Morrisville, North Carolina, 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
Morrisville, North Carolina, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Aug - 15th Aug 2025
Morrisville, North Carolina, United States
6 AM14th Aug 2025
8 PM
5 AM15th Aug 2025
33AQI
26AQI
32AQI
26AQI
In the last 24 hours,
Morrisville's AQI reached its highest point of 33 at 4 PM during the Day, while the lowest point, 26, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Morrisville, North Carolina, United States
27°C24/32°C
28°C24/33°C
30°C25/36°C
29°C25/36°C
31°C24/38°C
31°C25/38°C
29°C24/35°C
27°C22/34°C
27°C22/32°C
31°C24/38°C
33°C26/40°C
32°C26/38°C
32°C26/38°C
30°C26/35°C
30°C23/37°C
27°C25/29°C
27°C23/31°C
23°C20/26°C
23°C18/30°C
25°C18/31°C
20°C17/22°C
20°C19/22°C
21°C19/23°C
24°C20/30°C
23°C18/28°C
25°C19/31°C
25°C21/31°C
25°C23/30°C
25°C23/28°C
26°C24/30°C
--°C/°C
39AQI
39AQI
39AQI
37AQI
2025 Days Vs Air Quality
Morrisville, North Carolina, United States
91%
205
9%
21
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Morrisville, North Carolina, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
22AQI
29AQI
21AQI
24AQI
22AQI
21AQI
23AQI
25AQI
39AQI
33AQI
32AQI
42AQI
26AQI
28AQI
40AQI
32AQI
39AQI
42AQI
22AQI
25AQI
29AQI
46AQI
44AQI
44AQI
44AQI
43AQI
34AQI
28AQI
31AQI
44AQI
23AQI
23AQI
40AQI
46AQI
25AQI
47AQI
36AQI
29AQI
34AQI
24AQI
31AQI
21AQI
22AQI
24AQI
24AQI
22AQI
21AQI
26AQI
26AQI
25AQI
24AQI
28AQI
34AQI
39AQI
47AQI
40AQI
64AQI
27AQI
34AQI
25AQI
29AQI
31AQI
31AQI
24AQI
35AQI
41AQI
27AQI
34AQI
32AQI
45AQI
59AQI
57AQI
51AQI
26AQI
25AQI
18AQI
47AQI
52AQI
17AQI
33AQI
31AQI
47AQI
28AQI
22AQI
22AQI
43AQI
40AQI
32AQI
34AQI
19AQI
29AQI
43AQI
49AQI
48AQI
32AQI
36AQI
21AQI
21AQI
30AQI
24AQI
19AQI
23AQI
40AQI
39AQI
24AQI
32AQI
48AQI
41AQI
48AQI
53AQI
50AQI
49AQI
49AQI
52AQI
40AQI
21AQI
27AQI
38AQI
51AQI
53AQI
45AQI
33AQI
21AQI
33AQI
29AQI
33AQI
42AQI
30AQI
24AQI
35AQI
26AQI
21AQI
30AQI
42AQI
53AQI
34AQI
28AQI
30AQI
35AQI
35AQI
26AQI
19AQI
21AQI
25AQI
33AQI
21AQI
17AQI
26AQI
26AQI
34AQI
47AQI
35AQI
37AQI
46AQI
37AQI
41AQI
36AQI
37AQI
36AQI
33AQI
46AQI
44AQI
38AQI
31AQI
34AQI
32AQI
30AQI
38AQI
33AQI
27AQI
41AQI
44AQI
57AQI
61AQI
63AQI
51AQI
53AQI
44AQI
50AQI
48AQI
40AQI
32AQI
32AQI
53AQI
65AQI
34AQI
32AQI
55AQI
49AQI
33AQI
35AQI
45AQI
41AQI
40AQI
34AQI
34AQI
36AQI
37AQI
37AQI
28AQI
43AQI
40AQI
52AQI
41AQI
44AQI
50AQI
51AQI
30AQI
41AQI
36AQI
44AQI
34AQI
26AQI
33AQI
37AQI
38AQI
31AQI
42AQI
81AQI
50AQI
35AQI
23AQI
21AQI
27AQI
29AQI
32AQI
31AQI
35AQI
37AQI
31AQI
42AQI
41AQI
36AQI
No. of days
202535AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
May31AQI
202434AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
January28AQI
202337AQI
Highest AQI recorded in
June59AQI
Lowest AQI recorded in
January30AQI
202232AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
August27AQI
202133AQI
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
June25AQI
202031AQI
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 6 Years
Morrisville's annual 2025 AQI (35) shows an average percentage change of 6.3% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (32), 2023 (37), 2024 (34).