Monroe, Louisiana, 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
Monroe, Louisiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Monroe, Louisiana, United States
7 AM17th Oct 2025
6 PM
6 AM18th Oct 2025
53AQI
43AQI
56AQI
46AQI
In the last 24 hours,
Monroe's AQI reached its highest point of 56 at 1 AM during the Night, while the lowest point, 43, was recorded at 5 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Monroe, Louisiana, United States
28°C20/35°C
27°C19/34°C
29°C21/36°C
28°C20/35°C
27°C21/33°C
27°C22/33°C
26°C23/32°C
24°C20/29°C
23°C17/29°C
23°C15/31°C
24°C15/33°C
25°C18/33°C
26°C19/33°C
26°C19/33°C
26°C19/34°C
24°C18/32°C
24°C16/32°C
25°C18/33°C
25°C23/30°C
25°C20/32°C
25°C20/32°C
24°C18/31°C
21°C13/30°C
22°C14/31°C
21°C12/31°C
22°C12/32°C
23°C14/33°C
22°C14/32°C
23°C13/33°C
24°C15/34°C
--°C/°C
42AQI
42AQI
43AQI
43AQI
2025 Days Vs Air Quality
Monroe, Louisiana, United States
86%
249
14%
41
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 291 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
Monroe, Louisiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
32AQI
38AQI
24AQI
24AQI
23AQI
21AQI
28AQI
40AQI
25AQI
31AQI
29AQI
26AQI
28AQI
33AQI
40AQI
38AQI
34AQI
23AQI
25AQI
26AQI
29AQI
31AQI
29AQI
30AQI
26AQI
30AQI
38AQI
34AQI
26AQI
29AQI
28AQI
34AQI
35AQI
35AQI
33AQI
35AQI
39AQI
38AQI
32AQI
44AQI
29AQI
23AQI
29AQI
32AQI
34AQI
34AQI
39AQI
35AQI
27AQI
26AQI
26AQI
28AQI
36AQI
33AQI
29AQI
35AQI
42AQI
58AQI
42AQI
31AQI
37AQI
41AQI
33AQI
28AQI
31AQI
33AQI
29AQI
37AQI
54AQI
44AQI
47AQI
59AQI
80AQI
33AQI
36AQI
28AQI
40AQI
25AQI
32AQI
39AQI
38AQI
27AQI
29AQI
39AQI
43AQI
46AQI
30AQI
41AQI
32AQI
34AQI
34AQI
36AQI
36AQI
34AQI
18AQI
20AQI
30AQI
33AQI
37AQI
42AQI
40AQI
42AQI
38AQI
34AQI
42AQI
45AQI
39AQI
41AQI
43AQI
29AQI
33AQI
34AQI
27AQI
32AQI
37AQI
38AQI
32AQI
30AQI
35AQI
25AQI
32AQI
21AQI
18AQI
21AQI
27AQI
24AQI
28AQI
24AQI
27AQI
19AQI
22AQI
28AQI
34AQI
44AQI
37AQI
45AQI
34AQI
36AQI
42AQI
25AQI
30AQI
37AQI
32AQI
39AQI
25AQI
25AQI
27AQI
23AQI
24AQI
25AQI
35AQI
41AQI
51AQI
45AQI
40AQI
42AQI
55AQI
32AQI
28AQI
59AQI
74AQI
39AQI
28AQI
33AQI
32AQI
25AQI
29AQI
38AQI
38AQI
38AQI
50AQI
52AQI
34AQI
31AQI
28AQI
28AQI
29AQI
30AQI
29AQI
36AQI
51AQI
37AQI
40AQI
43AQI
55AQI
53AQI
49AQI
40AQI
33AQI
30AQI
41AQI
42AQI
31AQI
24AQI
32AQI
40AQI
44AQI
36AQI
36AQI
34AQI
35AQI
35AQI
36AQI
37AQI
31AQI
22AQI
24AQI
33AQI
43AQI
41AQI
42AQI
43AQI
43AQI
48AQI
48AQI
39AQI
39AQI
40AQI
43AQI
38AQI
37AQI
30AQI
27AQI
31AQI
33AQI
34AQI
39AQI
44AQI
49AQI
50AQI
49AQI
41AQI
40AQI
40AQI
45AQI
45AQI
47AQI
48AQI
51AQI
45AQI
38AQI
39AQI
43AQI
47AQI
47AQI
50AQI
46AQI
45AQI
41AQI
37AQI
46AQI
52AQI
55AQI
58AQI
58AQI
57AQI
59AQI
60AQI
58AQI
59AQI
56AQI
52AQI
52AQI
45AQI
38AQI
24AQI
26AQI
34AQI
32AQI
35AQI
28AQI
36AQI
61AQI
59AQI
56AQI
57AQI
54AQI
40AQI
68AQI
60AQI
51AQI
63AQI
65AQI
61AQI
58AQI
59AQI
59AQI
61AQI
61AQI
30AQI
34AQI
38AQI
35AQI
29AQI
38AQI
38AQI
41AQI
46AQI
58AQI
No. of days
202538AQI
Highest AQI recorded in
October58AQI
Lowest AQI recorded in
May29AQI
202428AQI
Highest AQI recorded in
October47AQI
Lowest AQI recorded in
July19AQI
202324AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
December19AQI
202223AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
August15AQI
202121AQI
Highest AQI recorded in
April27AQI
Lowest AQI recorded in
December17AQI
202018AQI
Highest AQI recorded in
May26AQI
Lowest AQI recorded in
November14AQI
Most & Least Polluted Years Over the Last 6 Years
Monroe's annual 2025 AQI (38) shows an average percentage change of 69.9% (worsened AQI) compared to previous years: 2020 (18), 2021 (21), 2022 (23), 2023 (24), 2024 (28).