Stay updated with real-time air quality in Atwater, 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)
52
Moderate
Atwater, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.13 μg/m³
0
55
155
255
425
605+
29.23 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
4.67 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Atwater, California
Atwater, California
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AQI 49
Good
9.09μg/m³
PM2.5
23.39μg/m³
PM10
29.88ppb
O3
0.34ppb
SO2
4.83ppb
NO2
0.20ppm
CO
AQI 49
Good
9.27μg/m³
PM2.5
25.82μg/m³
PM10
35.21ppb
O3
0.34ppb
SO2
4.66ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.90μg/m³
PM2.5
25.00μg/m³
PM10
35.69ppb
O3
0.35ppb
SO2
3.65ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.08μg/m³
PM2.5
22.93μg/m³
PM10
35.09ppb
O3
0.35ppb
SO2
6.17ppb
NO2
0.22ppm
CO
AQI 52
Moderate
10.48μg/m³
PM2.5
22.99μg/m³
PM10
35.00ppb
O3
0.34ppb
SO2
6.78ppb
NO2
0.22ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
26.02μg/m³
PM10
29.62ppb
O3
0.34ppb
SO2
4.01ppb
NO2
0.22ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Atwater, California is updated on an hourly basis.
The worst air quality in Atwater, California was recorded at 08:00:00 on 2026-04-25.
The best air quality in Atwater, California was recorded at 02:00:00 on 2026-04-24.
The real-time air quality index in Atwater, California is 52, currently categorized as Moderate.
The most common pollutant in Atwater, California is PM2.5.
If the air quality in Atwater, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Atwater, California at present are 9.591 μg/m3.
The current PM10 levels in Atwater, California are 25.127 μg/m3.
The current carbon monoxide (CO) level in Atwater, California is 0.195 ppm.
The current sulfur dioxide (SO2) levels in Atwater, California are 0.343 ppb.
The current ozone (O3) levels at Atwater, California is 29.226 ppm.
The current nitrogen dioxide (NO2) levels at Atwater, California is 4.671 ppb.
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