Gunnison, Colorado, 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
Gunnison, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Gunnison, Colorado, United States
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
37AQI
28AQI
33AQI
26AQI
In the last 24 hours,
Gunnison's AQI reached its highest point of 37 at 10 AM during the Day, while the lowest point, 26, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Gunnison, Colorado, United States
--°C/°C
25°C19/32°C
22°C17/32°C
23°C15/32°C
25°C15/34°C
26°C15/36°C
28°C17/38°C
26°C19/32°C
21°C16/30°C
22°C16/30°C
26°C16/34°C
25°C17/35°C
26°C18/36°C
20°C15/26°C
21°C14/31°C
23°C16/34°C
24°C16/34°C
24°C18/34°C
25°C17/36°C
24°C17/35°C
24°C18/32°C
20°C16/31°C
22°C15/34°C
24°C15/35°C
26°C17/36°C
27°C18/35°C
23°C19/30°C
19°C17/24°C
20°C14/32°C
20°C14/32°C
22°C14/32°C
32AQI
30AQI
30AQI
30AQI
2025 Days Vs Air Quality
Gunnison, Colorado, United States
99%
211
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 215 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
Gunnison, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
31AQI
27AQI
21AQI
20AQI
22AQI
21AQI
24AQI
21AQI
25AQI
22AQI
23AQI
27AQI
24AQI
22AQI
24AQI
26AQI
20AQI
19AQI
21AQI
21AQI
25AQI
22AQI
21AQI
23AQI
34AQI
33AQI
31AQI
27AQI
27AQI
31AQI
31AQI
22AQI
25AQI
25AQI
23AQI
27AQI
26AQI
22AQI
22AQI
22AQI
25AQI
23AQI
17AQI
16AQI
17AQI
14AQI
14AQI
17AQI
15AQI
15AQI
16AQI
16AQI
15AQI
15AQI
16AQI
15AQI
17AQI
19AQI
22AQI
23AQI
19AQI
14AQI
14AQI
12AQI
12AQI
15AQI
18AQI
19AQI
21AQI
18AQI
32AQI
80AQI
19AQI
16AQI
20AQI
25AQI
23AQI
25AQI
24AQI
18AQI
18AQI
18AQI
21AQI
26AQI
25AQI
27AQI
23AQI
32AQI
30AQI
21AQI
17AQI
18AQI
17AQI
15AQI
16AQI
20AQI
24AQI
30AQI
35AQI
31AQI
24AQI
21AQI
21AQI
21AQI
19AQI
22AQI
16AQI
13AQI
14AQI
16AQI
16AQI
17AQI
17AQI
17AQI
19AQI
20AQI
16AQI
16AQI
18AQI
17AQI
18AQI
21AQI
19AQI
15AQI
15AQI
16AQI
16AQI
17AQI
18AQI
18AQI
22AQI
22AQI
24AQI
17AQI
16AQI
16AQI
17AQI
16AQI
19AQI
19AQI
20AQI
24AQI
23AQI
20AQI
18AQI
18AQI
26AQI
19AQI
21AQI
23AQI
23AQI
24AQI
18AQI
21AQI
17AQI
18AQI
21AQI
24AQI
23AQI
23AQI
21AQI
21AQI
24AQI
24AQI
21AQI
21AQI
21AQI
22AQI
23AQI
34AQI
28AQI
26AQI
21AQI
24AQI
22AQI
21AQI
27AQI
28AQI
26AQI
23AQI
23AQI
22AQI
22AQI
22AQI
26AQI
23AQI
23AQI
23AQI
22AQI
27AQI
47AQI
36AQI
31AQI
27AQI
37AQI
53AQI
52AQI
44AQI
31AQI
26AQI
24AQI
21AQI
23AQI
33AQI
36AQI
30AQI
27AQI
26AQI
26AQI
31AQI
41AQI
31AQI
26AQI
25AQI
20AQI
23AQI
20AQI
19AQI
23AQI
30AQI
29AQI
No. of days
202523AQI
Highest AQI recorded in
July30AQI
Lowest AQI recorded in
May19AQI
202425AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
April5AQI
202314AQI
Highest AQI recorded in
September52AQI
Lowest AQI recorded in
November2AQI
20229AQI
Highest AQI recorded in
May13AQI
Lowest AQI recorded in
March4AQI
202142AQI
Highest AQI recorded in
August65AQI
Lowest AQI recorded in
October6AQI
20200AQI
Highest AQI recorded in
September0AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Gunnison's annual 2025 AQI (23) shows an average percentage change of 53.09% (worsened AQI) compared to previous years: 2020 (0), 2021 (42), 2022 (9), 2023 (14), 2024 (25).