Sulphur, 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
Sulphur, Louisiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Sulphur, Louisiana, United States
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
33AQI
28AQI
40AQI
29AQI
In the last 24 hours,
Sulphur's AQI reached its highest point of 40 at 2 AM during the Night, while the lowest point, 28, was recorded at 5 PM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sulphur, Louisiana, United States
29°C25/33°C
29°C25/33°C
29°C25/34°C
30°C25/35°C
30°C25/35°C
29°C24/35°C
27°C25/29°C
29°C25/33°C
30°C26/35°C
30°C25/35°C
31°C25/37°C
30°C25/37°C
31°C26/39°C
28°C25/33°C
28°C25/32°C
29°C24/34°C
30°C24/37°C
32°C25/38°C
33°C26/39°C
27°C25/28°C
29°C24/34°C
29°C24/34°C
29°C23/35°C
29°C23/36°C
29°C22/36°C
29°C25/34°C
29°C26/35°C
29°C25/33°C
29°C24/34°C
29°C24/35°C
--°C/°C
40AQI
40AQI
41AQI
38AQI
2025 Days Vs Air Quality
Sulphur, Louisiana, United States
89%
197
11%
25
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 223 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
Sulphur, Louisiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
36AQI
45AQI
32AQI
28AQI
22AQI
23AQI
28AQI
34AQI
20AQI
28AQI
30AQI
24AQI
22AQI
22AQI
27AQI
34AQI
37AQI
20AQI
19AQI
20AQI
26AQI
29AQI
30AQI
22AQI
26AQI
22AQI
35AQI
37AQI
33AQI
29AQI
29AQI
38AQI
33AQI
30AQI
30AQI
32AQI
32AQI
38AQI
31AQI
43AQI
40AQI
36AQI
26AQI
27AQI
41AQI
34AQI
45AQI
46AQI
26AQI
25AQI
22AQI
27AQI
34AQI
24AQI
32AQI
29AQI
37AQI
49AQI
41AQI
34AQI
33AQI
46AQI
39AQI
21AQI
32AQI
35AQI
29AQI
36AQI
38AQI
36AQI
49AQI
57AQI
76AQI
31AQI
31AQI
26AQI
42AQI
23AQI
34AQI
38AQI
39AQI
37AQI
35AQI
50AQI
40AQI
41AQI
32AQI
50AQI
45AQI
54AQI
50AQI
53AQI
51AQI
54AQI
19AQI
19AQI
29AQI
31AQI
28AQI
34AQI
43AQI
38AQI
32AQI
37AQI
58AQI
40AQI
40AQI
48AQI
50AQI
52AQI
43AQI
45AQI
42AQI
53AQI
41AQI
32AQI
29AQI
29AQI
39AQI
36AQI
35AQI
22AQI
22AQI
25AQI
34AQI
26AQI
32AQI
29AQI
32AQI
26AQI
24AQI
30AQI
41AQI
44AQI
44AQI
43AQI
37AQI
41AQI
44AQI
37AQI
37AQI
33AQI
36AQI
47AQI
38AQI
25AQI
29AQI
27AQI
33AQI
34AQI
40AQI
41AQI
34AQI
32AQI
36AQI
46AQI
63AQI
41AQI
40AQI
48AQI
29AQI
24AQI
25AQI
41AQI
42AQI
30AQI
38AQI
51AQI
45AQI
48AQI
53AQI
54AQI
31AQI
26AQI
26AQI
27AQI
26AQI
28AQI
35AQI
49AQI
61AQI
63AQI
60AQI
51AQI
61AQI
57AQI
56AQI
42AQI
33AQI
38AQI
48AQI
44AQI
31AQI
29AQI
37AQI
47AQI
51AQI
49AQI
36AQI
41AQI
33AQI
30AQI
30AQI
29AQI
35AQI
25AQI
34AQI
50AQI
55AQI
58AQI
44AQI
48AQI
42AQI
43AQI
54AQI
54AQI
42AQI
29AQI
35AQI
31AQI
30AQI
28AQI
33AQI
39AQI
40AQI
34AQI
38AQI
44AQI
41AQI
No. of days
202537AQI
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
January28AQI
202437AQI
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
November30AQI
202343AQI
Highest AQI recorded in
May53AQI
Lowest AQI recorded in
January32AQI
202242AQI
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
August25AQI
202143AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
January36AQI
202037AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
October1AQI
Most & Least Polluted Years Over the Last 6 Years
Sulphur's annual 2025 AQI (37) shows an average percentage change of -8.8% (improved AQI) compared to previous years: 2020 (37), 2021 (43), 2022 (42), 2023 (43), 2024 (37).