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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.79 μg/m³
0
55
155
255
425
605+
20.24 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
2.22 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ashland, California
Ashland, California
Scroll To Air Quality MapLoading...
AQI 22
Good
4.50μg/m³
PM2.5
18.80μg/m³
PM10
19.52ppb
O3
0.36ppb
SO2
2.14ppb
NO2
0.28ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
20.47μg/m³
PM10
19.99ppb
O3
0.34ppb
SO2
2.30ppb
NO2
0.29ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.15μg/m³
PM10
19.66ppb
O3
0.36ppb
SO2
2.12ppb
NO2
0.28ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
18.42μg/m³
PM10
19.36ppb
O3
0.37ppb
SO2
2.13ppb
NO2
0.28ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
21.14μg/m³
PM10
20.85ppb
O3
0.33ppb
SO2
2.00ppb
NO2
0.30ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
18.42μg/m³
PM10
19.36ppb
O3
0.37ppb
SO2
2.13ppb
NO2
0.28ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Ashland, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Ashland, California was at its worst at 07:00:00 on 2026-07-28.
In the last 24 hours, the best air quality in Ashland, California was observed at 04:00:00 on 2026-07-27.
As of now, the AQI in Ashland, California is 27, indicating Good conditions.
Ashland, California air has the highest levels of PM2.5.
Poor air quality in Ashland, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Ashland, California are currently 4.761 μg/m3.
The PM10 concentration in Ashland, California is 20.79 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ashland, California is 0.289 ppm.
Currently, Ashland, California has a sulfur dioxide (SO2) concentration of 0.331 ppb.
The current ozone (O3) level in Ashland, California at the moment is 20.243 ppm.
Nitrogen dioxide (NO2) level in Ashland, California at the moment is 2.224 ppb.
All Rights Reserved © Ambee Inc. 2025