Allentown, Ross Township, Pennsylvania, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Allentown, Ross Township, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Allentown, Ross Township, Pennsylvania, United States
5 AM12th Aug 2025
8 PM
4 AM13th Aug 2025
53AQI
51AQI
55AQI
48AQI
In the last 24 hours,
Allentown's AQI reached its highest point of 55 at 2 AM during the Night, while the lowest point, 48, was recorded at 4 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Allentown, Ross Township, Pennsylvania, United States
23°C21/26°C
24°C18/30°C
26°C20/30°C
26°C21/33°C
23°C20/28°C
22°C18/27°C
25°C21/30°C
23°C18/29°C
20°C15/24°C
22°C17/26°C
24°C18/31°C
27°C21/37°C
23°C19/28°C
24°C19/28°C
27°C20/33°C
27°C20/33°C
28°C21/34°C
23°C17/29°C
19°C16/24°C
20°C13/24°C
21°C13/29°C
23°C12/32°C
24°C16/31°C
21°C18/25°C
22°C15/28°C
20°C13/28°C
21°C13/30°C
23°C15/31°C
21°C16/29°C
24°C16/30°C
--°C/°C
47AQI
47AQI
47AQI
47AQI
2025 Days Vs Air Quality
Allentown, Ross Township, Pennsylvania, United States
85%
191
15%
33
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 225 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
Allentown, Ross Township, Pennsylvania, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
21AQI
24AQI
26AQI
26AQI
24AQI
22AQI
16AQI
21AQI
30AQI
37AQI
46AQI
47AQI
27AQI
24AQI
46AQI
54AQI
45AQI
37AQI
26AQI
34AQI
51AQI
73AQI
57AQI
55AQI
48AQI
32AQI
29AQI
39AQI
29AQI
57AQI
32AQI
27AQI
64AQI
38AQI
26AQI
31AQI
31AQI
29AQI
28AQI
29AQI
43AQI
54AQI
25AQI
30AQI
30AQI
22AQI
29AQI
27AQI
25AQI
23AQI
27AQI
41AQI
49AQI
47AQI
47AQI
36AQI
46AQI
29AQI
28AQI
30AQI
29AQI
44AQI
29AQI
24AQI
33AQI
32AQI
30AQI
31AQI
41AQI
30AQI
27AQI
41AQI
40AQI
30AQI
20AQI
18AQI
28AQI
24AQI
17AQI
23AQI
18AQI
32AQI
24AQI
19AQI
18AQI
34AQI
58AQI
47AQI
43AQI
17AQI
20AQI
24AQI
22AQI
20AQI
19AQI
20AQI
19AQI
20AQI
26AQI
29AQI
16AQI
20AQI
27AQI
29AQI
12AQI
28AQI
42AQI
55AQI
22AQI
19AQI
24AQI
22AQI
47AQI
40AQI
24AQI
12AQI
17AQI
26AQI
22AQI
20AQI
30AQI
31AQI
24AQI
21AQI
19AQI
21AQI
26AQI
15AQI
18AQI
28AQI
31AQI
27AQI
20AQI
24AQI
28AQI
31AQI
16AQI
16AQI
14AQI
15AQI
12AQI
12AQI
12AQI
14AQI
19AQI
25AQI
18AQI
22AQI
29AQI
25AQI
16AQI
19AQI
31AQI
52AQI
62AQI
59AQI
47AQI
46AQI
33AQI
33AQI
57AQI
65AQI
71AQI
62AQI
41AQI
35AQI
22AQI
22AQI
22AQI
23AQI
39AQI
41AQI
53AQI
54AQI
53AQI
40AQI
34AQI
27AQI
33AQI
38AQI
28AQI
32AQI
44AQI
51AQI
85AQI
60AQI
41AQI
35AQI
34AQI
36AQI
41AQI
36AQI
30AQI
30AQI
30AQI
37AQI
28AQI
19AQI
23AQI
30AQI
34AQI
37AQI
39AQI
45AQI
50AQI
41AQI
61AQI
41AQI
49AQI
49AQI
54AQI
50AQI
36AQI
51AQI
67AQI
83AQI
81AQI
66AQI
60AQI
50AQI
47AQI
52AQI
52AQI
37AQI
34AQI
30AQI
25AQI
21AQI
41AQI
40AQI
58AQI
No. of days
202534AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
May21AQI
202432AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November26AQI
202339AQI
Highest AQI recorded in
June70AQI
Lowest AQI recorded in
October27AQI
202236AQI
Highest AQI recorded in
January43AQI
Lowest AQI recorded in
September28AQI
202141AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
September35AQI
202037AQI
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
October31AQI
Most & Least Polluted Years Over the Last 6 Years
Allentown's annual 2025 AQI (34) shows an average percentage change of -7.4% (improved AQI) compared to previous years: 2020 (37), 2021 (41), 2022 (36), 2023 (39), 2024 (32).