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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.56 μg/m³
0
55
155
255
425
605+
27.03 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
6.01 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fortuna, California
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AQI 30
Good
4.50μg/m³
PM2.5
19.99μg/m³
PM10
31.92ppb
O3
0.44ppb
SO2
6.07ppb
NO2
0.30ppm
CO
AQI 29
Good
4.33μg/m³
PM2.5
19.26μg/m³
PM10
31.17ppb
O3
0.44ppb
SO2
6.04ppb
NO2
0.30ppm
CO
AQI 24
Good
3.88μg/m³
PM2.5
11.29μg/m³
PM10
26.34ppb
O3
0.44ppb
SO2
6.11ppb
NO2
0.30ppm
CO
AQI 25
Good
4.37μg/m³
PM2.5
20.01μg/m³
PM10
27.39ppb
O3
0.44ppb
SO2
6.24ppb
NO2
0.26ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
22.21μg/m³
PM10
25.25ppb
O3
0.44ppb
SO2
6.29ppb
NO2
0.26ppm
CO
AQI 28
Good
4.48μg/m³
PM2.5
19.25μg/m³
PM10
29.88ppb
O3
0.44ppb
SO2
6.22ppb
NO2
0.25ppm
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 Fortuna, California are available every hour.
Fortuna, California experienced its worst air quality at 09:00:00, 2026-03-10.
The best air quality in Fortuna, California was observed at 08:00:00 on 2026-03-09.
The air quality in Fortuna, California right now is Good, with an AQI of 25.
In Fortuna, California, O3 is the most frequently found pollutant.
When air quality in Fortuna, California is compromised, staying indoors and wearing a mask can reduce health risks.
Fortuna, California currently has a PM2.5 concentration of 4.186 μg/m3.
Fortuna, California currently has a PM10 concentration of 13.564 μg/m3.
The current carbon monoxide (CO) level in Fortuna, California is 0.302 ppm.
The current sulfur dioxide (SO2) concentration in Fortuna, California is 0.441 ppb.
Fortuna, California currently has an ozone (O3) concentration of 27.033 ppm.
The current level of nitrogen dioxide (NO2) in Fortuna, California is 6.009 ppb.
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