Rochester, 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!
September Air Quality Analysis
Rochester, New York, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 24 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Sep - 4th Sep 2025
Rochester, New York, United States
6 AM3rd Sep 2025
8 PM
5 AM4th Sep 2025
45AQI
35AQI
45AQI
37AQI
In the last 24 hours,
Rochester's AQI reached its highest point of 45 at 6 PM during the Day, while the lowest point, 35, was recorded at 6 AM during the Day between 3rd Sep and 4th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rochester, New York, United States
24°C18/31°C
24°C18/30°C
25°C18/32°C
25°C19/32°C
26°C19/34°C
27°C20/33°C
27°C20/34°C
28°C22/33°C
27°C21/33°C
24°C20/30°C
24°C16/32°C
26°C20/33°C
21°C19/26°C
20°C16/24°C
21°C12/28°C
18°C14/18°C
18°C15/24°C
21°C12/29°C
22°C16/28°C
23°C19/27°C
19°C15/24°C
17°C12/21°C
17°C13/22°C
18°C12/24°C
16°C13/19°C
16°C7/23°C
17°C8/24°C
17°C10/24°C
20°C13/28°C
21°C13/30°C
--°C/°C
40AQI
40AQI
42AQI
42AQI
2025 Days Vs Air Quality
Rochester, New York, United States
84%
136
15%
24
0.6%
1
Total number of days with different AQI categories in last 247 days in 2025 (118 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 247 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
Rochester, New York, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
23AQI
23AQI
38AQI
23AQI
17AQI
22AQI
25AQI
17AQI
18AQI
18AQI
19AQI
16AQI
19AQI
30AQI
42AQI
43AQI
33AQI
28AQI
21AQI
15AQI
20AQI
33AQI
43AQI
16AQI
25AQI
18AQI
23AQI
29AQI
37AQI
33AQI
14AQI
18AQI
32AQI
18AQI
21AQI
25AQI
17AQI
18AQI
15AQI
19AQI
27AQI
17AQI
19AQI
21AQI
19AQI
25AQI
32AQI
18AQI
22AQI
29AQI
29AQI
18AQI
13AQI
12AQI
16AQI
12AQI
14AQI
14AQI
15AQI
21AQI
26AQI
23AQI
19AQI
33AQI
27AQI
16AQI
19AQI
32AQI
56AQI
43AQI
54AQI
58AQI
77AQI
50AQI
40AQI
58AQI
66AQI
38AQI
34AQI
43AQI
32AQI
23AQI
25AQI
24AQI
37AQI
46AQI
48AQI
54AQI
57AQI
48AQI
43AQI
34AQI
29AQI
29AQI
36AQI
37AQI
39AQI
50AQI
33AQI
51AQI
53AQI
50AQI
25AQI
38AQI
48AQI
48AQI
44AQI
47AQI
50AQI
59AQI
60AQI
31AQI
20AQI
25AQI
26AQI
43AQI
21AQI
25AQI
42AQI
39AQI
40AQI
35AQI
50AQI
49AQI
48AQI
74AQI
32AQI
34AQI
73AQI
104AQI
100AQI
78AQI
89AQI
91AQI
71AQI
57AQI
50AQI
52AQI
41AQI
55AQI
62AQI
60AQI
46AQI
15AQI
21AQI
17AQI
16AQI
25AQI
29AQI
30AQI
18AQI
18AQI
19AQI
22AQI
18AQI
20AQI
25AQI
32AQI
28AQI
24AQI
26AQI
25AQI
21AQI
42AQI
42AQI
45AQI
28AQI
No. of days
202534AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Rochester's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .