Reading, 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
Reading, Pennsylvania, 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
Reading, Pennsylvania, United States
6 AM1st Oct 2025
7 PM
5 AM2nd Oct 2025
47AQI
39AQI
77AQI
36AQI
In the last 24 hours,
Reading's AQI reached its highest point of 77 at 3 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 1st Oct and 2nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Reading, Pennsylvania, United States
18°C9/24°C
19°C10/25°C
20°C11/30°C
22°C18/31°C
23°C19/28°C
19°C15/23°C
16°C8/23°C
16°C7/25°C
17°C14/20°C
20°C14/26°C
19°C9/28°C
19°C11/29°C
22°C14/30°C
20°C12/26°C
18°C12/25°C
17°C13/22°C
21°C16/29°C
21°C12/30°C
17°C11/24°C
19°C12/28°C
19°C15/25°C
22°C16/31°C
21°C17/27°C
23°C20/28°C
22°C18/29°C
21°C15/29°C
23°C18/32°C
21°C15/28°C
21°C15/30°C
18°C11/24°C
--°C/°C
29AQI
24AQI
31AQI
27AQI
2025 Days Vs Air Quality
Reading, Pennsylvania, United States
82%
155
18%
33
Total number of days with different AQI categories in last 275 days in 2025 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% 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
Reading, Pennsylvania, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
42AQI
62AQI
54AQI
42AQI
18AQI
21AQI
27AQI
26AQI
26AQI
27AQI
24AQI
23AQI
20AQI
27AQI
27AQI
14AQI
19AQI
33AQI
31AQI
12AQI
20AQI
37AQI
59AQI
26AQI
23AQI
25AQI
29AQI
58AQI
38AQI
28AQI
12AQI
18AQI
28AQI
28AQI
24AQI
43AQI
36AQI
28AQI
21AQI
22AQI
20AQI
31AQI
17AQI
20AQI
34AQI
34AQI
23AQI
21AQI
30AQI
33AQI
36AQI
17AQI
17AQI
18AQI
17AQI
11AQI
18AQI
12AQI
14AQI
18AQI
31AQI
18AQI
28AQI
34AQI
31AQI
17AQI
22AQI
32AQI
52AQI
59AQI
57AQI
46AQI
41AQI
25AQI
35AQI
57AQI
64AQI
74AQI
67AQI
31AQI
33AQI
23AQI
25AQI
23AQI
26AQI
42AQI
46AQI
54AQI
55AQI
54AQI
40AQI
38AQI
30AQI
36AQI
45AQI
28AQI
31AQI
44AQI
48AQI
71AQI
59AQI
35AQI
34AQI
34AQI
39AQI
46AQI
38AQI
28AQI
25AQI
28AQI
39AQI
27AQI
22AQI
26AQI
33AQI
36AQI
49AQI
56AQI
40AQI
55AQI
39AQI
69AQI
55AQI
58AQI
59AQI
58AQI
33AQI
38AQI
51AQI
62AQI
82AQI
79AQI
59AQI
52AQI
39AQI
49AQI
46AQI
44AQI
34AQI
33AQI
48AQI
52AQI
51AQI
30AQI
25AQI
18AQI
16AQI
25AQI
33AQI
27AQI
24AQI
19AQI
21AQI
28AQI
31AQI
20AQI
27AQI
28AQI
31AQI
32AQI
29AQI
38AQI
54AQI
38AQI
23AQI
24AQI
24AQI
27AQI
36AQI
47AQI
49AQI
52AQI
45AQI
25AQI
26AQI
41AQI
24AQI
27AQI
24AQI
34AQI
35AQI
30AQI
29AQI
29AQI
36AQI
41AQI
27AQI
44AQI
27AQI
24AQI
42AQI
42AQI
39AQI
34AQI
No. of days
202535AQI
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Reading's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .