Stay updated with real-time air quality in Crestline, 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)
16
Good
Crestline, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.05 μg/m³
0
55
155
255
425
605+
16.87 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
8.38 ppb
0
54
101
361
1250
2050+
0.44 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Crestline, California
Crestline, California
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AQI 11
Good
2.38μg/m³
PM2.5
10.01μg/m³
PM10
12.27ppb
O3
0.90ppb
SO2
8.63ppb
NO2
0.38ppm
CO
AQI 33
Good
5.53μg/m³
PM2.5
14.48μg/m³
PM10
7.28ppb
O3
0.94ppb
SO2
9.65ppb
NO2
0.39ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
16.84μg/m³
PM10
4.07ppb
O3
0.92ppb
SO2
8.18ppb
NO2
0.39ppm
CO
AQI 22
Good
4.20μg/m³
PM2.5
15.31μg/m³
PM10
5.50ppb
O3
0.91ppb
SO2
8.60ppb
NO2
0.39ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
11.28μg/m³
PM10
5.99ppb
O3
0.95ppb
SO2
10.98ppb
NO2
0.39ppm
CO
AQI 27
Good
5.22μg/m³
PM2.5
16.02μg/m³
PM10
5.22ppb
O3
0.93ppb
SO2
9.32ppb
NO2
0.39ppm
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 Crestline, California are available every hour.
Crestline, California experienced its worst air quality at 05:00:00, 2026-09-07.
The best air quality in Crestline, California was observed at 08:00:00 on 2026-09-07.
The air quality in Crestline, California right now is Good, with an AQI of 16.
In Crestline, California, O3 is the most frequently found pollutant.
When air quality in Crestline, California is compromised, staying indoors and wearing a mask can reduce health risks.
Crestline, California currently has a PM2.5 concentration of 1.816 μg/m3.
Crestline, California currently has a PM10 concentration of 8.046 μg/m3.
The current carbon monoxide (CO) level in Crestline, California is 0.438 ppm.
The current sulfur dioxide (SO2) concentration in Crestline, California is 0.859 ppb.
Crestline, California currently has an ozone (O3) concentration of 16.871 ppm.
The current level of nitrogen dioxide (NO2) in Crestline, California is 8.382 ppb.
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