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!
July Air Quality Analysis
Reading, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (30th July ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 31st Jul - 1st Aug 2025
Reading, Pennsylvania, United States
5 AM31st Jul 2025
8 PM
4 AM1st Aug 2025
AQI
AQI
37AQI
23AQI
In the last 24 hours,
Reading's AQI reached its highest point of 37 at 3 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 31st Jul and 1st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Reading, Pennsylvania, United States
25°C19/30°C
24°C16/33°C
22°C13/30°C
23°C13/32°C
25°C17/33°C
26°C22/30°C
27°C21/34°C
26°C21/34°C
24°C20/29°C
24°C17/33°C
27°C22/31°C
25°C21/30°C
24°C21/28°C
25°C20/30°C
25°C19/31°C
27°C21/35°C
23°C20/29°C
23°C19/29°C
26°C20/31°C
23°C18/28°C
21°C15/29°C
23°C18/27°C
25°C17/33°C
27°C20/37°C
25°C20/31°C
25°C21/31°C
27°C20/34°C
27°C19/36°C
27°C19/36°C
--°C/°C
--°C/°C
30AQI
30AQI
29AQI
29AQI
2025 Days Vs Air Quality
Reading, Pennsylvania, United States
83%
104
17%
22
Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 212 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
44AQI
27AQI
24AQI
42AQI
42AQI
No. of days
202534AQI
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Reading's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .