Vernal, Vernal, Utah, 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
Vernal, Vernal, Utah, United States
AQI Trends: Highest and Lowest
Same Day Analysis (26th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 34 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 26th Aug - 27th Aug 2025
Vernal, Vernal, Utah, United States
6 AM26th Aug 2025
8 PM
5 AM27th Aug 2025
46AQI
34AQI
32AQI
25AQI
In the last 24 hours,
Vernal's AQI reached its highest point of 46 at 11 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 26th Aug and 27th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Vernal, Vernal, Utah, United States
24°C15/33°C
25°C16/33°C
24°C17/32°C
23°C13/33°C
23°C12/33°C
23°C14/33°C
23°C16/30°C
24°C15/34°C
23°C13/32°C
24°C15/32°C
26°C18/33°C
23°C13/31°C
19°C10/29°C
19°C8/28°C
21°C10/30°C
23°C13/33°C
25°C16/35°C
25°C16/35°C
22°C15/30°C
20°C12/30°C
21°C12/31°C
23°C13/33°C
25°C14/35°C
26°C17/35°C
25°C17/34°C
22°C15/31°C
22°C14/32°C
22°C17/28°C
20°C15/27°C
19°C14/23°C
--°C/°C
39AQI
37AQI
35AQI
33AQI
2025 Days Vs Air Quality
Vernal, Vernal, Utah, United States
96%
228
4%
10
Total number of days with different AQI categories in last 239 days in 2025 (126 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 239 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
Vernal, Vernal, Utah, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
26AQI
23AQI
24AQI
24AQI
24AQI
31AQI
26AQI
28AQI
26AQI
27AQI
25AQI
23AQI
24AQI
31AQI
37AQI
35AQI
29AQI
26AQI
30AQI
34AQI
31AQI
27AQI
27AQI
28AQI
27AQI
37AQI
52AQI
59AQI
59AQI
51AQI
43AQI
28AQI
25AQI
29AQI
28AQI
27AQI
30AQI
30AQI
29AQI
29AQI
27AQI
30AQI
21AQI
23AQI
22AQI
19AQI
20AQI
19AQI
19AQI
19AQI
20AQI
18AQI
19AQI
18AQI
21AQI
20AQI
21AQI
19AQI
21AQI
21AQI
26AQI
21AQI
19AQI
18AQI
18AQI
19AQI
20AQI
19AQI
20AQI
22AQI
18AQI
18AQI
16AQI
14AQI
21AQI
17AQI
19AQI
18AQI
17AQI
18AQI
20AQI
19AQI
18AQI
19AQI
19AQI
25AQI
46AQI
26AQI
31AQI
19AQI
18AQI
16AQI
20AQI
14AQI
16AQI
19AQI
23AQI
48AQI
53AQI
44AQI
30AQI
24AQI
24AQI
24AQI
22AQI
19AQI
17AQI
17AQI
18AQI
18AQI
19AQI
23AQI
20AQI
20AQI
18AQI
20AQI
17AQI
15AQI
20AQI
17AQI
21AQI
22AQI
19AQI
21AQI
14AQI
16AQI
17AQI
19AQI
22AQI
21AQI
28AQI
28AQI
22AQI
17AQI
19AQI
17AQI
16AQI
21AQI
19AQI
18AQI
20AQI
28AQI
29AQI
23AQI
20AQI
23AQI
25AQI
25AQI
28AQI
33AQI
26AQI
24AQI
28AQI
25AQI
21AQI
22AQI
28AQI
26AQI
32AQI
28AQI
26AQI
37AQI
36AQI
34AQI
32AQI
31AQI
26AQI
31AQI
31AQI
35AQI
56AQI
56AQI
37AQI
33AQI
46AQI
42AQI
47AQI
46AQI
35AQI
33AQI
36AQI
43AQI
34AQI
32AQI
37AQI
34AQI
29AQI
27AQI
27AQI
27AQI
37AQI
34AQI
33AQI
30AQI
30AQI
40AQI
44AQI
42AQI
32AQI
31AQI
25AQI
22AQI
26AQI
32AQI
42AQI
49AQI
43AQI
48AQI
59AQI
55AQI
53AQI
41AQI
27AQI
25AQI
39AQI
50AQI
50AQI
40AQI
33AQI
26AQI
26AQI
24AQI
27AQI
37AQI
47AQI
44AQI
40AQI
26AQI
25AQI
21AQI
26AQI
36AQI
33AQI
30AQI
32AQI
36AQI
34AQI
32AQI
24AQI
21AQI
23AQI
22AQI
34AQI
37AQI
34AQI
No. of days
202528AQI
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
March21AQI
202433AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
November19AQI
202338AQI
Highest AQI recorded in
February57AQI
Lowest AQI recorded in
October27AQI
202234AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
October26AQI
202139AQI
Highest AQI recorded in
August65AQI
Lowest AQI recorded in
November23AQI
202037AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
April27AQI
Most & Least Polluted Years Over the Last 6 Years
Vernal's annual 2025 AQI (28) shows an average percentage change of -21.9% (improved AQI) compared to previous years: 2020 (37), 2021 (39), 2022 (34), 2023 (38), 2024 (33).