Stay updated with real-time air quality in Lake Arrowhead, 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)
129
Unhealthy for sensitive groups
Lake Arrowhead, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.96 μg/m³
0
55
155
255
425
605+
78.89 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
5.22 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lake Arrowhead, California
Lake Arrowhead, California
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AQI 133
Unhealthy for sensitive groups
9.80μg/m³
PM2.5
43.99μg/m³
PM10
79.97ppb
O3
0.72ppb
SO2
4.89ppb
NO2
0.26ppm
CO
AQI 143
Unhealthy for sensitive groups
10.76μg/m³
PM2.5
47.11μg/m³
PM10
83.32ppb
O3
0.69ppb
SO2
6.87ppb
NO2
0.25ppm
CO
AQI 129
Unhealthy for sensitive groups
12.03μg/m³
PM2.5
52.56μg/m³
PM10
79.45ppb
O3
0.70ppb
SO2
8.79ppb
NO2
0.25ppm
CO
AQI 140
Unhealthy for sensitive groups
11.21μg/m³
PM2.5
50.89μg/m³
PM10
81.97ppb
O3
0.69ppb
SO2
7.83ppb
NO2
0.25ppm
CO
AQI 156
Unhealthy
9.87μg/m³
PM2.5
40.71μg/m³
PM10
87.74ppb
O3
0.69ppb
SO2
6.07ppb
NO2
0.25ppm
CO
AQI 80
Moderate
6.04μg/m³
PM2.5
27.13μg/m³
PM10
64.26ppb
O3
0.74ppb
SO2
3.94ppb
NO2
0.26ppm
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 Lake Arrowhead, California is updated on an hourly basis.
The worst air quality in Lake Arrowhead, California was recorded at 02:00:00 on 2026-07-23.
The best air quality in Lake Arrowhead, California was recorded at 02:00:00 on 2026-07-23.
The real-time air quality index in Lake Arrowhead, California is 129, currently categorized as Unhealthy for Sensitive Groups.
The most common pollutant in Lake Arrowhead, California is O3.
If the air quality in Lake Arrowhead, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Lake Arrowhead, California at present are 9.408 μg/m3.
The current PM10 levels in Lake Arrowhead, California are 41.963 μg/m3.
The current carbon monoxide (CO) level in Lake Arrowhead, California is 0.254 ppm.
The current sulfur dioxide (SO2) levels in Lake Arrowhead, California are 0.716 ppb.
The current ozone (O3) levels at Lake Arrowhead, California is 78.886 ppm.
The current nitrogen dioxide (NO2) levels at Lake Arrowhead, California is 5.22 ppb.
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