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!
June Air Quality Analysis
Willits, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 17 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Willits, California, United States
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
38AQI
14AQI
18AQI
12AQI
In the last 24 hours,
Willits's AQI reached its highest point of 38 at 8 AM during the Day, while the lowest point, 12, was recorded at 4 AM during the Night between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Willits, California, United States
10°C8/11°C
11°C9/15°C
14°C9/20°C
15°C10/22°C
14°C8/21°C
17°C12/23°C
17°C11/23°C
20°C14/28°C
17°C11/22°C
14°C10/18°C
16°C11/23°C
15°C10/23°C
13°C8/20°C
14°C7/22°C
17°C10/24°C
18°C11/27°C
17°C11/26°C
21°C14/29°C
20°C14/25°C
16°C11/22°C
15°C10/21°C
12°C8/16°C
10°C6/14°C
13°C7/20°C
14°C10/20°C
13°C9/19°C
14°C9/20°C
17°C10/25°C
21°C13/29°C
20°C15/25°C
46AQI
24AQI
35AQI
23AQI
2026 Days Vs Air Quality
Willits, California, United States
98%
147
2%
3
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 153 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
15AQI (US)
13AQI (US)
15AQI (US)
20AQI (US)
24AQI (US)
18AQI (US)
24AQI (US)
33AQI (US)
43AQI (US)
38AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
46AQI (US)
41AQI (US)
46AQI (US)
48AQI (US)
42AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
26AQI (US)
29AQI (US)
44AQI (US)
40AQI (US)
24AQI (US)
32AQI (US)
37AQI (US)
38AQI (US)
30AQI (US)
40AQI (US)
36AQI (US)
32AQI (US)
29AQI (US)
42AQI (US)
35AQI (US)
28AQI (US)
27AQI (US)
30AQI (US)
25AQI (US)
30AQI (US)
34AQI (US)
36AQI (US)
40AQI (US)
34AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
31AQI (US)
30AQI (US)
37AQI (US)
27AQI (US)
27AQI (US)
33AQI (US)
30AQI (US)
45AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
20AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
31AQI (US)
30AQI (US)
24AQI (US)
32AQI (US)
22AQI (US)
18AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
27AQI (US)
33AQI (US)
27AQI (US)
24AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
17AQI (US)
20AQI (US)
16AQI (US)
25AQI (US)
21AQI (US)
23AQI (US)
17AQI (US)
19AQI (US)
27AQI (US)
23AQI (US)
26AQI (US)
32AQI (US)
39AQI (US)
22AQI (US)
27AQI (US)
30AQI (US)
20AQI (US)
25AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
15AQI (US)
22AQI (US)
16AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
32AQI (US)
20AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
36AQI (US)
27AQI (US)
24AQI (US)
42AQI (US)
50AQI (US)
56AQI (US)
52AQI (US)
50AQI (US)
50AQI (US)
41AQI (US)
51AQI (US)
48AQI (US)
44AQI (US)
42AQI (US)
20AQI (US)
23AQI (US)
18AQI (US)
12AQI (US)
14AQI (US)
20AQI (US)
20AQI (US)
17AQI (US)
34AQI (US)
32AQI (US)
26AQI (US)
22AQI (US)
33AQI (US)
19AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
January34AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
December47AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202326AQI (US)
Highest AQI (US) recorded in
November33AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
February45AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202055AQI (US)
Highest AQI (US) recorded in
September108AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Willits's annual 2026 AQI (US) (30) shows an average percentage change of -10.6% (improved AQI (US)) compared to previous years: 2020 (55), 2021 (35), 2023 (26), 2024 (30), 2025 (33).