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)
29
Good
Lynden, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.01 μg/m³
0
55
155
255
425
605+
30.77 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
6.97 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lynden, Washington
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AQI 27
Good
3.00μg/m³
PM2.5
9.14μg/m³
PM10
29.14ppb
O3
0.15ppb
SO2
7.39ppb
NO2
0.18ppm
CO
AQI 23
Good
3.70μg/m³
PM2.5
16.35μg/m³
PM10
25.44ppb
O3
0.15ppb
SO2
8.19ppb
NO2
0.17ppm
CO
AQI 25
Good
2.69μg/m³
PM2.5
7.99μg/m³
PM10
27.40ppb
O3
0.14ppb
SO2
6.59ppb
NO2
0.18ppm
CO
AQI 31
Good
2.50μg/m³
PM2.5
10.69μg/m³
PM10
34.09ppb
O3
0.14ppb
SO2
12.49ppb
NO2
0.18ppm
CO
AQI 26
Good
1.12μg/m³
PM2.5
4.85μg/m³
PM10
28.15ppb
O3
0.14ppb
SO2
12.88ppb
NO2
0.19ppm
CO
AQI 26
Good
0.89μg/m³
PM2.5
3.85μg/m³
PM10
27.97ppb
O3
0.14ppb
SO2
13.21ppb
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 Lynden, Washington is updated on an hourly basis.
The worst air quality in Lynden, Washington was recorded at 01:00:00 on 2026-03-11.
The best air quality in Lynden, Washington was recorded at 03:00:00 on 2026-03-11.
The real-time air quality index in Lynden, Washington is 29, currently categorized as Good.
The most common pollutant in Lynden, Washington is O3.
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 2.541 μg/m3.
The current PM10 levels in Lynden, Washington are 6.006 μg/m3.
The current carbon monoxide (CO) level in Lynden, Washington is 0.182 ppm.
The current sulfur dioxide (SO2) levels in Lynden, Washington are 0.135 ppb.
The current ozone (O3) levels at Lynden, Washington is 30.774 ppm.
The current nitrogen dioxide (NO2) levels at Lynden, Washington is 6.972 ppb.
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