Riverhead, 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
Riverhead, New York, United States
AQI Trends: Highest and Lowest
Same Day Analysis (NaNth undefined ):
On this day, AQI across the 0 years varied significantly: 2025 ranks 1st highest AQI at 0 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Oct - 2nd Oct 2025
Riverhead, New York, United States
6 AM1st Oct 2025
6 PM
5 AM2nd Oct 2025
26AQI
10AQI
16AQI
10AQI
In the last 24 hours,
Riverhead's AQI reached its highest point of 26 at 7 AM during the Day, while the lowest point, 10, was recorded at 8 PM during the Night between 1st Oct and 2nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Riverhead, New York, United States
20°C16/24°C
20°C16/26°C
20°C16/25°C
23°C19/29°C
24°C22/30°C
20°C17/21°C
18°C14/21°C
19°C15/22°C
18°C16/20°C
20°C15/27°C
21°C17/26°C
20°C15/24°C
21°C18/24°C
20°C17/24°C
19°C17/23°C
19°C17/20°C
22°C19/27°C
23°C19/28°C
18°C16/22°C
17°C13/22°C
17°C12/23°C
21°C17/26°C
22°C19/26°C
22°C20/23°C
23°C20/28°C
22°C18/27°C
22°C18/28°C
21°C18/26°C
21°C18/27°C
17°C14/22°C
--°C/°C
33AQI
31AQI
34AQI
32AQI
2025 Days Vs Air Quality
Riverhead, New York, United States
84%
157
16%
31
Total number of days with different AQI categories in last 275 days in 2025 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 275 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
Riverhead, New York, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
34AQI
50AQI
31AQI
46AQI
19AQI
20AQI
43AQI
29AQI
18AQI
18AQI
17AQI
22AQI
17AQI
29AQI
21AQI
14AQI
16AQI
28AQI
41AQI
14AQI
19AQI
32AQI
58AQI
22AQI
20AQI
39AQI
23AQI
43AQI
36AQI
37AQI
13AQI
18AQI
30AQI
28AQI
17AQI
45AQI
53AQI
37AQI
24AQI
25AQI
27AQI
30AQI
21AQI
15AQI
29AQI
26AQI
36AQI
30AQI
28AQI
41AQI
42AQI
17AQI
13AQI
13AQI
17AQI
13AQI
14AQI
13AQI
14AQI
18AQI
28AQI
23AQI
20AQI
35AQI
22AQI
15AQI
18AQI
29AQI
42AQI
58AQI
57AQI
45AQI
52AQI
55AQI
33AQI
49AQI
63AQI
65AQI
59AQI
43AQI
36AQI
33AQI
30AQI
37AQI
30AQI
51AQI
52AQI
58AQI
59AQI
50AQI
41AQI
27AQI
29AQI
44AQI
45AQI
43AQI
34AQI
45AQI
46AQI
63AQI
59AQI
41AQI
42AQI
31AQI
35AQI
37AQI
30AQI
21AQI
23AQI
25AQI
38AQI
34AQI
21AQI
22AQI
24AQI
33AQI
25AQI
27AQI
31AQI
44AQI
61AQI
84AQI
57AQI
60AQI
56AQI
61AQI
47AQI
48AQI
55AQI
65AQI
90AQI
65AQI
48AQI
30AQI
35AQI
41AQI
56AQI
51AQI
39AQI
41AQI
59AQI
56AQI
56AQI
28AQI
18AQI
21AQI
17AQI
28AQI
38AQI
29AQI
30AQI
18AQI
17AQI
28AQI
31AQI
19AQI
24AQI
29AQI
28AQI
30AQI
26AQI
45AQI
53AQI
44AQI
27AQI
26AQI
24AQI
29AQI
41AQI
44AQI
45AQI
49AQI
33AQI
23AQI
25AQI
33AQI
27AQI
30AQI
29AQI
31AQI
45AQI
24AQI
23AQI
22AQI
30AQI
41AQI
48AQI
36AQI
26AQI
25AQI
44AQI
40AQI
40AQI
33AQI
No. of days
202535AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 1 Years
Riverhead's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .