Longview, Texas, 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
Longview, Texas, United States
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Longview, Texas, United States
6 AM20th Aug 2025
8 PM
5 AM21st Aug 2025
33AQI
27AQI
29AQI
26AQI
In the last 24 hours,
Longview's AQI reached its highest point of 33 at 1 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longview, Texas, United States
31°C24/37°C
30°C25/37°C
31°C24/38°C
32°C26/38°C
28°C25/32°C
30°C24/36°C
31°C25/37°C
32°C25/39°C
33°C25/39°C
33°C26/41°C
31°C25/38°C
28°C24/32°C
29°C22/35°C
29°C22/35°C
30°C22/36°C
30°C22/37°C
31°C24/38°C
31°C25/38°C
31°C24/37°C
30°C24/37°C
31°C25/38°C
31°C24/36°C
31°C25/35°C
31°C24/37°C
31°C26/38°C
32°C24/38°C
32°C25/38°C
33°C26/40°C
34°C26/40°C
29°C25/34°C
--°C/°C
29AQI
29AQI
28AQI
28AQI
2025 Days Vs Air Quality
Longview, Texas, United States
79%
116
21%
31
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 233 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
Longview, Texas, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI
51AQI
38AQI
50AQI
37AQI
48AQI
40AQI
43AQI
43AQI
34AQI
17AQI
20AQI
37AQI
42AQI
41AQI
38AQI
36AQI
52AQI
38AQI
34AQI
48AQI
53AQI
45AQI
49AQI
48AQI
43AQI
42AQI
41AQI
37AQI
37AQI
42AQI
41AQI
40AQI
38AQI
42AQI
29AQI
36AQI
23AQI
21AQI
30AQI
32AQI
24AQI
34AQI
35AQI
26AQI
22AQI
26AQI
33AQI
45AQI
54AQI
51AQI
54AQI
47AQI
45AQI
48AQI
28AQI
44AQI
49AQI
46AQI
47AQI
34AQI
29AQI
30AQI
29AQI
26AQI
27AQI
42AQI
50AQI
55AQI
53AQI
50AQI
53AQI
57AQI
50AQI
35AQI
41AQI
48AQI
30AQI
29AQI
40AQI
39AQI
29AQI
38AQI
47AQI
48AQI
50AQI
58AQI
58AQI
44AQI
41AQI
43AQI
32AQI
38AQI
38AQI
38AQI
43AQI
57AQI
41AQI
47AQI
52AQI
65AQI
58AQI
55AQI
51AQI
36AQI
36AQI
52AQI
48AQI
36AQI
29AQI
36AQI
50AQI
51AQI
49AQI
47AQI
46AQI
48AQI
52AQI
48AQI
46AQI
38AQI
33AQI
36AQI
41AQI
53AQI
53AQI
52AQI
49AQI
46AQI
53AQI
52AQI
53AQI
53AQI
50AQI
52AQI
42AQI
40AQI
39AQI
39AQI
41AQI
40AQI
42AQI
37AQI
49AQI
48AQI
51AQI
52AQI
45AQI
40AQI
36AQI
44AQI
47AQI
46AQI
No. of days
202542AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May36AQI
Most & Least Polluted Years Over the Last 1 Years
Longview's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .