Hu Beltsville, South Laurel, Maryland, 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
Hu Beltsville, South Laurel, Maryland, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Hu Beltsville, South Laurel, Maryland, United States
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
54AQI
19AQI
57AQI
40AQI
In the last 24 hours,
Hu Beltsville's AQI reached its highest point of 57 at 5 AM during the Night, while the lowest point, 19, was recorded at 6 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hu Beltsville, South Laurel, Maryland, United States
25°C17/33°C
20°C18/22°C
21°C19/27°C
21°C14/26°C
23°C17/33°C
24°C18/32°C
24°C21/30°C
24°C19/30°C
21°C18/26°C
23°C18/30°C
22°C17/29°C
22°C18/30°C
19°C14/26°C
16°C9/23°C
16°C8/25°C
18°C9/29°C
19°C9/29°C
20°C11/31°C
22°C15/30°C
20°C14/23°C
14°C9/21°C
13°C5/19°C
15°C8/22°C
17°C15/18°C
14°C13/16°C
16°C13/23°C
17°C10/26°C
13°C7/20°C
12°C5/22°C
15°C6/26°C
--°C/°C
31AQI
25AQI
35AQI
27AQI
2025 Days Vs Air Quality
Hu Beltsville, South Laurel, Maryland, United States
94%
274
6%
17
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 292 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
Hu Beltsville, South Laurel, Maryland, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
20AQI
24AQI
19AQI
26AQI
31AQI
20AQI
24AQI
25AQI
29AQI
33AQI
41AQI
41AQI
25AQI
25AQI
35AQI
36AQI
34AQI
47AQI
24AQI
30AQI
39AQI
56AQI
52AQI
49AQI
37AQI
37AQI
27AQI
24AQI
25AQI
31AQI
25AQI
22AQI
32AQI
33AQI
22AQI
26AQI
25AQI
25AQI
28AQI
29AQI
32AQI
44AQI
23AQI
26AQI
25AQI
20AQI
27AQI
25AQI
25AQI
24AQI
25AQI
37AQI
33AQI
37AQI
33AQI
33AQI
39AQI
25AQI
27AQI
27AQI
33AQI
32AQI
26AQI
20AQI
29AQI
29AQI
29AQI
29AQI
34AQI
33AQI
36AQI
38AQI
30AQI
26AQI
20AQI
17AQI
21AQI
26AQI
17AQI
21AQI
18AQI
30AQI
20AQI
21AQI
28AQI
32AQI
55AQI
36AQI
21AQI
17AQI
20AQI
23AQI
25AQI
31AQI
36AQI
17AQI
18AQI
18AQI
20AQI
19AQI
15AQI
17AQI
30AQI
32AQI
14AQI
20AQI
33AQI
49AQI
37AQI
24AQI
29AQI
27AQI
49AQI
26AQI
28AQI
11AQI
18AQI
29AQI
26AQI
36AQI
37AQI
31AQI
16AQI
17AQI
16AQI
16AQI
27AQI
16AQI
21AQI
32AQI
35AQI
18AQI
23AQI
28AQI
41AQI
25AQI
18AQI
23AQI
17AQI
15AQI
16AQI
19AQI
15AQI
17AQI
17AQI
28AQI
15AQI
14AQI
25AQI
27AQI
20AQI
26AQI
28AQI
48AQI
52AQI
44AQI
23AQI
32AQI
34AQI
32AQI
52AQI
60AQI
66AQI
42AQI
33AQI
21AQI
20AQI
25AQI
20AQI
23AQI
42AQI
47AQI
53AQI
57AQI
55AQI
41AQI
31AQI
22AQI
32AQI
38AQI
46AQI
24AQI
37AQI
50AQI
82AQI
51AQI
27AQI
39AQI
24AQI
26AQI
36AQI
36AQI
30AQI
28AQI
21AQI
25AQI
23AQI
24AQI
22AQI
19AQI
23AQI
52AQI
45AQI
34AQI
43AQI
32AQI
40AQI
25AQI
44AQI
50AQI
41AQI
22AQI
32AQI
40AQI
52AQI
64AQI
67AQI
59AQI
46AQI
29AQI
27AQI
27AQI
23AQI
23AQI
22AQI
36AQI
38AQI
39AQI
28AQI
16AQI
20AQI
15AQI
21AQI
25AQI
23AQI
20AQI
18AQI
18AQI
24AQI
28AQI
20AQI
26AQI
26AQI
19AQI
25AQI
22AQI
27AQI
49AQI
29AQI
19AQI
20AQI
18AQI
19AQI
25AQI
37AQI
38AQI
42AQI
31AQI
20AQI
18AQI
31AQI
30AQI
23AQI
18AQI
27AQI
37AQI
26AQI
22AQI
22AQI
21AQI
25AQI
29AQI
29AQI
34AQI
36AQI
41AQI
49AQI
45AQI
37AQI
31AQI
29AQI
27AQI
32AQI
24AQI
27AQI
24AQI
23AQI
22AQI
23AQI
38AQI
32AQI
29AQI
28AQI
25AQI
23AQI
37AQI
35AQI
31AQI
27AQI
32AQI
No. of days
202530AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
May23AQI
202429AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
January22AQI
202335AQI
Highest AQI recorded in
June61AQI
Lowest AQI recorded in
January21AQI
202229AQI
Highest AQI recorded in
January34AQI
Lowest AQI recorded in
December18AQI
202132AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
October25AQI
202032AQI
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
September27AQI
Most & Least Polluted Years Over the Last 6 Years
Hu Beltsville's annual 2025 AQI (30) shows an average percentage change of -4.8% (improved AQI) compared to previous years: 2020 (32), 2021 (32), 2022 (29), 2023 (35), 2024 (29).