Williamson, New York, 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
Williamson, New York, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Williamson, New York, United States
7 AM15th Oct 2025
6 PM
6 AM16th Oct 2025
41AQI
35AQI
56AQI
32AQI
In the last 24 hours,
Williamson's AQI reached its highest point of 56 at 12 AM during the Night, while the lowest point, 32, was recorded at 7 PM during the Night between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Williamson, New York, United States
16°C8/26°C
18°C9/26°C
17°C6/26°C
17°C13/20°C
14°C8/21°C
19°C7/29°C
21°C16/26°C
20°C18/25°C
19°C16/23°C
19°C17/22°C
19°C16/24°C
19°C12/28°C
20°C14/27°C
17°C9/27°C
16°C10/23°C
13°C9/18°C
13°C4/23°C
17°C10/26°C
19°C11/29°C
21°C13/31°C
22°C14/31°C
20°C16/26°C
14°C9/17°C
9°C4/13°C
10°C0/21°C
13°C9/19°C
14°C10/21°C
13°C11/15°C
14°C11/18°C
12°C8/14°C
--°C/°C
36AQI
36AQI
39AQI
36AQI
2025 Days Vs Air Quality
Williamson, New York, United States
86%
174
14%
28
0.4%
1
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 289 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
Williamson, New York, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
22AQI
23AQI
33AQI
22AQI
17AQI
20AQI
23AQI
18AQI
17AQI
17AQI
18AQI
16AQI
18AQI
30AQI
36AQI
35AQI
28AQI
26AQI
21AQI
13AQI
18AQI
32AQI
42AQI
16AQI
22AQI
18AQI
21AQI
29AQI
40AQI
30AQI
13AQI
18AQI
30AQI
16AQI
19AQI
24AQI
17AQI
17AQI
14AQI
17AQI
22AQI
16AQI
17AQI
19AQI
19AQI
24AQI
33AQI
19AQI
22AQI
28AQI
29AQI
17AQI
12AQI
12AQI
15AQI
11AQI
12AQI
12AQI
14AQI
20AQI
25AQI
24AQI
16AQI
30AQI
25AQI
14AQI
17AQI
32AQI
55AQI
48AQI
53AQI
59AQI
74AQI
51AQI
34AQI
55AQI
65AQI
37AQI
36AQI
44AQI
31AQI
23AQI
24AQI
23AQI
34AQI
46AQI
47AQI
53AQI
56AQI
47AQI
47AQI
33AQI
29AQI
27AQI
34AQI
34AQI
34AQI
48AQI
33AQI
50AQI
53AQI
49AQI
24AQI
33AQI
43AQI
45AQI
42AQI
40AQI
44AQI
56AQI
59AQI
29AQI
20AQI
25AQI
25AQI
40AQI
21AQI
24AQI
42AQI
39AQI
44AQI
39AQI
50AQI
50AQI
49AQI
74AQI
34AQI
35AQI
75AQI
103AQI
100AQI
78AQI
84AQI
83AQI
66AQI
56AQI
53AQI
53AQI
45AQI
53AQI
61AQI
58AQI
47AQI
15AQI
19AQI
16AQI
15AQI
24AQI
27AQI
27AQI
17AQI
16AQI
18AQI
21AQI
17AQI
18AQI
25AQI
30AQI
28AQI
26AQI
26AQI
35AQI
26AQI
20AQI
20AQI
21AQI
26AQI
33AQI
38AQI
46AQI
50AQI
45AQI
38AQI
37AQI
32AQI
24AQI
23AQI
23AQI
30AQI
33AQI
31AQI
20AQI
24AQI
21AQI
29AQI
28AQI
22AQI
35AQI
40AQI
46AQI
55AQI
58AQI
53AQI
42AQI
27AQI
26AQI
39AQI
38AQI
36AQI
36AQI
41AQI
36AQI
24AQI
23AQI
19AQI
41AQI
41AQI
44AQI
30AQI
41AQI
No. of days
202533AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 1 Years
Williamson's annual 2025 AQI (33) shows an average percentage change of NaN% (improved AQI) compared to previous years: .