East Co Road 49, Willows, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
East Co Road 49, Willows, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 16 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Nov - 18th Nov 2025
East Co Road 49, Willows, California, United States
6 AM17th Nov 2025
5 PM
5 AM18th Nov 2025
17AQI
10AQI
26AQI
12AQI
In the last 24 hours,
East Co Road 49's AQI reached its highest point of 26 at 2 AM during the Night, while the lowest point, 10, was recorded at 12 PM during the Day between 17th Nov and 18th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
East Co Road 49, Willows, California, United States
--°C/°C
21°C15/29°C
18°C8/29°C
17°C11/25°C
17°C9/27°C
15°C9/23°C
17°C14/23°C
15°C12/18°C
15°C9/22°C
17°C11/26°C
19°C10/30°C
18°C13/23°C
18°C13/25°C
16°C6/27°C
19°C11/28°C
17°C9/26°C
16°C14/21°C
15°C13/18°C
15°C12/21°C
15°C12/21°C
16°C11/24°C
17°C9/27°C
17°C10/27°C
16°C10/25°C
14°C9/20°C
15°C12/17°C
13°C11/18°C
15°C10/22°C
15°C13/19°C
12°C10/14°C
11°C7/16°C
36AQI
24AQI
45AQI
30AQI
2025 Days Vs Air Quality
East Co Road 49, Willows, California, United States
92%
219
8%
18
Total number of days with different AQI categories in last 323 days in 2025 (42 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 323 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
East Co Road 49, Willows, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
18AQI
22AQI
17AQI
32AQI
26AQI
20AQI
18AQI
20AQI
24AQI
24AQI
29AQI
15AQI
18AQI
22AQI
22AQI
35AQI
23AQI
27AQI
23AQI
35AQI
40AQI
27AQI
30AQI
35AQI
40AQI
27AQI
31AQI
43AQI
50AQI
37AQI
34AQI
23AQI
20AQI
27AQI
30AQI
26AQI
39AQI
27AQI
26AQI
23AQI
28AQI
48AQI
49AQI
46AQI
38AQI
35AQI
20AQI
16AQI
18AQI
24AQI
25AQI
27AQI
27AQI
21AQI
19AQI
26AQI
26AQI
21AQI
33AQI
31AQI
22AQI
28AQI
36AQI
35AQI
38AQI
42AQI
40AQI
47AQI
45AQI
39AQI
41AQI
41AQI
39AQI
32AQI
35AQI
36AQI
47AQI
51AQI
51AQI
45AQI
41AQI
41AQI
38AQI
38AQI
36AQI
42AQI
24AQI
21AQI
23AQI
28AQI
33AQI
32AQI
39AQI
31AQI
38AQI
35AQI
37AQI
42AQI
42AQI
32AQI
49AQI
32AQI
28AQI
29AQI
24AQI
39AQI
62AQI
62AQI
52AQI
46AQI
42AQI
34AQI
31AQI
26AQI
32AQI
25AQI
33AQI
22AQI
21AQI
24AQI
31AQI
23AQI
22AQI
33AQI
36AQI
33AQI
37AQI
40AQI
37AQI
35AQI
41AQI
38AQI
37AQI
38AQI
38AQI
37AQI
36AQI
41AQI
42AQI
40AQI
25AQI
40AQI
24AQI
22AQI
23AQI
30AQI
28AQI
33AQI
44AQI
51AQI
45AQI
38AQI
43AQI
47AQI
39AQI
40AQI
36AQI
35AQI
25AQI
38AQI
39AQI
42AQI
30AQI
36AQI
36AQI
33AQI
18AQI
22AQI
29AQI
40AQI
44AQI
37AQI
36AQI
47AQI
47AQI
48AQI
50AQI
53AQI
50AQI
42AQI
38AQI
53AQI
68AQI
55AQI
61AQI
45AQI
39AQI
35AQI
16AQI
35AQI
30AQI
26AQI
26AQI
36AQI
40AQI
62AQI
54AQI
45AQI
23AQI
35AQI
40AQI
38AQI
15AQI
33AQI
42AQI
50AQI
53AQI
26AQI
27AQI
39AQI
51AQI
87AQI
41AQI
18AQI
39AQI
27AQI
31AQI
63AQI
50AQI
40AQI
33AQI
35AQI
19AQI
23AQI
20AQI
18AQI
25AQI
31AQI
32AQI
40AQI
51AQI
40AQI
17AQI
20AQI
20AQI
16AQI
22AQI
28AQI
30AQI
38AQI
35AQI
37AQI
41AQI
39AQI
28AQI
No. of days
202534AQI
Highest AQI recorded in
September41AQI
Lowest AQI recorded in
March22AQI
Most & Least Polluted Years Over the Last 1 Years
East Co Road 49's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .