Stay updated with real-time air quality in Monterey, 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
Monterey, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.75 μg/m³
0
55
155
255
425
605+
29.97 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
4.70 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Monterey, California
Monterey, California
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AQI 33
Good
6.49μg/m³
PM2.5
26.93μg/m³
PM10
32.02ppb
O3
0.86ppb
SO2
4.48ppb
NO2
0.19ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
18.42μg/m³
PM10
33.32ppb
O3
0.86ppb
SO2
4.32ppb
NO2
0.18ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
18.33μg/m³
PM10
33.19ppb
O3
0.86ppb
SO2
4.32ppb
NO2
0.18ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
31.24μg/m³
PM10
34.92ppb
O3
0.87ppb
SO2
4.32ppb
NO2
0.10ppm
CO
AQI 33
Good
6.32μg/m³
PM2.5
27.98μg/m³
PM10
34.96ppb
O3
0.88ppb
SO2
4.32ppb
NO2
0.12ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
37.29μg/m³
PM10
32.15ppb
O3
0.86ppb
SO2
4.31ppb
NO2
0.20ppm
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 Monterey, California are available every hour.
Monterey, California experienced its worst air quality at 09:00:00, 2025-06-06.
The best air quality in Monterey, California was observed at 06:00:00 on 2025-06-06.
The air quality in Monterey, California right now is Good, with an AQI of 38.
In Monterey, California, PM2.5 is the most frequently found pollutant.
When air quality in Monterey, California is compromised, staying indoors and wearing a mask can reduce health risks.
Monterey, California currently has a PM2.5 concentration of 6.76 μg/m3.
Monterey, California currently has a PM10 concentration of 33.752 μg/m3.
The current carbon monoxide (CO) level in Monterey, California is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in Monterey, California is 0.908 ppb.
Monterey, California currently has an ozone (O3) concentration of 29.974 ppm.
The current level of nitrogen dioxide (NO2) in Monterey, California is 4.698 ppb.
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