Lafayette Usgs Site, Lafayette, Louisiana, 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
Lafayette Usgs Site, Lafayette, Louisiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Lafayette Usgs Site, Lafayette, Louisiana, United States
6 AM9th Aug 2025
8 PM
5 AM10th Aug 2025
42AQI
34AQI
43AQI
34AQI
In the last 24 hours,
Lafayette Usgs Site's AQI reached its highest point of 43 at 5 AM during the Night, while the lowest point, 34, was recorded at 9 PM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lafayette Usgs Site, Lafayette, Louisiana, United States
28°C24/33°C
28°C23/33°C
27°C23/32°C
28°C24/32°C
29°C24/34°C
29°C23/34°C
28°C24/33°C
24°C23/26°C
28°C24/33°C
28°C24/33°C
28°C23/33°C
29°C24/35°C
30°C23/37°C
29°C25/38°C
27°C24/30°C
28°C24/32°C
28°C24/34°C
30°C23/37°C
31°C24/38°C
31°C26/39°C
28°C23/34°C
28°C23/34°C
27°C24/33°C
27°C22/34°C
28°C20/35°C
26°C20/35°C
28°C23/35°C
28°C24/34°C
28°C22/36°C
28°C22/33°C
--°C/°C
39AQI
39AQI
41AQI
35AQI
2025 Days Vs Air Quality
Lafayette Usgs Site, Lafayette, Louisiana, United States
92%
204
8%
17
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 222 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
Lafayette Usgs Site, Lafayette, Louisiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI
47AQI
40AQI
34AQI
26AQI
24AQI
23AQI
29AQI
30AQI
22AQI
36AQI
36AQI
25AQI
26AQI
28AQI
40AQI
43AQI
39AQI
32AQI
27AQI
29AQI
48AQI
50AQI
40AQI
37AQI
29AQI
23AQI
41AQI
41AQI
26AQI
30AQI
34AQI
40AQI
48AQI
27AQI
32AQI
25AQI
28AQI
29AQI
26AQI
46AQI
36AQI
30AQI
23AQI
34AQI
37AQI
30AQI
36AQI
37AQI
27AQI
30AQI
26AQI
30AQI
40AQI
23AQI
27AQI
27AQI
40AQI
38AQI
39AQI
36AQI
34AQI
35AQI
40AQI
31AQI
30AQI
28AQI
34AQI
40AQI
43AQI
36AQI
43AQI
50AQI
67AQI
37AQI
30AQI
20AQI
27AQI
32AQI
31AQI
30AQI
31AQI
28AQI
31AQI
46AQI
41AQI
42AQI
27AQI
36AQI
39AQI
55AQI
40AQI
48AQI
53AQI
49AQI
28AQI
19AQI
37AQI
37AQI
28AQI
31AQI
41AQI
39AQI
29AQI
30AQI
38AQI
41AQI
36AQI
46AQI
47AQI
45AQI
39AQI
41AQI
41AQI
45AQI
39AQI
39AQI
29AQI
34AQI
45AQI
37AQI
35AQI
28AQI
30AQI
31AQI
38AQI
28AQI
37AQI
35AQI
30AQI
30AQI
22AQI
31AQI
36AQI
40AQI
38AQI
42AQI
37AQI
43AQI
42AQI
38AQI
47AQI
35AQI
39AQI
47AQI
37AQI
30AQI
35AQI
32AQI
35AQI
30AQI
47AQI
48AQI
43AQI
40AQI
39AQI
42AQI
66AQI
48AQI
44AQI
51AQI
27AQI
26AQI
26AQI
42AQI
33AQI
29AQI
35AQI
38AQI
41AQI
46AQI
45AQI
45AQI
39AQI
35AQI
24AQI
30AQI
34AQI
36AQI
33AQI
48AQI
60AQI
68AQI
65AQI
55AQI
68AQI
57AQI
48AQI
39AQI
35AQI
30AQI
39AQI
42AQI
32AQI
26AQI
29AQI
41AQI
49AQI
34AQI
30AQI
36AQI
27AQI
25AQI
23AQI
26AQI
24AQI
25AQI
38AQI
55AQI
58AQI
58AQI
41AQI
53AQI
48AQI
43AQI
54AQI
53AQI
48AQI
37AQI
36AQI
36AQI
34AQI
32AQI
36AQI
39AQI
35AQI
39AQI
41AQI
45AQI
No. of days
202537AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
February32AQI
202441AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
November32AQI
202342AQI
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
June31AQI
202241AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
December34AQI
202136AQI
Highest AQI recorded in
November42AQI
Lowest AQI recorded in
June28AQI
202043AQI
Highest AQI recorded in
October55AQI
Lowest AQI recorded in
March28AQI
Most & Least Polluted Years Over the Last 6 Years
Lafayette Usgs Site's annual 2025 AQI (37) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (43), 2021 (36), 2022 (41), 2023 (42), 2024 (41).