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)
27
Good
Kirkland, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.91 μg/m³
0
55
155
255
425
605+
17.56 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
5.48 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kirkland, Washington
Kirkland, Washington
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AQI 27
Good
5.32μg/m³
PM2.5
23.11μg/m³
PM10
19.05ppb
O3
0.28ppb
SO2
3.45ppb
NO2
0.11ppm
CO
AQI 27
Good
5.22μg/m³
PM2.5
21.14μg/m³
PM10
19.69ppb
O3
0.28ppb
SO2
3.36ppb
NO2
0.10ppm
CO
AQI 33
Good
5.90μg/m³
PM2.5
20.64μg/m³
PM10
19.07ppb
O3
0.28ppb
SO2
3.65ppb
NO2
0.11ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
20.51μg/m³
PM10
19.02ppb
O3
0.28ppb
SO2
3.67ppb
NO2
0.11ppm
CO
AQI 27
Good
5.34μg/m³
PM2.5
21.63μg/m³
PM10
18.80ppb
O3
0.28ppb
SO2
3.83ppb
NO2
0.11ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
21.71μg/m³
PM10
18.78ppb
O3
0.28ppb
SO2
3.85ppb
NO2
0.11ppm
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 2025-07-22.
The best air quality in Kirkland, Washington was recorded at 09:00:00 on 2025-07-22.
The real-time air quality index in Kirkland, Washington is 27, 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 5.437 μg/m3.
The current PM10 levels in Kirkland, Washington are 21.885 μg/m3.
The current carbon monoxide (CO) level in Kirkland, Washington is 0.106 ppm.
The current sulfur dioxide (SO2) levels in Kirkland, Washington are 0.294 ppb.
The current ozone (O3) levels at Kirkland, Washington is 20.05 ppm.
The current nitrogen dioxide (NO2) levels at Kirkland, Washington is 2.939 ppb.
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