14th Avenue, Greeley, 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
14th Avenue, Greeley, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
14th Avenue, Greeley, Colorado, United States
7 AM19th Oct 2025
6 PM
6 AM20th Oct 2025
35AQI
21AQI
49AQI
13AQI
In the last 24 hours,
14th Avenue's AQI reached its highest point of 49 at 12 AM during the Night, while the lowest point, 13, was recorded at 3 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
14th Avenue, Greeley, Colorado, United States
--°C/°C
19°C10/30°C
18°C11/28°C
12°C10/15°C
14°C8/22°C
16°C7/27°C
18°C6/31°C
17°C9/27°C
19°C11/28°C
18°C11/27°C
18°C9/28°C
19°C10/28°C
18°C8/29°C
19°C8/31°C
19°C11/31°C
12°C6/19°C
9°C7/13°C
11°C5/17°C
13°C4/26°C
17°C6/30°C
16°C9/26°C
15°C11/23°C
13°C4/22°C
9°C3/17°C
14°C6/24°C
16°C10/26°C
16°C10/24°C
12°C3/21°C
9°C3/18°C
10°C-3/26°C
12°C8/17°C
40AQI
28AQI
39AQI
29AQI
2025 Days Vs Air Quality
14th Avenue, Greeley, Colorado, United States
89%
186
11%
22
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 294 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
14th Avenue, Greeley, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
42AQI
42AQI
26AQI
23AQI
36AQI
19AQI
17AQI
17AQI
18AQI
27AQI
32AQI
29AQI
32AQI
39AQI
43AQI
45AQI
40AQI
23AQI
22AQI
32AQI
37AQI
27AQI
14AQI
17AQI
22AQI
16AQI
26AQI
33AQI
45AQI
17AQI
22AQI
43AQI
15AQI
14AQI
16AQI
16AQI
16AQI
21AQI
24AQI
22AQI
21AQI
25AQI
39AQI
33AQI
36AQI
26AQI
24AQI
43AQI
38AQI
15AQI
14AQI
19AQI
30AQI
13AQI
14AQI
14AQI
19AQI
32AQI
38AQI
16AQI
18AQI
31AQI
29AQI
20AQI
29AQI
23AQI
32AQI
25AQI
17AQI
36AQI
42AQI
24AQI
25AQI
46AQI
53AQI
47AQI
34AQI
32AQI
36AQI
33AQI
29AQI
26AQI
28AQI
26AQI
31AQI
31AQI
49AQI
47AQI
49AQI
45AQI
37AQI
31AQI
37AQI
36AQI
35AQI
29AQI
35AQI
43AQI
33AQI
28AQI
39AQI
32AQI
32AQI
33AQI
32AQI
36AQI
50AQI
54AQI
41AQI
40AQI
34AQI
47AQI
54AQI
52AQI
48AQI
34AQI
34AQI
37AQI
27AQI
33AQI
40AQI
44AQI
41AQI
42AQI
54AQI
46AQI
54AQI
50AQI
40AQI
25AQI
42AQI
54AQI
80AQI
58AQI
54AQI
48AQI
42AQI
40AQI
37AQI
41AQI
46AQI
50AQI
50AQI
32AQI
39AQI
25AQI
40AQI
43AQI
43AQI
45AQI
49AQI
47AQI
45AQI
36AQI
26AQI
41AQI
41AQI
36AQI
42AQI
46AQI
56AQI
76AQI
76AQI
68AQI
52AQI
40AQI
38AQI
39AQI
33AQI
23AQI
17AQI
15AQI
27AQI
25AQI
18AQI
22AQI
36AQI
37AQI
24AQI
19AQI
20AQI
34AQI
33AQI
25AQI
28AQI
29AQI
19AQI
24AQI
32AQI
46AQI
59AQI
46AQI
23AQI
8AQI
56AQI
65AQI
53AQI
51AQI
64AQI
42AQI
21AQI
39AQI
53AQI
35AQI
29AQI
40AQI
33AQI
36AQI
27AQI
24AQI
35AQI
40AQI
43AQI
35AQI
42AQI
No. of days
202535AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
14th Avenue's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .