Erie, Pennsylvania, 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
Erie, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Oct - 29th Oct 2025
Erie, Pennsylvania, United States
7 AM28th Oct 2025
6 PM
6 AM29th Oct 2025
23AQI
17AQI
27AQI
17AQI
In the last 24 hours,
Erie's AQI reached its highest point of 27 at 12 AM during the Night, while the lowest point, 17, was recorded at 5 AM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Erie, Pennsylvania, United States
20°C14/24°C
20°C16/24°C
18°C13/22°C
18°C14/22°C
19°C17/22°C
21°C18/24°C
21°C18/24°C
21°C19/24°C
20°C17/21°C
16°C13/17°C
13°C10/16°C
15°C10/21°C
16°C14/18°C
17°C13/21°C
17°C14/20°C
17°C15/20°C
16°C15/18°C
13°C11/16°C
13°C9/19°C
18°C14/24°C
18°C15/22°C
13°C12/14°C
13°C11/18°C
11°C9/12°C
12°C11/12°C
11°C9/13°C
10°C8/12°C
10°C8/13°C
10°C6/15°C
11°C7/16°C
--°C/°C
33AQI
27AQI
37AQI
28AQI
2025 Days Vs Air Quality
Erie, Pennsylvania, United States
81%
176
18%
39
0.4%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 302 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
Erie, Pennsylvania, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
40AQI
52AQI
38AQI
19AQI
17AQI
22AQI
20AQI
18AQI
17AQI
16AQI
19AQI
15AQI
19AQI
30AQI
32AQI
36AQI
27AQI
31AQI
17AQI
13AQI
28AQI
47AQI
43AQI
18AQI
27AQI
18AQI
29AQI
43AQI
44AQI
20AQI
16AQI
24AQI
37AQI
17AQI
27AQI
27AQI
20AQI
17AQI
21AQI
20AQI
24AQI
20AQI
24AQI
24AQI
25AQI
30AQI
22AQI
17AQI
24AQI
30AQI
25AQI
17AQI
16AQI
15AQI
16AQI
12AQI
12AQI
11AQI
17AQI
29AQI
28AQI
15AQI
23AQI
31AQI
27AQI
14AQI
17AQI
36AQI
67AQI
67AQI
69AQI
85AQI
79AQI
55AQI
45AQI
60AQI
69AQI
59AQI
38AQI
43AQI
30AQI
28AQI
27AQI
22AQI
30AQI
39AQI
43AQI
55AQI
56AQI
52AQI
49AQI
41AQI
31AQI
31AQI
36AQI
30AQI
36AQI
47AQI
49AQI
64AQI
54AQI
47AQI
36AQI
44AQI
54AQI
52AQI
42AQI
36AQI
47AQI
71AQI
69AQI
30AQI
16AQI
25AQI
29AQI
53AQI
30AQI
28AQI
52AQI
35AQI
36AQI
31AQI
38AQI
46AQI
45AQI
86AQI
56AQI
33AQI
66AQI
112AQI
96AQI
83AQI
84AQI
83AQI
67AQI
59AQI
56AQI
53AQI
33AQI
59AQI
72AQI
63AQI
40AQI
17AQI
28AQI
19AQI
14AQI
22AQI
30AQI
27AQI
16AQI
19AQI
22AQI
25AQI
19AQI
20AQI
30AQI
30AQI
32AQI
34AQI
26AQI
43AQI
23AQI
20AQI
25AQI
28AQI
32AQI
43AQI
51AQI
52AQI
52AQI
48AQI
44AQI
48AQI
49AQI
39AQI
21AQI
29AQI
33AQI
24AQI
30AQI
23AQI
28AQI
23AQI
30AQI
31AQI
31AQI
22AQI
22AQI
41AQI
53AQI
49AQI
47AQI
26AQI
41AQI
37AQI
30AQI
43AQI
43AQI
38AQI
39AQI
26AQI
34AQI
37AQI
43AQI
43AQI
24AQI
24AQI
17AQI
12AQI
16AQI
17AQI
23AQI
22AQI
20AQI
35AQI
25AQI
21AQI
46AQI
44AQI
46AQI
34AQI
32AQI
No. of days
202535AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Erie's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .