Plummer, Liberty Lake, 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
Plummer, Liberty Lake, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Plummer, Liberty Lake, Washington, United States
5 AM15th Aug 2026
8 PM
4 AM16th Aug 2026
56AQI
48AQI
59AQI
54AQI
In the last 24 hours,
Plummer's AQI reached its highest point of 59 at 2 AM during the Night, while the lowest point, 48, was recorded at 12 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Plummer, Liberty Lake, Washington, United States
23°C17/28°C
22°C15/28°C
24°C15/31°C
26°C18/34°C
27°C17/35°C
28°C20/34°C
26°C19/33°C
24°C17/31°C
21°C14/28°C
22°C14/29°C
22°C15/29°C
21°C14/28°C
22°C14/29°C
25°C14/33°C
24°C17/29°C
17°C10/23°C
17°C10/26°C
20°C9/28°C
22°C12/30°C
24°C14/33°C
26°C16/34°C
24°C17/32°C
23°C14/30°C
22°C16/29°C
22°C15/29°C
22°C15/28°C
21°C14/28°C
20°C12/28°C
21°C13/30°C
22°C13/31°C
84AQI
73AQI
88AQI
85AQI
2026 Days Vs Air Quality
Plummer, Liberty Lake, Washington, United States
86%
193
10%
22
4%
9
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 228 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Plummer, Liberty Lake, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
63AQI (US)
47AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
38AQI (US)
41AQI (US)
26AQI (US)
18AQI (US)
41AQI (US)
44AQI (US)
38AQI (US)
38AQI (US)
35AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
28AQI (US)
34AQI (US)
32AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
24AQI (US)
28AQI (US)
33AQI (US)
20AQI (US)
38AQI (US)
35AQI (US)
31AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
33AQI (US)
34AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
21AQI (US)
37AQI (US)
41AQI (US)
34AQI (US)
26AQI (US)
30AQI (US)
35AQI (US)
30AQI (US)
36AQI (US)
45AQI (US)
32AQI (US)
20AQI (US)
17AQI (US)
26AQI (US)
30AQI (US)
36AQI (US)
24AQI (US)
39AQI (US)
43AQI (US)
21AQI (US)
36AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
25AQI (US)
34AQI (US)
39AQI (US)
30AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
18AQI (US)
19AQI (US)
25AQI (US)
29AQI (US)
23AQI (US)
20AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
16AQI (US)
27AQI (US)
36AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
31AQI (US)
23AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
19AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
29AQI (US)
33AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
15AQI (US)
20AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
14AQI (US)
24AQI (US)
19AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
18AQI (US)
22AQI (US)
37AQI (US)
23AQI (US)
31AQI (US)
36AQI (US)
33AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
18AQI (US)
26AQI (US)
17AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
19AQI (US)
14AQI (US)
19AQI (US)
13AQI (US)
13AQI (US)
17AQI (US)
15AQI (US)
16AQI (US)
12AQI (US)
18AQI (US)
24AQI (US)
14AQI (US)
14AQI (US)
20AQI (US)
19AQI (US)
16AQI (US)
34AQI (US)
16AQI (US)
21AQI (US)
15AQI (US)
21AQI (US)
18AQI (US)
15AQI (US)
16AQI (US)
17AQI (US)
21AQI (US)
17AQI (US)
23AQI (US)
22AQI (US)
31AQI (US)
48AQI (US)
13AQI (US)
15AQI (US)
15AQI (US)
16AQI (US)
21AQI (US)
21AQI (US)
19AQI (US)
26AQI (US)
18AQI (US)
15AQI (US)
18AQI (US)
16AQI (US)
18AQI (US)
22AQI (US)
14AQI (US)
36AQI (US)
129AQI (US)
63AQI (US)
56AQI (US)
68AQI (US)
67AQI (US)
71AQI (US)
77AQI (US)
72AQI (US)
55AQI (US)
60AQI (US)
72AQI (US)
70AQI (US)
68AQI (US)
69AQI (US)
70AQI (US)
62AQI (US)
104AQI (US)
149AQI (US)
125AQI (US)
104AQI (US)
119AQI (US)
121AQI (US)
121AQI (US)
149AQI (US)
76AQI (US)
68AQI (US)
70AQI (US)
67AQI (US)
51AQI (US)
54AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
23AQI (US)
19AQI (US)
44AQI (US)
96AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
August96AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
September57AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
February20AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
June147AQI (US)
Lowest AQI (US) recorded in
February20AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
September61AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
August78AQI (US)
Lowest AQI (US) recorded in
February19AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
September82AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Plummer's annual 2026 AQI (US) (33) shows an average percentage change of -0.4% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (35), 2022 (32), 2023 (30), 2024 (31), 2025 (37).