Stay updated with real-time air quality in Kirkland, Washington 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)
38
Good
Kirkland, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.08 μg/m³
0
55
155
255
425
605+
17.76 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
16.36 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kirkland, Washington
Kirkland, Washington
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AQI 38
Good
6.71μg/m³
PM2.5
26.84μg/m³
PM10
13.62ppb
O3
0.32ppb
SO2
14.96ppb
NO2
0.19ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
27.23μg/m³
PM10
12.44ppb
O3
0.32ppb
SO2
15.09ppb
NO2
0.20ppm
CO
AQI 38
Good
6.98μg/m³
PM2.5
27.78μg/m³
PM10
15.96ppb
O3
0.32ppb
SO2
15.59ppb
NO2
0.19ppm
CO
AQI 38
Good
6.94μg/m³
PM2.5
28.02μg/m³
PM10
16.27ppb
O3
0.32ppb
SO2
15.60ppb
NO2
0.19ppm
CO
AQI 44
Good
7.66μg/m³
PM2.5
33.04μg/m³
PM10
17.12ppb
O3
0.33ppb
SO2
15.79ppb
NO2
0.19ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
33.62μg/m³
PM10
17.20ppb
O3
0.33ppb
SO2
15.86ppb
NO2
0.19ppm
CO
Air quality measurements for Washington, 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 Kirkland, Washington is updated on an hourly basis.
The worst air quality in Kirkland, Washington was recorded at 03:00:00 on 2025-10-24.
The best air quality in Kirkland, Washington was recorded at 12:00:00 on 2025-10-24.
The real-time air quality index in Kirkland, Washington is 44, currently categorized as Good.
The most common pollutant in Kirkland, Washington is PM2.5.
If the air quality in Kirkland, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Kirkland, Washington at present are 7.719 μg/m3.
The current PM10 levels in Kirkland, Washington are 26.14 μg/m3.
The current carbon monoxide (CO) level in Kirkland, Washington is 0.194 ppm.
The current sulfur dioxide (SO2) levels in Kirkland, Washington are 0.316 ppb.
The current ozone (O3) levels at Kirkland, Washington is 13.524 ppm.
The current nitrogen dioxide (NO2) levels at Kirkland, Washington is 15.763 ppb.
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