Raleigh, 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
Raleigh, North Carolina, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 32 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Raleigh, North Carolina, United States
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
44AQI
21AQI
40AQI
23AQI
In the last 24 hours,
Raleigh's AQI reached its highest point of 44 at 1 PM during the Day, while the lowest point, 21, was recorded at 12 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Raleigh, North Carolina, United States
31°C25/39°C
29°C24/36°C
26°C23/33°C
28°C22/35°C
30°C25/37°C
23°C21/25°C
22°C20/25°C
21°C20/22°C
24°C20/30°C
26°C22/32°C
26°C21/32°C
26°C22/32°C
25°C19/33°C
25°C18/34°C
26°C20/32°C
27°C23/31°C
26°C24/31°C
26°C23/31°C
27°C22/33°C
28°C23/34°C
28°C22/36°C
28°C23/37°C
29°C22/37°C
29°C22/35°C
29°C24/38°C
28°C22/36°C
29°C23/38°C
30°C24/38°C
29°C25/36°C
29°C23/38°C
41AQI
36AQI
39AQI
37AQI
2026 Days Vs Air Quality
Raleigh, North Carolina, United States
97%
218
3%
6
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 228 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
Raleigh, North Carolina, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
44AQI (US)
37AQI (US)
36AQI (US)
48AQI (US)
60AQI (US)
38AQI (US)
48AQI (US)
44AQI (US)
52AQI (US)
16AQI (US)
17AQI (US)
34AQI (US)
52AQI (US)
21AQI (US)
15AQI (US)
33AQI (US)
40AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
37AQI (US)
30AQI (US)
49AQI (US)
41AQI (US)
26AQI (US)
23AQI (US)
33AQI (US)
48AQI (US)
38AQI (US)
50AQI (US)
46AQI (US)
26AQI (US)
33AQI (US)
35AQI (US)
36AQI (US)
40AQI (US)
46AQI (US)
29AQI (US)
38AQI (US)
35AQI (US)
30AQI (US)
32AQI (US)
32AQI (US)
30AQI (US)
42AQI (US)
26AQI (US)
36AQI (US)
34AQI (US)
28AQI (US)
24AQI (US)
36AQI (US)
40AQI (US)
41AQI (US)
38AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
32AQI (US)
38AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
18AQI (US)
20AQI (US)
16AQI (US)
27AQI (US)
27AQI (US)
38AQI (US)
29AQI (US)
36AQI (US)
24AQI (US)
16AQI (US)
22AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
29AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
23AQI (US)
18AQI (US)
14AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
22AQI (US)
28AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
22AQI (US)
20AQI (US)
27AQI (US)
32AQI (US)
31AQI (US)
25AQI (US)
28AQI (US)
19AQI (US)
16AQI (US)
20AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
17AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
32AQI (US)
34AQI (US)
27AQI (US)
21AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
17AQI (US)
36AQI (US)
46AQI (US)
48AQI (US)
55AQI (US)
53AQI (US)
49AQI (US)
41AQI (US)
36AQI (US)
41AQI (US)
41AQI (US)
39AQI (US)
19AQI (US)
11AQI (US)
13AQI (US)
16AQI (US)
15AQI (US)
13AQI (US)
19AQI (US)
17AQI (US)
16AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
18AQI (US)
18AQI (US)
16AQI (US)
17AQI (US)
11AQI (US)
14AQI (US)
13AQI (US)
16AQI (US)
32AQI (US)
22AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
13AQI (US)
11AQI (US)
11AQI (US)
16AQI (US)
20AQI (US)
16AQI (US)
16AQI (US)
13AQI (US)
12AQI (US)
17AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
19AQI (US)
12AQI (US)
12AQI (US)
15AQI (US)
13AQI (US)
13AQI (US)
12AQI (US)
15AQI (US)
14AQI (US)
22AQI (US)
20AQI (US)
49AQI (US)
50AQI (US)
44AQI (US)
40AQI (US)
48AQI (US)
49AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
44AQI (US)
56AQI (US)
46AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
40AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
29AQI (US)
34AQI (US)
29AQI (US)
36AQI (US)
40AQI (US)
32AQI (US)
35AQI (US)
34AQI (US)
27AQI (US)
24AQI (US)
29AQI (US)
16AQI (US)
29AQI (US)
35AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
January35AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
August43AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
June63AQI (US)
Lowest AQI (US) recorded in
October34AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
October36AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
February30AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Raleigh's annual 2026 AQI (US) (28) shows an average percentage change of -23.9% (improved AQI (US)) compared to previous years: 2020 (31), 2021 (39), 2022 (39), 2023 (42), 2024 (36), 2025 (36).