Miami, 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
Miami, Florida, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Miami, Florida, United States
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
66AQI
32AQI
53AQI
32AQI
In the last 24 hours,
Miami's AQI reached its highest point of 66 at 1 PM during the Day, while the lowest point, 32, was recorded at 6 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Miami, Florida, United States
27°C25/32°C
27°C25/31°C
29°C25/33°C
28°C26/33°C
28°C25/32°C
28°C25/32°C
28°C24/34°C
27°C24/33°C
26°C24/30°C
27°C22/34°C
27°C24/32°C
28°C25/35°C
27°C25/29°C
26°C25/29°C
27°C24/31°C
28°C24/35°C
27°C25/31°C
28°C25/35°C
27°C24/33°C
27°C25/33°C
28°C25/33°C
28°C26/35°C
28°C25/33°C
28°C25/32°C
27°C24/33°C
28°C24/35°C
28°C24/35°C
27°C25/32°C
26°C24/28°C
26°C23/30°C
--°C/°C
35AQI
35AQI
36AQI
35AQI
2025 Days Vs Air Quality
Miami, Florida, United States
82%
227
18%
50
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 278 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
Miami, Florida, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
44AQI
46AQI
42AQI
31AQI
35AQI
43AQI
46AQI
49AQI
36AQI
48AQI
40AQI
43AQI
43AQI
33AQI
35AQI
35AQI
44AQI
44AQI
36AQI
36AQI
33AQI
39AQI
42AQI
52AQI
46AQI
46AQI
47AQI
55AQI
57AQI
47AQI
47AQI
52AQI
58AQI
47AQI
45AQI
45AQI
52AQI
50AQI
48AQI
41AQI
47AQI
52AQI
51AQI
57AQI
57AQI
50AQI
52AQI
58AQI
47AQI
48AQI
50AQI
49AQI
46AQI
50AQI
46AQI
56AQI
51AQI
51AQI
53AQI
50AQI
53AQI
51AQI
53AQI
47AQI
43AQI
49AQI
61AQI
51AQI
48AQI
50AQI
48AQI
46AQI
42AQI
47AQI
53AQI
43AQI
50AQI
49AQI
49AQI
48AQI
45AQI
50AQI
52AQI
52AQI
46AQI
52AQI
53AQI
44AQI
39AQI
45AQI
49AQI
50AQI
49AQI
43AQI
37AQI
43AQI
42AQI
33AQI
43AQI
43AQI
48AQI
39AQI
45AQI
45AQI
47AQI
48AQI
42AQI
44AQI
43AQI
49AQI
46AQI
52AQI
54AQI
45AQI
41AQI
42AQI
49AQI
51AQI
54AQI
48AQI
44AQI
41AQI
38AQI
44AQI
43AQI
40AQI
40AQI
34AQI
34AQI
39AQI
32AQI
29AQI
36AQI
42AQI
42AQI
42AQI
36AQI
38AQI
37AQI
44AQI
43AQI
38AQI
39AQI
45AQI
40AQI
42AQI
41AQI
39AQI
36AQI
44AQI
53AQI
46AQI
32AQI
46AQI
62AQI
53AQI
61AQI
57AQI
43AQI
38AQI
33AQI
48AQI
57AQI
43AQI
33AQI
32AQI
33AQI
35AQI
33AQI
30AQI
30AQI
31AQI
30AQI
27AQI
26AQI
33AQI
53AQI
55AQI
54AQI
52AQI
40AQI
45AQI
51AQI
50AQI
50AQI
51AQI
42AQI
41AQI
37AQI
35AQI
37AQI
34AQI
42AQI
31AQI
29AQI
33AQI
35AQI
44AQI
52AQI
45AQI
36AQI
27AQI
28AQI
39AQI
58AQI
57AQI
62AQI
61AQI
52AQI
49AQI
46AQI
45AQI
47AQI
35AQI
38AQI
42AQI
39AQI
31AQI
32AQI
29AQI
26AQI
27AQI
25AQI
25AQI
25AQI
27AQI
28AQI
29AQI
33AQI
32AQI
45AQI
43AQI
46AQI
37AQI
28AQI
42AQI
48AQI
48AQI
52AQI
48AQI
37AQI
38AQI
25AQI
25AQI
25AQI
23AQI
25AQI
31AQI
33AQI
34AQI
31AQI
28AQI
25AQI
24AQI
23AQI
27AQI
28AQI
30AQI
32AQI
24AQI
24AQI
23AQI
27AQI
26AQI
27AQI
28AQI
22AQI
20AQI
24AQI
21AQI
20AQI
25AQI
40AQI
33AQI
45AQI
46AQI
43AQI
50AQI
49AQI
45AQI
40AQI
42AQI
43AQI
36AQI
26AQI
41AQI
No. of days
202542AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
September26AQI
202436AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
September27AQI
202334AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
September29AQI
202233AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
October26AQI
202124AQI
Highest AQI recorded in
September36AQI
Lowest AQI recorded in
May18AQI
202031AQI
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Miami's annual 2025 AQI (42) shows an average percentage change of 33.5% (worsened AQI) compared to previous years: 2020 (31), 2021 (24), 2022 (33), 2023 (34), 2024 (36).