Lamar, 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
Lamar, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (21st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
Lamar, Colorado, United States
6 AM21st Oct 2025
6 PM
5 AM22nd Oct 2025
39AQI
20AQI
46AQI
18AQI
In the last 24 hours,
Lamar's AQI reached its highest point of 46 at 8 PM during the Night, while the lowest point, 18, was recorded at 6 AM during the Night between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lamar, Colorado, United States
21°C12/30°C
18°C13/23°C
18°C12/25°C
17°C6/27°C
19°C7/32°C
19°C7/30°C
22°C13/31°C
21°C13/30°C
21°C12/31°C
21°C11/31°C
20°C8/31°C
23°C10/35°C
25°C19/32°C
18°C10/27°C
12°C10/16°C
14°C9/18°C
21°C14/30°C
21°C10/32°C
18°C7/29°C
25°C18/31°C
22°C14/31°C
13°C9/19°C
19°C12/27°C
23°C17/30°C
23°C17/30°C
15°C6/22°C
12°C3/23°C
12°C-2/27°C
15°C8/21°C
9°C-3/22°C
--°C/°C
31AQI
21AQI
30AQI
23AQI
2025 Days Vs Air Quality
Lamar, Colorado, United States
96%
202
4%
8
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 295 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
Lamar, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
57AQI
40AQI
32AQI
36AQI
20AQI
24AQI
41AQI
24AQI
23AQI
23AQI
22AQI
21AQI
24AQI
30AQI
34AQI
40AQI
43AQI
40AQI
34AQI
27AQI
30AQI
30AQI
37AQI
37AQI
26AQI
26AQI
24AQI
31AQI
43AQI
28AQI
28AQI
26AQI
42AQI
36AQI
20AQI
20AQI
18AQI
19AQI
22AQI
26AQI
25AQI
26AQI
20AQI
27AQI
34AQI
33AQI
26AQI
28AQI
37AQI
45AQI
23AQI
22AQI
30AQI
37AQI
27AQI
19AQI
21AQI
25AQI
38AQI
37AQI
23AQI
23AQI
20AQI
29AQI
17AQI
23AQI
28AQI
38AQI
36AQI
32AQI
53AQI
45AQI
36AQI
27AQI
44AQI
58AQI
48AQI
37AQI
38AQI
41AQI
32AQI
39AQI
35AQI
40AQI
25AQI
35AQI
44AQI
46AQI
46AQI
50AQI
36AQI
29AQI
25AQI
26AQI
30AQI
29AQI
26AQI
28AQI
28AQI
30AQI
29AQI
39AQI
28AQI
25AQI
26AQI
30AQI
33AQI
38AQI
37AQI
37AQI
37AQI
38AQI
42AQI
46AQI
39AQI
44AQI
30AQI
31AQI
35AQI
33AQI
27AQI
26AQI
26AQI
27AQI
32AQI
33AQI
25AQI
27AQI
40AQI
57AQI
29AQI
33AQI
38AQI
50AQI
52AQI
39AQI
47AQI
40AQI
35AQI
33AQI
39AQI
47AQI
53AQI
43AQI
35AQI
38AQI
33AQI
38AQI
37AQI
42AQI
38AQI
41AQI
34AQI
31AQI
29AQI
27AQI
30AQI
26AQI
29AQI
33AQI
34AQI
45AQI
57AQI
65AQI
37AQI
47AQI
45AQI
40AQI
32AQI
33AQI
28AQI
21AQI
18AQI
23AQI
29AQI
22AQI
22AQI
26AQI
29AQI
26AQI
23AQI
22AQI
24AQI
24AQI
18AQI
16AQI
22AQI
24AQI
21AQI
22AQI
38AQI
35AQI
46AQI
23AQI
11AQI
20AQI
21AQI
34AQI
46AQI
30AQI
20AQI
31AQI
25AQI
41AQI
20AQI
14AQI
26AQI
21AQI
37AQI
36AQI
35AQI
30AQI
27AQI
38AQI
32AQI
38AQI
30AQI
28AQI
No. of days
202532AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
May27AQI
Most & Least Polluted Years Over the Last 1 Years
Lamar's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .