East, Denver, 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
East, Denver, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 13 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Oct - 29th Oct 2025
East, Denver, Colorado, United States
7 AM28th Oct 2025
6 PM
6 AM29th Oct 2025
17AQI
11AQI
25AQI
11AQI
In the last 24 hours,
East's AQI reached its highest point of 25 at 2 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
East, Denver, Colorado, United States
18°C13/26°C
17°C10/26°C
20°C12/27°C
20°C11/29°C
21°C11/32°C
21°C16/29°C
13°C8/19°C
10°C8/12°C
12°C7/17°C
17°C6/28°C
19°C10/29°C
16°C13/21°C
16°C13/21°C
16°C11/23°C
12°C7/19°C
16°C7/28°C
18°C10/29°C
16°C11/24°C
13°C5/20°C
11°C6/19°C
14°C3/27°C
12°C8/18°C
11°C2/21°C
14°C5/23°C
14°C6/23°C
13°C7/20°C
14°C4/24°C
14°C7/24°C
13°C5/21°C
5°C0/10°C
--°C/°C
41AQI
27AQI
33AQI
26AQI
2025 Days Vs Air Quality
East, Denver, Colorado, United States
92%
199
8%
18
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 302 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
East, Denver, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
19AQI
24AQI
19AQI
27AQI
36AQI
27AQI
18AQI
18AQI
28AQI
27AQI
26AQI
28AQI
25AQI
40AQI
44AQI
40AQI
30AQI
24AQI
17AQI
31AQI
26AQI
24AQI
15AQI
22AQI
19AQI
16AQI
20AQI
31AQI
53AQI
26AQI
29AQI
28AQI
17AQI
15AQI
17AQI
16AQI
19AQI
20AQI
21AQI
18AQI
16AQI
20AQI
28AQI
26AQI
26AQI
21AQI
22AQI
28AQI
31AQI
15AQI
16AQI
20AQI
31AQI
15AQI
16AQI
20AQI
24AQI
31AQI
45AQI
16AQI
18AQI
32AQI
26AQI
17AQI
22AQI
29AQI
31AQI
27AQI
19AQI
30AQI
36AQI
29AQI
24AQI
33AQI
50AQI
39AQI
26AQI
27AQI
29AQI
33AQI
29AQI
28AQI
31AQI
26AQI
29AQI
35AQI
39AQI
39AQI
41AQI
49AQI
38AQI
27AQI
30AQI
32AQI
34AQI
33AQI
30AQI
28AQI
27AQI
25AQI
40AQI
27AQI
26AQI
29AQI
28AQI
37AQI
40AQI
58AQI
47AQI
31AQI
29AQI
42AQI
51AQI
52AQI
47AQI
31AQI
29AQI
27AQI
25AQI
31AQI
39AQI
40AQI
28AQI
30AQI
51AQI
39AQI
57AQI
55AQI
35AQI
25AQI
37AQI
54AQI
64AQI
49AQI
46AQI
46AQI
45AQI
35AQI
33AQI
48AQI
62AQI
60AQI
50AQI
30AQI
39AQI
22AQI
30AQI
40AQI
42AQI
41AQI
45AQI
43AQI
48AQI
40AQI
32AQI
37AQI
46AQI
41AQI
40AQI
45AQI
52AQI
67AQI
82AQI
71AQI
65AQI
39AQI
30AQI
27AQI
23AQI
18AQI
15AQI
18AQI
23AQI
24AQI
19AQI
19AQI
31AQI
30AQI
24AQI
23AQI
21AQI
30AQI
27AQI
25AQI
24AQI
22AQI
22AQI
14AQI
24AQI
29AQI
37AQI
34AQI
14AQI
7AQI
50AQI
49AQI
41AQI
45AQI
56AQI
24AQI
27AQI
38AQI
53AQI
24AQI
24AQI
31AQI
21AQI
25AQI
31AQI
34AQI
39AQI
47AQI
27AQI
35AQI
38AQI
13AQI
25AQI
26AQI
23AQI
32AQI
36AQI
43AQI
32AQI
33AQI
No. of days
202532AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
East's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .