Glenwood Springs, Colorado, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Glenwood Springs, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (23rd October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Oct - 24th Oct 2025
Glenwood Springs, Colorado, United States
7 AM23rd Oct 2025
6 PM
6 AM24th Oct 2025
45AQI
11AQI
51AQI
11AQI
In the last 24 hours,
Glenwood Springs's AQI reached its highest point of 51 at 9 PM during the Night, while the lowest point, 11, was recorded at 6 AM during the Night between 23rd Oct and 24th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Glenwood Springs, Colorado, United States
14°C8/22°C
17°C6/27°C
19°C8/29°C
19°C12/28°C
18°C11/25°C
17°C12/24°C
16°C9/25°C
18°C10/27°C
19°C9/28°C
20°C10/31°C
20°C13/28°C
12°C7/17°C
9°C7/11°C
11°C7/16°C
16°C5/27°C
17°C9/29°C
16°C12/21°C
15°C12/21°C
14°C9/23°C
11°C5/17°C
15°C6/27°C
17°C8/27°C
15°C9/23°C
12°C4/19°C
10°C5/19°C
13°C2/27°C
11°C6/18°C
10°C1/20°C
13°C4/23°C
13°C5/21°C
--°C/°C
23AQI
14AQI
22AQI
16AQI
2025 Days Vs Air Quality
Glenwood Springs, Colorado, United States
99%
292
1%
4
Total number of days with different AQI categories in last 297 days in 2025 (68 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 297 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
Glenwood Springs, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
34AQI
26AQI
21AQI
21AQI
22AQI
20AQI
23AQI
20AQI
22AQI
21AQI
22AQI
24AQI
23AQI
23AQI
23AQI
24AQI
19AQI
20AQI
21AQI
23AQI
22AQI
21AQI
22AQI
23AQI
29AQI
33AQI
30AQI
29AQI
28AQI
27AQI
25AQI
21AQI
23AQI
25AQI
24AQI
25AQI
26AQI
22AQI
22AQI
24AQI
24AQI
24AQI
17AQI
17AQI
16AQI
16AQI
17AQI
16AQI
15AQI
16AQI
17AQI
15AQI
16AQI
13AQI
13AQI
15AQI
13AQI
15AQI
18AQI
17AQI
15AQI
13AQI
14AQI
11AQI
11AQI
13AQI
14AQI
17AQI
15AQI
17AQI
20AQI
39AQI
21AQI
17AQI
20AQI
20AQI
17AQI
21AQI
17AQI
16AQI
15AQI
16AQI
18AQI
20AQI
19AQI
22AQI
25AQI
27AQI
28AQI
20AQI
16AQI
16AQI
19AQI
17AQI
18AQI
22AQI
21AQI
33AQI
39AQI
37AQI
27AQI
26AQI
22AQI
24AQI
22AQI
22AQI
17AQI
17AQI
18AQI
16AQI
19AQI
23AQI
25AQI
20AQI
22AQI
23AQI
16AQI
15AQI
16AQI
16AQI
20AQI
20AQI
20AQI
17AQI
15AQI
17AQI
20AQI
21AQI
22AQI
21AQI
25AQI
28AQI
25AQI
17AQI
18AQI
19AQI
20AQI
18AQI
17AQI
19AQI
22AQI
27AQI
25AQI
23AQI
19AQI
24AQI
24AQI
22AQI
25AQI
26AQI
24AQI
23AQI
21AQI
23AQI
22AQI
23AQI
25AQI
27AQI
30AQI
27AQI
25AQI
27AQI
29AQI
29AQI
26AQI
24AQI
26AQI
28AQI
26AQI
33AQI
40AQI
39AQI
30AQI
33AQI
34AQI
33AQI
35AQI
34AQI
34AQI
32AQI
30AQI
32AQI
27AQI
26AQI
35AQI
28AQI
24AQI
24AQI
26AQI
28AQI
38AQI
45AQI
42AQI
33AQI
35AQI
46AQI
49AQI
44AQI
35AQI
28AQI
24AQI
22AQI
25AQI
36AQI
37AQI
37AQI
33AQI
36AQI
45AQI
39AQI
49AQI
36AQI
28AQI
27AQI
40AQI
47AQI
51AQI
42AQI
35AQI
41AQI
36AQI
41AQI
36AQI
47AQI
54AQI
49AQI
40AQI
27AQI
26AQI
20AQI
26AQI
34AQI
34AQI
34AQI
34AQI
35AQI
36AQI
29AQI
30AQI
34AQI
36AQI
37AQI
35AQI
34AQI
39AQI
45AQI
59AQI
59AQI
45AQI
26AQI
23AQI
17AQI
16AQI
17AQI
15AQI
17AQI
21AQI
22AQI
20AQI
20AQI
22AQI
21AQI
17AQI
17AQI
18AQI
21AQI
16AQI
15AQI
15AQI
19AQI
20AQI
26AQI
19AQI
19AQI
24AQI
15AQI
17AQI
12AQI
21AQI
24AQI
20AQI
15AQI
9AQI
16AQI
22AQI
21AQI
15AQI
17AQI
16AQI
19AQI
22AQI
19AQI
22AQI
25AQI
22AQI
24AQI
19AQI
18AQI
22AQI
21AQI
29AQI
34AQI
36AQI
25AQI
19AQI
No. of days
202525AQI
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
March18AQI
202425AQI
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
March4AQI
20238AQI
Highest AQI recorded in
March16AQI
Lowest AQI recorded in
November3AQI
202221AQI
Highest AQI recorded in
May30AQI
Lowest AQI recorded in
August8AQI
202121AQI
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
May8AQI
202038AQI
Highest AQI recorded in
September38AQI
Lowest AQI recorded in
September38AQI
Most & Least Polluted Years Over the Last 6 Years
Glenwood Springs's annual 2025 AQI (25) shows an average percentage change of 44.1% (worsened AQI) compared to previous years: 2020 (38), 2021 (21), 2022 (21), 2023 (8), 2024 (25).