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)
73
Moderate
Kirkland, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
20.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
80.89 μg/m³
0
55
155
255
425
605+
27.07 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
16.13 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Kirkland, Washington
Kirkland, Washington
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AQI 67
Moderate
18.11μg/m³
PM2.5
71.92μg/m³
PM10
28.15ppb
O3
1.06ppb
SO2
14.85ppb
NO2
0.34ppm
CO
AQI 64
Moderate
16.08μg/m³
PM2.5
65.49μg/m³
PM10
28.31ppb
O3
1.09ppb
SO2
16.23ppb
NO2
0.34ppm
CO
AQI 79
Moderate
23.61μg/m³
PM2.5
94.00μg/m³
PM10
27.05ppb
O3
1.01ppb
SO2
13.76ppb
NO2
0.34ppm
CO
AQI 79
Moderate
24.01μg/m³
PM2.5
95.56μg/m³
PM10
27.00ppb
O3
1.00ppb
SO2
13.47ppb
NO2
0.34ppm
CO
AQI 86
Moderate
27.68μg/m³
PM2.5
118.47μg/m³
PM10
27.04ppb
O3
0.99ppb
SO2
13.04ppb
NO2
0.34ppm
CO
AQI 86
Moderate
28.17μg/m³
PM2.5
121.12μg/m³
PM10
26.95ppb
O3
0.99ppb
SO2
13.03ppb
NO2
0.34ppm
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 12:00:00 on 2025-09-06.
The best air quality in Kirkland, Washington was recorded at 05:00:00 on 2025-09-05.
The real-time air quality index in Kirkland, Washington is 73, currently categorized as Moderate.
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 20.615 μg/m3.
The current PM10 levels in Kirkland, Washington are 80.893 μg/m3.
The current carbon monoxide (CO) level in Kirkland, Washington is 0.343 ppm.
The current sulfur dioxide (SO2) levels in Kirkland, Washington are 1.067 ppb.
The current ozone (O3) levels at Kirkland, Washington is 27.065 ppm.
The current nitrogen dioxide (NO2) levels at Kirkland, Washington is 16.133 ppb.
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