Coronado, California, 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
Coronado, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 34 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Coronado, California, United States
6 AM14th Aug 2026
7 PM
5 AM15th Aug 2026
50AQI
13AQI
59AQI
10AQI
In the last 24 hours,
Coronado's AQI reached its highest point of 59 at 11 PM during the Night, while the lowest point, 10, was recorded at 8 PM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Coronado, California, United States
22°C19/25°C
23°C19/27°C
24°C20/30°C
24°C20/32°C
25°C21/32°C
23°C21/30°C
25°C19/33°C
23°C20/28°C
23°C19/29°C
25°C20/34°C
24°C20/28°C
22°C20/28°C
22°C19/28°C
23°C19/31°C
23°C17/29°C
24°C19/31°C
23°C20/28°C
23°C20/29°C
23°C20/32°C
23°C20/31°C
24°C19/33°C
25°C20/32°C
25°C19/32°C
25°C20/33°C
24°C20/30°C
24°C20/31°C
24°C21/30°C
22°C20/28°C
22°C18/27°C
22°C20/25°C
52AQI
45AQI
47AQI
44AQI
2026 Days Vs Air Quality
Coronado, California, United States
94%
210
6%
13
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% 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
Coronado, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
14AQI (US)
13AQI (US)
15AQI (US)
22AQI (US)
26AQI (US)
33AQI (US)
34AQI (US)
23AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
38AQI (US)
38AQI (US)
41AQI (US)
34AQI (US)
30AQI (US)
41AQI (US)
52AQI (US)
73AQI (US)
45AQI (US)
35AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
32AQI (US)
38AQI (US)
45AQI (US)
30AQI (US)
40AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
36AQI (US)
20AQI (US)
22AQI (US)
30AQI (US)
39AQI (US)
38AQI (US)
34AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
35AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
17AQI (US)
18AQI (US)
25AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
28AQI (US)
26AQI (US)
36AQI (US)
40AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
14AQI (US)
18AQI (US)
26AQI (US)
26AQI (US)
33AQI (US)
31AQI (US)
37AQI (US)
31AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
28AQI (US)
23AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
17AQI (US)
17AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
14AQI (US)
18AQI (US)
22AQI (US)
27AQI (US)
44AQI (US)
33AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
28AQI (US)
43AQI (US)
48AQI (US)
61AQI (US)
56AQI (US)
55AQI (US)
61AQI (US)
46AQI (US)
54AQI (US)
48AQI (US)
44AQI (US)
39AQI (US)
23AQI (US)
14AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
30AQI (US)
40AQI (US)
42AQI (US)
41AQI (US)
32AQI (US)
25AQI (US)
32AQI (US)
31AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
21AQI (US)
15AQI (US)
19AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
18AQI (US)
24AQI (US)
19AQI (US)
28AQI (US)
24AQI (US)
33AQI (US)
27AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
16AQI (US)
22AQI (US)
32AQI (US)
26AQI (US)
36AQI (US)
24AQI (US)
23AQI (US)
40AQI (US)
24AQI (US)
56AQI (US)
28AQI (US)
32AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
35AQI (US)
34AQI (US)
30AQI (US)
32AQI (US)
52AQI (US)
50AQI (US)
48AQI (US)
46AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
48AQI (US)
51AQI (US)
49AQI (US)
50AQI (US)
49AQI (US)
50AQI (US)
47AQI (US)
46AQI (US)
51AQI (US)
52AQI (US)
50AQI (US)
52AQI (US)
48AQI (US)
45AQI (US)
43AQI (US)
44AQI (US)
48AQI (US)
48AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
24AQI (US)
36AQI (US)
26AQI (US)
40AQI (US)
46AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
December59AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
December60AQI (US)
Lowest AQI (US) recorded in
March34AQI (US)
202373AQI (US)
Highest AQI (US) recorded in
January215AQI (US)
Lowest AQI (US) recorded in
June36AQI (US)
202280AQI (US)
Highest AQI (US) recorded in
June208AQI (US)
Lowest AQI (US) recorded in
February36AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
December48AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202053AQI (US)
Highest AQI (US) recorded in
September64AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Coronado's annual 2026 AQI (US) (32) shows an average percentage change of -38.3% (improved AQI (US)) compared to previous years: 2020 (53), 2021 (40), 2022 (80), 2023 (73), 2024 (42), 2025 (46).