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!
February Air Quality Analysis
Sulphur, Louisiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
Sulphur, Louisiana, United States
7 AM14th Feb 2026
5 PM
6 AM15th Feb 2026
96AQI
40AQI
102AQI
38AQI
In the last 24 hours,
Sulphur's AQI reached its highest point of 102 at 7 PM during the Night, while the lowest point, 38, was recorded at 3 AM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Sulphur, Louisiana, United States
11°C5/15°C
5°C0/11°C
10°C0/19°C
11°C2/21°C
16°C11/22°C
16°C15/17°C
14°C12/17°C
7°C3/9°C
2°C-1/4°C
0°C-2/3°C
1°C-4/9°C
5°C-1/14°C
8°C0/18°C
9°C4/15°C
3°C-1/8°C
3°C-3/12°C
8°C-1/18°C
15°C10/23°C
13°C8/17°C
9°C2/19°C
15°C7/27°C
15°C8/24°C
15°C6/25°C
18°C12/24°C
19°C14/24°C
19°C14/27°C
18°C14/22°C
18°C15/26°C
18°C16/21°C
17°C15/20°C
65AQI
44AQI
62AQI
40AQI
2026 Days Vs Air Quality
Sulphur, Louisiana, United States
67%
31
33%
15
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2026, 67% of 47 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Sulphur, Louisiana, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
59AQI (US)
29AQI (US)
45AQI (US)
30AQI (US)
45AQI (US)
42AQI (US)
46AQI (US)
30AQI (US)
35AQI (US)
24AQI (US)
14AQI (US)
29AQI (US)
66AQI (US)
39AQI (US)
22AQI (US)
30AQI (US)
31AQI (US)
22AQI (US)
44AQI (US)
28AQI (US)
27AQI (US)
54AQI (US)
54AQI (US)
48AQI (US)
51AQI (US)
50AQI (US)
46AQI (US)
48AQI (US)
51AQI (US)
51AQI (US)
49AQI (US)
52AQI (US)
55AQI (US)
51AQI (US)
52AQI (US)
49AQI (US)
46AQI (US)
44AQI (US)
48AQI (US)
50AQI (US)
49AQI (US)
47AQI (US)
53AQI (US)
58AQI (US)
59AQI (US)
55AQI (US)
40AQI (US)
51AQI (US)
No. of days
202644AQI (US)
Highest AQI (US) recorded in
February51AQI (US)
Lowest AQI (US) recorded in
January40AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
October47AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
May46AQI (US)
Lowest AQI (US) recorded in
November30AQI (US)
202343AQI (US)
Highest AQI (US) recorded in
May53AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
January36AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
October1AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sulphur's annual 2026 AQI (US) (44) shows an average percentage change of 8.9% (worsened AQI (US)) compared to previous years: 2020 (37), 2021 (43), 2022 (42), 2023 (43), 2024 (37), 2025 (38).