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)
22
Good
Lynden, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.37 μg/m³
0
55
155
255
425
605+
18.32 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
5.01 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
Scroll To Air Quality MapLoading...
AQI 17
Good
3.45μg/m³
PM2.5
13.07μg/m³
PM10
18.18ppb
O3
0.33ppb
SO2
4.42ppb
NO2
0.11ppm
CO
AQI 22
Good
4.26μg/m³
PM2.5
18.72μg/m³
PM10
18.38ppb
O3
0.33ppb
SO2
4.87ppb
NO2
0.11ppm
CO
AQI 22
Good
3.61μg/m³
PM2.5
12.90μg/m³
PM10
22.48ppb
O3
0.41ppb
SO2
4.03ppb
NO2
0.12ppm
CO
AQI 27
Good
4.65μg/m³
PM2.5
20.33μg/m³
PM10
18.42ppb
O3
0.45ppb
SO2
12.09ppb
NO2
0.10ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
26.83μg/m³
PM10
17.77ppb
O3
0.41ppb
SO2
7.82ppb
NO2
0.13ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
29.18μg/m³
PM10
17.34ppb
O3
0.41ppb
SO2
7.40ppb
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 08:00:00 on 2026-07-17.
The best air quality in Lynden, Washington was recorded at 08:00:00 on 2026-07-18.
The real-time air quality index in Lynden, Washington is 22, 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 3.724 μg/m3.
The current PM10 levels in Lynden, Washington are 12.365 μg/m3.
The current carbon monoxide (CO) level in Lynden, Washington is 0.11 ppm.
The current sulfur dioxide (SO2) levels in Lynden, Washington are 0.285 ppb.
The current ozone (O3) levels at Lynden, Washington is 18.322 ppm.
The current nitrogen dioxide (NO2) levels at Lynden, Washington is 5.012 ppb.
All Rights Reserved © Ambee Inc. 2025