Stay updated with real-time air quality in Hanford, 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)
42
Good
Hanford, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.02 μg/m³
0
55
155
255
425
605+
45.01 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
4.40 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Hanford, California
Hanford, California
Scroll To Air Quality MapLoading...
AQI 43
Good
3.31μg/m³
PM2.5
15.61μg/m³
PM10
45.99ppb
O3
0.47ppb
SO2
4.70ppb
NO2
0.12ppm
CO
AQI 43
Good
5.57μg/m³
PM2.5
24.38μg/m³
PM10
46.04ppb
O3
0.51ppb
SO2
3.21ppb
NO2
0.11ppm
CO
AQI 43
Good
2.42μg/m³
PM2.5
15.05μg/m³
PM10
45.84ppb
O3
0.58ppb
SO2
4.25ppb
NO2
0.11ppm
CO
AQI 44
Good
6.04μg/m³
PM2.5
21.33μg/m³
PM10
47.80ppb
O3
0.52ppb
SO2
4.20ppb
NO2
0.11ppm
CO
AQI 47
Good
6.26μg/m³
PM2.5
21.13μg/m³
PM10
50.77ppb
O3
0.58ppb
SO2
3.75ppb
NO2
0.11ppm
CO
AQI 45
Good
4.79μg/m³
PM2.5
21.01μg/m³
PM10
48.95ppb
O3
0.58ppb
SO2
3.12ppb
NO2
0.11ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Hanford, California is updated every hour.
The worst air quality in Hanford, California in the last 24 hours was observed at 07:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in Hanford, California was observed at 11:00:00 on 2026-04-24.
The current air quality in Hanford, California is 42, categorized as Good based on real-time data.
The most common pollutant in Hanford, California is O3.
If the air quality in Hanford, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hanford, California is 3.208 μg/m3.
The current PM10 concentration at Hanford, California is 18.016 μg/m3.
The current carbon monoxide (CO) concentration at Hanford, California is 0.115 ppm.
The current sulfur dioxide (SO2) concentration at Hanford, California is 0.478 ppb.
The current ozone (O3) concentration at Hanford, California is 45.011 ppm.
The current nitrogen dioxide (NO2) concentration at Hanford, California is 4.398 ppb.
All Rights Reserved © Ambee Inc. 2025