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)
44
Good
Fortuna, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.29 μg/m³
0
55
155
255
425
605+
19.93 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
4.89 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Fortuna, California
Fortuna, California
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AQI 22
Good
3.60μg/m³
PM2.5
16.01μg/m³
PM10
22.34ppb
O3
0.60ppb
SO2
4.92ppb
NO2
0.36ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
16.59μg/m³
PM10
21.83ppb
O3
0.60ppb
SO2
4.93ppb
NO2
0.36ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
23.60μg/m³
PM10
20.34ppb
O3
0.60ppb
SO2
5.10ppb
NO2
0.36ppm
CO
AQI 81
Moderate
24.60μg/m³
PM2.5
112.03μg/m³
PM10
12.12ppb
O3
0.60ppb
SO2
5.10ppb
NO2
0.36ppm
CO
AQI 80
Moderate
22.41μg/m³
PM2.5
113.38μg/m³
PM10
12.07ppb
O3
0.60ppb
SO2
5.09ppb
NO2
0.36ppm
CO
AQI 79
Moderate
23.85μg/m³
PM2.5
107.13μg/m³
PM10
12.69ppb
O3
0.60ppb
SO2
5.10ppb
NO2
0.36ppm
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 08:00:00, 2025-12-14.
The best air quality in Fortuna, California was observed at 06:00:00 on 2025-12-14.
The air quality in Fortuna, California right now is Good, with an AQI of 44.
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 8.431 μg/m3.
Fortuna, California currently has a PM10 concentration of 37.293 μg/m3.
The current carbon monoxide (CO) level in Fortuna, California is 0.361 ppm.
The current sulfur dioxide (SO2) concentration in Fortuna, California is 0.603 ppb.
Fortuna, California currently has an ozone (O3) concentration of 19.93 ppm.
The current level of nitrogen dioxide (NO2) in Fortuna, California is 4.895 ppb.
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