Lancaster, 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
Lancaster, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Lancaster, Pennsylvania, United States
5 AM6th Aug 2026
8 PM
4 AM7th Aug 2026
51AQI
27AQI
51AQI
29AQI
In the last 24 hours,
Lancaster's AQI reached its highest point of 51 at 1 PM during the Day, while the lowest point, 27, was recorded at 6 AM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Lancaster, Pennsylvania, United States
24°C22/29°C
25°C21/31°C
24°C20/31°C
25°C19/31°C
24°C18/31°C
25°C18/33°C
28°C21/36°C
28°C22/35°C
25°C19/31°C
24°C17/33°C
25°C20/30°C
22°C14/30°C
26°C21/33°C
25°C20/33°C
21°C15/29°C
22°C12/31°C
22°C15/30°C
22°C16/31°C
25°C18/33°C
23°C20/31°C
23°C18/27°C
23°C18/29°C
25°C19/32°C
25°C18/32°C
26°C23/31°C
26°C23/32°C
24°C17/32°C
24°C21/30°C
27°C22/34°C
25°C22/33°C
44AQI
37AQI
41AQI
38AQI
2026 Days Vs Air Quality
Lancaster, Pennsylvania, United States
89%
193
10%
22
0.4%
1
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 219 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
Lancaster, Pennsylvania, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
26AQI (US)
46AQI (US)
58AQI (US)
50AQI (US)
84AQI (US)
76AQI (US)
48AQI (US)
63AQI (US)
46AQI (US)
28AQI (US)
21AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
19AQI (US)
42AQI (US)
102AQI (US)
38AQI (US)
19AQI (US)
58AQI (US)
48AQI (US)
53AQI (US)
48AQI (US)
48AQI (US)
49AQI (US)
42AQI (US)
47AQI (US)
54AQI (US)
60AQI (US)
45AQI (US)
46AQI (US)
49AQI (US)
47AQI (US)
48AQI (US)
48AQI (US)
45AQI (US)
41AQI (US)
47AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
48AQI (US)
40AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
42AQI (US)
40AQI (US)
37AQI (US)
37AQI (US)
38AQI (US)
44AQI (US)
44AQI (US)
34AQI (US)
33AQI (US)
33AQI (US)
38AQI (US)
55AQI (US)
45AQI (US)
43AQI (US)
39AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
37AQI (US)
32AQI (US)
40AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
41AQI (US)
36AQI (US)
32AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
39AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
35AQI (US)
39AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
47AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
51AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
29AQI (US)
27AQI (US)
19AQI (US)
17AQI (US)
20AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
19AQI (US)
22AQI (US)
27AQI (US)
27AQI (US)
21AQI (US)
17AQI (US)
17AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
45AQI (US)
40AQI (US)
29AQI (US)
46AQI (US)
21AQI (US)
20AQI (US)
13AQI (US)
19AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
32AQI (US)
45AQI (US)
70AQI (US)
65AQI (US)
62AQI (US)
61AQI (US)
58AQI (US)
41AQI (US)
42AQI (US)
37AQI (US)
29AQI (US)
33AQI (US)
52AQI (US)
56AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
49AQI (US)
37AQI (US)
37AQI (US)
30AQI (US)
32AQI (US)
42AQI (US)
34AQI (US)
46AQI (US)
42AQI (US)
35AQI (US)
29AQI (US)
35AQI (US)
23AQI (US)
38AQI (US)
37AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
January46AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
December47AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
February45AQI (US)
Lowest AQI (US) recorded in
November32AQI (US)
202345AQI (US)
Highest AQI (US) recorded in
June76AQI (US)
Lowest AQI (US) recorded in
October33AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
October36AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
November49AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Lancaster's annual 2026 AQI (US) (36) shows an average percentage change of -9.9% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (42), 2022 (40), 2023 (45), 2024 (38), 2025 (37).