.5
19.09μg/m³
PM10
30.23ppb
O3
1.11ppb
SO2
3.74ppb
NO2
0.22ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
24.18μg/m³
PM10
31.33ppb
O3
1.13ppb
SO2
3.11ppb
NO2
0.23ppm
CO
AQI 28
Good
4.35μg/m³
PM2.5
18.54μg/m³
PM10
30.16ppb
O3
1.12ppb
SO2
3.12ppb
NO2
0.23ppm
CO
AQI 28
Good
3.13μg/m³
PM2.5
17.24μg/m³
PM10
30.18ppb
O3
1.11ppb
SO2
3.85ppb
NO2
0.22ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Rosemont, California are available every hour.
Rosemont, California experienced its worst air quality at 11:00:00, 2025-06-06.
The best air quality in Rosemont, California was observed at 01:00:00 on 2025-06-06.
The air quality in Rosemont, California right now is Good, with an AQI of 28.
In Rosemont, California, O3 is the most frequently found pollutant.
When air quality in Rosemont, California is compromised, staying indoors and wearing a mask can reduce health risks.
Rosemont, California currently has a PM2.5 concentration of 3.329 μg/m3.
Rosemont, California currently has a PM10 concentration of 15.254 μg/m3.
The current carbon monoxide (CO) level in Rosemont, California is 0.236 ppm.
The current sulfur dioxide (SO2) concentration in Rosemont, California is 1.115 ppb.
Rosemont, California currently has an ozone (O3) concentration of 30.122 ppm.
The current level of nitrogen dioxide (NO2) in Rosemont, California is 3.286 ppb.
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