Key Biscayne, Florida, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Key Biscayne, Florida, United States
AQI Trends: Highest and Lowest
Same Day Analysis (31st October):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 30 of Good air quality on the same day.
Day & Night AQI Trend: 30th Sep - 1st Oct 2026
Key Biscayne, Florida, United States
7 AM30th Sep 2026
7 PM
6 AM1st Oct 2026
42AQI
21AQI
42AQI
23AQI
In the last 24 hours,
Key Biscayne's AQI reached its highest point of 42 at 1 PM during the Day, while the lowest point, 21, was recorded at 7 PM during the Day between 30th Sep and 1st Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Key Biscayne, Florida, United States
29°C27/33°C
30°C26/33°C
29°C26/33°C
30°C27/33°C
28°C26/33°C
29°C27/33°C
28°C26/30°C
30°C29/33°C
30°C29/33°C
29°C26/33°C
30°C26/33°C
29°C27/33°C
30°C28/32°C
30°C29/32°C
30°C29/31°C
29°C28/31°C
30°C28/31°C
29°C27/31°C
29°C28/31°C
28°C25/30°C
29°C28/30°C
27°C26/29°C
29°C27/32°C
29°C26/32°C
28°C26/31°C
28°C27/30°C
28°C26/30°C
27°C25/28°C
27°C25/28°C
29°C27/30°C
37AQI
30AQI
36AQI
28AQI
2026 Days Vs Air Quality
Key Biscayne, Florida, United States
96%
258
4%
12
Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 274 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
Key Biscayne, Florida, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI (US)
46AQI (US)
34AQI (US)
19AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
18AQI (US)
17AQI (US)
24AQI (US)
31AQI (US)
21AQI (US)
18AQI (US)
21AQI (US)
19AQI (US)
23AQI (US)
42AQI (US)
20AQI (US)
19AQI (US)
23AQI (US)
47AQI (US)
45AQI (US)
42AQI (US)
34AQI (US)
20AQI (US)
22AQI (US)
32AQI (US)
26AQI (US)
38AQI (US)
27AQI (US)
27AQI (US)
38AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
28AQI (US)
21AQI (US)
18AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
17AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
31AQI (US)
29AQI (US)
20AQI (US)
20AQI (US)
16AQI (US)
13AQI (US)
15AQI (US)
19AQI (US)
18AQI (US)
15AQI (US)
13AQI (US)
13AQI (US)
12AQI (US)
17AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
26AQI (US)
17AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
30AQI (US)
32AQI (US)
14AQI (US)
19AQI (US)
15AQI (US)
14AQI (US)
13AQI (US)
17AQI (US)
15AQI (US)
15AQI (US)
14AQI (US)
14AQI (US)
14AQI (US)
17AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
22AQI (US)
32AQI (US)
41AQI (US)
41AQI (US)
48AQI (US)
45AQI (US)
43AQI (US)
45AQI (US)
51AQI (US)
46AQI (US)
43AQI (US)
45AQI (US)
25AQI (US)
26AQI (US)
15AQI (US)
12AQI (US)
20AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
14AQI (US)
15AQI (US)
12AQI (US)
11AQI (US)
14AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
13AQI (US)
13AQI (US)
14AQI (US)
18AQI (US)
20AQI (US)
28AQI (US)
23AQI (US)
18AQI (US)
15AQI (US)
13AQI (US)
16AQI (US)
29AQI (US)
28AQI (US)
21AQI (US)
24AQI (US)
35AQI (US)
26AQI (US)
18AQI (US)
17AQI (US)
16AQI (US)
12AQI (US)
14AQI (US)
24AQI (US)
60AQI (US)
13AQI (US)
25AQI (US)
51AQI (US)
51AQI (US)
40AQI (US)
20AQI (US)
40AQI (US)
36AQI (US)
28AQI (US)
33AQI (US)
35AQI (US)
49AQI (US)
53AQI (US)
45AQI (US)
53AQI (US)
41AQI (US)
34AQI (US)
43AQI (US)
39AQI (US)
39AQI (US)
36AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
37AQI (US)
43AQI (US)
41AQI (US)
49AQI (US)
45AQI (US)
41AQI (US)
40AQI (US)
40AQI (US)
31AQI (US)
29AQI (US)
35AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
34AQI (US)
54AQI (US)
61AQI (US)
76AQI (US)
73AQI (US)
50AQI (US)
35AQI (US)
47AQI (US)
42AQI (US)
40AQI (US)
49AQI (US)
52AQI (US)
42AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
21AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
39AQI (US)
36AQI (US)
28AQI (US)
39AQI (US)
52AQI (US)
44AQI (US)
28AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
31AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
40AQI (US)
36AQI (US)
41AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
19AQI (US)
21AQI (US)
29AQI (US)
19AQI (US)
36AQI (US)
42AQI (US)
32AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
August42AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Key Biscayne's annual 2026 AQI (US) (28) shows an average percentage change of -24.3% (improved AQI (US)) compared to previous years: 2025 (37).