Stay updated with real-time air quality in Pleasant Hill, 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)
25
Good
Pleasant Hill, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.45 μg/m³
0
55
155
255
425
605+
27.03 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
1.23 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Pleasant Hill, California
Pleasant Hill, California
Scroll To Air Quality MapLoading...
AQI 27
Good
2.70μg/m³
PM2.5
11.49μg/m³
PM10
28.58ppb
O3
0.16ppb
SO2
1.72ppb
NO2
0.39ppm
CO
AQI 27
Good
2.62μg/m³
PM2.5
11.23μg/m³
PM10
28.70ppb
O3
0.15ppb
SO2
1.57ppb
NO2
0.39ppm
CO
AQI 25
Good
3.02μg/m³
PM2.5
13.07μg/m³
PM10
27.46ppb
O3
0.31ppb
SO2
2.35ppb
NO2
0.35ppm
CO
AQI 25
Good
2.41μg/m³
PM2.5
10.33μg/m³
PM10
27.42ppb
O3
0.48ppb
SO2
1.99ppb
NO2
0.36ppm
CO
AQI 26
Good
2.62μg/m³
PM2.5
11.32μg/m³
PM10
28.25ppb
O3
0.20ppb
SO2
1.98ppb
NO2
0.38ppm
CO
AQI 26
Good
3.30μg/m³
PM2.5
14.36μg/m³
PM10
27.86ppb
O3
0.27ppb
SO2
2.58ppb
NO2
0.35ppm
CO
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
Air quality data for Pleasant Hill, California is updated on an hourly basis.
The worst air quality in Pleasant Hill, California was recorded at 05:00:00 on 2025-06-05.
The best air quality in Pleasant Hill, California was recorded at 08:00:00 on 2025-06-06.
The real-time air quality index in Pleasant Hill, California is 25, currently categorized as Good.
The most common pollutant in Pleasant Hill, California is O3.
If the air quality in Pleasant Hill, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Pleasant Hill, California at present are 2.409 μg/m3.
The current PM10 levels in Pleasant Hill, California are 10.452 μg/m3.
The current carbon monoxide (CO) level in Pleasant Hill, California is 0.393 ppm.
The current sulfur dioxide (SO2) levels in Pleasant Hill, California are 0.132 ppb.
The current ozone (O3) levels at Pleasant Hill, California is 27.03 ppm.
The current nitrogen dioxide (NO2) levels at Pleasant Hill, California is 1.23 ppb.
All Rights Reserved © Ambee Inc. 2025