Willits, California, 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
Willits, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Willits, California, United States
6 AM11th Aug 2025
8 PM
5 AM12th Aug 2025
38AQI
27AQI
32AQI
26AQI
In the last 24 hours,
Willits's AQI reached its highest point of 38 at 10 AM during the Day, while the lowest point, 26, was recorded at 11 PM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Willits, California, United States
22°C17/29°C
23°C17/30°C
21°C17/28°C
18°C13/25°C
18°C13/25°C
19°C13/27°C
21°C14/28°C
20°C15/27°C
15°C13/19°C
16°C12/21°C
16°C12/22°C
17°C13/22°C
17°C13/23°C
18°C13/23°C
18°C13/25°C
21°C15/28°C
21°C16/28°C
20°C14/28°C
21°C16/28°C
21°C16/28°C
20°C15/27°C
18°C13/25°C
18°C13/24°C
19°C13/26°C
21°C16/29°C
22°C16/29°C
26°C19/34°C
28°C23/34°C
26°C20/34°C
25°C17/32°C
--°C/°C
30AQI
27AQI
27AQI
26AQI
2025 Days Vs Air Quality
Willits, California, United States
96%
215
4%
8
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 224 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
Willits, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI
31AQI
33AQI
30AQI
37AQI
30AQI
31AQI
37AQI
43AQI
43AQI
33AQI
37AQI
36AQI
44AQI
49AQI
44AQI
38AQI
41AQI
50AQI
44AQI
50AQI
52AQI
54AQI
54AQI
47AQI
49AQI
55AQI
57AQI
59AQI
63AQI
49AQI
34AQI
28AQI
30AQI
29AQI
35AQI
40AQI
34AQI
36AQI
34AQI
39AQI
45AQI
44AQI
31AQI
32AQI
38AQI
28AQI
28AQI
33AQI
27AQI
30AQI
33AQI
38AQI
26AQI
26AQI
30AQI
35AQI
37AQI
38AQI
39AQI
24AQI
27AQI
27AQI
22AQI
25AQI
34AQI
35AQI
35AQI
34AQI
35AQI
24AQI
22AQI
27AQI
30AQI
21AQI
22AQI
27AQI
26AQI
22AQI
23AQI
19AQI
24AQI
24AQI
26AQI
26AQI
19AQI
20AQI
25AQI
24AQI
19AQI
27AQI
26AQI
27AQI
32AQI
27AQI
30AQI
16AQI
21AQI
25AQI
26AQI
25AQI
20AQI
30AQI
32AQI
35AQI
24AQI
21AQI
29AQI
31AQI
30AQI
27AQI
25AQI
36AQI
36AQI
21AQI
21AQI
21AQI
26AQI
26AQI
38AQI
33AQI
25AQI
19AQI
22AQI
25AQI
33AQI
32AQI
28AQI
30AQI
25AQI
20AQI
17AQI
18AQI
22AQI
23AQI
24AQI
20AQI
21AQI
23AQI
15AQI
25AQI
26AQI
23AQI
28AQI
26AQI
17AQI
20AQI
25AQI
20AQI
23AQI
29AQI
28AQI
38AQI
38AQI
32AQI
26AQI
28AQI
27AQI
28AQI
27AQI
27AQI
27AQI
35AQI
37AQI
30AQI
35AQI
33AQI
26AQI
22AQI
27AQI
28AQI
23AQI
22AQI
24AQI
29AQI
29AQI
24AQI
22AQI
22AQI
26AQI
30AQI
31AQI
28AQI
27AQI
27AQI
27AQI
34AQI
28AQI
25AQI
22AQI
30AQI
47AQI
53AQI
46AQI
44AQI
34AQI
37AQI
29AQI
28AQI
32AQI
24AQI
31AQI
22AQI
24AQI
23AQI
20AQI
19AQI
16AQI
20AQI
28AQI
32AQI
25AQI
28AQI
27AQI
27AQI
30AQI
30AQI
28AQI
26AQI
26AQI
26AQI
26AQI
32AQI
44AQI
34AQI
26AQI
27AQI
24AQI
28AQI
29AQI
28AQI
No. of days
202530AQI
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
May24AQI
202430AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
May22AQI
202326AQI
Highest AQI recorded in
November33AQI
Lowest AQI recorded in
December25AQI
202135AQI
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
January33AQI
202055AQI
Highest AQI recorded in
September108AQI
Lowest AQI recorded in
July16AQI
Most & Least Polluted Years Over the Last 5 Years
Willits's annual 2025 AQI (30) shows an average percentage change of -10.8% (improved AQI) compared to previous years: 2020 (55), 2021 (35), 2023 (26), 2024 (30).