County Road 38, Platteville, 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
County Road 38, Platteville, 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 16 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
County Road 38, Platteville, Colorado, United States
7 AM28th Oct 2025
6 PM
6 AM29th Oct 2025
35AQI
11AQI
19AQI
14AQI
In the last 24 hours,
County Road 38's AQI reached its highest point of 35 at 3 PM during the Day, while the lowest point, 11, was recorded at 7 AM during the Day between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
County Road 38, Platteville, Colorado, United States
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
13°C8/17°C
9°C0/21°C
10°C-2/23°C
10°C1/22°C
12°C4/21°C
10°C-2/23°C
11°C1/23°C
10°C3/19°C
5°C-1/12°C
--°C/°C
44AQI
33AQI
43AQI
35AQI
2025 Days Vs Air Quality
County Road 38, Platteville, Colorado, United States
87%
188
13%
29
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 302 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
County Road 38, Platteville, Colorado, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
38AQI
39AQI
25AQI
22AQI
38AQI
21AQI
18AQI
25AQI
23AQI
29AQI
28AQI
35AQI
32AQI
46AQI
46AQI
47AQI
41AQI
26AQI
24AQI
35AQI
34AQI
25AQI
14AQI
24AQI
29AQI
17AQI
26AQI
34AQI
52AQI
20AQI
25AQI
42AQI
17AQI
18AQI
20AQI
16AQI
19AQI
25AQI
27AQI
25AQI
22AQI
23AQI
35AQI
35AQI
33AQI
29AQI
29AQI
35AQI
39AQI
15AQI
16AQI
22AQI
33AQI
15AQI
17AQI
18AQI
24AQI
35AQI
41AQI
16AQI
20AQI
33AQI
26AQI
20AQI
29AQI
27AQI
35AQI
24AQI
20AQI
38AQI
42AQI
24AQI
26AQI
43AQI
53AQI
46AQI
36AQI
35AQI
38AQI
38AQI
34AQI
31AQI
28AQI
26AQI
36AQI
34AQI
42AQI
42AQI
42AQI
49AQI
36AQI
31AQI
39AQI
45AQI
39AQI
32AQI
35AQI
37AQI
31AQI
27AQI
39AQI
31AQI
32AQI
33AQI
35AQI
38AQI
44AQI
58AQI
48AQI
40AQI
36AQI
47AQI
52AQI
53AQI
50AQI
37AQI
36AQI
37AQI
30AQI
33AQI
38AQI
47AQI
36AQI
38AQI
53AQI
43AQI
52AQI
51AQI
39AQI
29AQI
41AQI
57AQI
87AQI
60AQI
55AQI
48AQI
41AQI
40AQI
42AQI
46AQI
53AQI
53AQI
55AQI
35AQI
38AQI
24AQI
39AQI
47AQI
43AQI
45AQI
44AQI
44AQI
44AQI
38AQI
28AQI
45AQI
44AQI
38AQI
43AQI
47AQI
56AQI
75AQI
77AQI
71AQI
57AQI
38AQI
41AQI
34AQI
29AQI
23AQI
18AQI
16AQI
25AQI
24AQI
17AQI
21AQI
35AQI
34AQI
24AQI
19AQI
19AQI
31AQI
33AQI
26AQI
26AQI
30AQI
22AQI
23AQI
31AQI
44AQI
59AQI
46AQI
21AQI
9AQI
55AQI
63AQI
53AQI
49AQI
61AQI
42AQI
19AQI
37AQI
53AQI
27AQI
29AQI
41AQI
30AQI
19AQI
35AQI
49AQI
57AQI
52AQI
48AQI
55AQI
39AQI
16AQI
34AQI
29AQI
26AQI
36AQI
40AQI
45AQI
34AQI
41AQI
No. of days
202536AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
County Road 38's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .