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)
27
Good
Fortuna, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.66 μg/m³
0
55
155
255
425
605+
25.07 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
2.51 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Fortuna, California
Fortuna, California
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AQI 27
Good
5.00μg/m³
PM2.5
23.00μg/m³
PM10
26.89ppb
O3
0.28ppb
SO2
2.52ppb
NO2
0.26ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
23.15μg/m³
PM10
26.96ppb
O3
0.28ppb
SO2
2.52ppb
NO2
0.26ppm
CO
AQI 27
Good
5.07μg/m³
PM2.5
23.15μg/m³
PM10
25.72ppb
O3
0.28ppb
SO2
2.53ppb
NO2
0.26ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
21.79μg/m³
PM10
21.30ppb
O3
0.26ppb
SO2
3.04ppb
NO2
0.22ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
22.68μg/m³
PM10
28.47ppb
O3
0.26ppb
SO2
3.06ppb
NO2
0.22ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
24.18μg/m³
PM10
24.00ppb
O3
0.27ppb
SO2
2.97ppb
NO2
0.22ppm
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 04:00:00, 2026-05-02.
The best air quality in Fortuna, California was observed at 06:00:00 on 2026-05-01.
The air quality in Fortuna, California right now is Good, with an AQI of 27.
In Fortuna, California, PM2.5 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 5.077 μg/m3.
Fortuna, California currently has a PM10 concentration of 19.661 μg/m3.
The current carbon monoxide (CO) level in Fortuna, California is 0.258 ppm.
The current sulfur dioxide (SO2) concentration in Fortuna, California is 0.282 ppb.
Fortuna, California currently has an ozone (O3) concentration of 25.071 ppm.
The current level of nitrogen dioxide (NO2) in Fortuna, California is 2.514 ppb.
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