Loomis, 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!
October Air Quality Analysis
Loomis, Lynden, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (16th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Oct - 17th Oct 2025
Loomis, Lynden, Washington, United States
7 AM16th Oct 2025
6 PM
6 AM17th Oct 2025
57AQI
37AQI
50AQI
21AQI
In the last 24 hours,
Loomis's AQI reached its highest point of 57 at 7 AM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 16th Oct and 17th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Loomis, Lynden, Washington, United States
20°C15/25°C
16°C12/21°C
15°C8/24°C
16°C10/26°C
16°C12/21°C
15°C9/23°C
17°C11/27°C
15°C9/24°C
12°C8/20°C
15°C10/21°C
16°C13/22°C
16°C12/24°C
16°C13/20°C
16°C12/21°C
15°C12/21°C
15°C13/19°C
12°C8/17°C
12°C10/16°C
13°C8/21°C
13°C6/22°C
13°C8/21°C
12°C9/18°C
13°C8/22°C
11°C7/14°C
11°C10/12°C
10°C7/14°C
10°C6/17°C
9°C4/15°C
9°C2/16°C
8°C2/15°C
--°C/°C
34AQI
28AQI
36AQI
28AQI
2025 Days Vs Air Quality
Loomis, Lynden, Washington, United States
95%
275
5%
14
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 290 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
Loomis, Lynden, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
26AQI
22AQI
23AQI
21AQI
25AQI
33AQI
34AQI
29AQI
29AQI
24AQI
32AQI
38AQI
32AQI
43AQI
36AQI
35AQI
40AQI
44AQI
29AQI
48AQI
51AQI
55AQI
49AQI
30AQI
44AQI
43AQI
52AQI
56AQI
58AQI
35AQI
22AQI
22AQI
21AQI
21AQI
24AQI
22AQI
27AQI
45AQI
39AQI
35AQI
27AQI
42AQI
33AQI
38AQI
27AQI
23AQI
31AQI
36AQI
22AQI
25AQI
23AQI
22AQI
21AQI
24AQI
22AQI
23AQI
27AQI
36AQI
41AQI
45AQI
30AQI
25AQI
23AQI
26AQI
28AQI
28AQI
24AQI
22AQI
25AQI
22AQI
20AQI
20AQI
21AQI
20AQI
20AQI
19AQI
21AQI
17AQI
19AQI
19AQI
19AQI
19AQI
21AQI
23AQI
18AQI
17AQI
20AQI
24AQI
20AQI
20AQI
27AQI
25AQI
31AQI
34AQI
33AQI
16AQI
19AQI
19AQI
18AQI
20AQI
20AQI
27AQI
30AQI
25AQI
23AQI
25AQI
27AQI
26AQI
24AQI
21AQI
24AQI
29AQI
40AQI
46AQI
40AQI
42AQI
29AQI
19AQI
21AQI
33AQI
37AQI
18AQI
21AQI
23AQI
25AQI
26AQI
18AQI
25AQI
34AQI
28AQI
23AQI
32AQI
26AQI
30AQI
24AQI
21AQI
18AQI
21AQI
15AQI
17AQI
22AQI
20AQI
24AQI
24AQI
19AQI
22AQI
26AQI
20AQI
22AQI
27AQI
24AQI
27AQI
26AQI
19AQI
25AQI
21AQI
28AQI
25AQI
26AQI
34AQI
36AQI
41AQI
35AQI
28AQI
28AQI
24AQI
23AQI
22AQI
19AQI
20AQI
27AQI
26AQI
29AQI
36AQI
31AQI
21AQI
22AQI
22AQI
25AQI
25AQI
22AQI
24AQI
22AQI
23AQI
27AQI
26AQI
24AQI
19AQI
17AQI
18AQI
24AQI
20AQI
24AQI
25AQI
25AQI
35AQI
39AQI
39AQI
39AQI
38AQI
39AQI
38AQI
37AQI
25AQI
19AQI
26AQI
31AQI
30AQI
33AQI
31AQI
25AQI
23AQI
21AQI
28AQI
42AQI
45AQI
40AQI
21AQI
20AQI
29AQI
30AQI
26AQI
27AQI
24AQI
26AQI
25AQI
14AQI
15AQI
16AQI
17AQI
18AQI
24AQI
25AQI
34AQI
45AQI
49AQI
53AQI
53AQI
49AQI
52AQI
40AQI
46AQI
47AQI
45AQI
67AQI
44AQI
58AQI
52AQI
33AQI
32AQI
38AQI
32AQI
31AQI
22AQI
28AQI
35AQI
26AQI
29AQI
48AQI
30AQI
27AQI
33AQI
26AQI
22AQI
30AQI
35AQI
19AQI
25AQI
22AQI
25AQI
23AQI
16AQI
13AQI
10AQI
29AQI
47AQI
36AQI
56AQI
38AQI
47AQI
52AQI
53AQI
38AQI
29AQI
16AQI
32AQI
40AQI
49AQI
37AQI
28AQI
23AQI
27AQI
24AQI
27AQI
28AQI
32AQI
33AQI
37AQI
No. of days
202529AQI
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
March23AQI
202428AQI
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
January23AQI
202327AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
January18AQI
202224AQI
Highest AQI recorded in
October36AQI
Lowest AQI recorded in
July16AQI
202124AQI
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
October13AQI
202029AQI
Highest AQI recorded in
September61AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Loomis's annual 2025 AQI (29) shows an average percentage change of 11.4% (worsened AQI) compared to previous years: 2020 (29), 2021 (24), 2022 (24), 2023 (27), 2024 (28).