Stay updated with real-time air quality in Lynden, 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)
33
Good
Lynden, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.79 μg/m³
0
55
155
255
425
605+
28.86 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
7.29 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lynden, Washington
Lynden, Washington
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AQI 27
Good
4.90μg/m³
PM2.5
17.05μg/m³
PM10
23.14ppb
O3
0.27ppb
SO2
3.90ppb
NO2
0.13ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.59μg/m³
PM10
18.83ppb
O3
0.26ppb
SO2
3.65ppb
NO2
0.13ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
21.62μg/m³
PM10
19.29ppb
O3
0.28ppb
SO2
3.95ppb
NO2
0.12ppm
CO
AQI 22
Good
4.23μg/m³
PM2.5
18.50μg/m³
PM10
23.82ppb
O3
0.28ppb
SO2
4.03ppb
NO2
0.12ppm
CO
AQI 22
Good
3.89μg/m³
PM2.5
16.39μg/m³
PM10
21.34ppb
O3
0.27ppb
SO2
4.13ppb
NO2
0.13ppm
CO
AQI 19
Good
3.49μg/m³
PM2.5
14.39μg/m³
PM10
21.36ppb
O3
0.28ppb
SO2
4.26ppb
NO2
0.13ppm
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 Lynden, Washington is updated on an hourly basis.
The worst air quality in Lynden, Washington was recorded at 03:00:00 on 2025-07-22.
The best air quality in Lynden, Washington was recorded at 09:00:00 on 2025-07-22.
The real-time air quality index in Lynden, Washington is 27, currently categorized as Good.
The most common pollutant in Lynden, Washington is PM2.5.
If the air quality in Lynden, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Lynden, Washington at present are 4.973 μg/m3.
The current PM10 levels in Lynden, Washington are 17.854 μg/m3.
The current carbon monoxide (CO) level in Lynden, Washington is 0.144 ppm.
The current sulfur dioxide (SO2) levels in Lynden, Washington are 0.267 ppb.
The current ozone (O3) levels at Lynden, Washington is 14.636 ppm.
The current nitrogen dioxide (NO2) levels at Lynden, Washington is 3.75 ppb.
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