Lynden, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Lynden, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Lynden, Washington, United States
5 AM4th Aug 2026
9 PM
4 AM5th Aug 2026
78AQI
44AQI
67AQI
44AQI
In the last 24 hours,
Lynden's AQI reached its highest point of 78 at 7 PM during the Day, while the lowest point, 44, was recorded at 11 PM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Lynden, Washington, United States
20°C12/27°C
18°C14/25°C
19°C11/26°C
19°C13/26°C
18°C14/24°C
18°C14/25°C
19°C10/28°C
21°C12/31°C
22°C13/32°C
19°C14/27°C
18°C15/23°C
18°C12/26°C
19°C12/28°C
24°C13/37°C
26°C16/37°C
27°C17/38°C
24°C19/29°C
21°C14/29°C
19°C14/24°C
17°C15/21°C
19°C14/26°C
18°C14/23°C
18°C11/28°C
19°C12/27°C
22°C12/31°C
18°C14/22°C
16°C11/21°C
19°C11/30°C
22°C13/33°C
22°C13/33°C
56AQI
43AQI
53AQI
39AQI
2026 Days Vs Air Quality
Lynden, Washington, United States
91%
193
9%
20
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Lynden, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI (US)
43AQI (US)
15AQI (US)
16AQI (US)
18AQI (US)
11AQI (US)
14AQI (US)
17AQI (US)
17AQI (US)
15AQI (US)
18AQI (US)
14AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
17AQI (US)
31AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
29AQI (US)
32AQI (US)
37AQI (US)
34AQI (US)
26AQI (US)
26AQI (US)
20AQI (US)
21AQI (US)
47AQI (US)
44AQI (US)
45AQI (US)
51AQI (US)
41AQI (US)
44AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
33AQI (US)
27AQI (US)
30AQI (US)
25AQI (US)
20AQI (US)
29AQI (US)
37AQI (US)
31AQI (US)
36AQI (US)
39AQI (US)
32AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
20AQI (US)
20AQI (US)
26AQI (US)
30AQI (US)
25AQI (US)
39AQI (US)
36AQI (US)
36AQI (US)
43AQI (US)
42AQI (US)
37AQI (US)
33AQI (US)
41AQI (US)
42AQI (US)
36AQI (US)
25AQI (US)
34AQI (US)
34AQI (US)
36AQI (US)
32AQI (US)
32AQI (US)
40AQI (US)
38AQI (US)
33AQI (US)
18AQI (US)
30AQI (US)
28AQI (US)
32AQI (US)
25AQI (US)
18AQI (US)
26AQI (US)
27AQI (US)
21AQI (US)
30AQI (US)
36AQI (US)
23AQI (US)
29AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
25AQI (US)
18AQI (US)
34AQI (US)
37AQI (US)
34AQI (US)
22AQI (US)
21AQI (US)
15AQI (US)
15AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
17AQI (US)
19AQI (US)
19AQI (US)
16AQI (US)
17AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
16AQI (US)
14AQI (US)
20AQI (US)
29AQI (US)
21AQI (US)
22AQI (US)
16AQI (US)
26AQI (US)
40AQI (US)
51AQI (US)
54AQI (US)
56AQI (US)
56AQI (US)
42AQI (US)
38AQI (US)
37AQI (US)
37AQI (US)
39AQI (US)
41AQI (US)
22AQI (US)
12AQI (US)
13AQI (US)
13AQI (US)
12AQI (US)
14AQI (US)
19AQI (US)
14AQI (US)
15AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
17AQI (US)
25AQI (US)
27AQI (US)
18AQI (US)
22AQI (US)
13AQI (US)
13AQI (US)
19AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
14AQI (US)
14AQI (US)
18AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
18AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
21AQI (US)
17AQI (US)
15AQI (US)
12AQI (US)
28AQI (US)
23AQI (US)
15AQI (US)
20AQI (US)
15AQI (US)
25AQI (US)
18AQI (US)
19AQI (US)
29AQI (US)
27AQI (US)
15AQI (US)
12AQI (US)
17AQI (US)
16AQI (US)
41AQI (US)
35AQI (US)
36AQI (US)
51AQI (US)
59AQI (US)
70AQI (US)
61AQI (US)
55AQI (US)
70AQI (US)
92AQI (US)
83AQI (US)
61AQI (US)
44AQI (US)
68AQI (US)
89AQI (US)
72AQI (US)
57AQI (US)
59AQI (US)
56AQI (US)
27AQI (US)
31AQI (US)
32AQI (US)
23AQI (US)
29AQI (US)
19AQI (US)
39AQI (US)
61AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
January37AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
August37AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202224AQI (US)
Highest AQI (US) recorded in
October36AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
202124AQI (US)
Highest AQI (US) recorded in
February32AQI (US)
Lowest AQI (US) recorded in
October13AQI (US)
202029AQI (US)
Highest AQI (US) recorded in
September61AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Lynden's annual 2026 AQI (US) (29) shows an average percentage change of 8.7% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (24), 2022 (24), 2023 (27), 2024 (28), 2025 (29).