Hazen Drive, Concord, New Hampshire, 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
Hazen Drive, Concord, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 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
Hazen Drive, Concord, New Hampshire, United States
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
39AQI
7AQI
24AQI
9AQI
In the last 24 hours,
Hazen Drive's AQI reached its highest point of 39 at 12 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hazen Drive, Concord, New Hampshire, United States
19°C13/24°C
12°C6/18°C
13°C2/24°C
15°C4/26°C
18°C13/30°C
18°C15/20°C
17°C15/20°C
21°C17/28°C
19°C13/27°C
22°C16/31°C
18°C11/29°C
18°C11/28°C
13°C6/21°C
11°C3/19°C
13°C4/25°C
18°C7/30°C
19°C9/31°C
20°C12/31°C
21°C13/30°C
16°C9/19°C
9°C4/16°C
7°C-1/18°C
10°C1/21°C
10°C5/16°C
10°C9/12°C
13°C10/21°C
11°C5/16°C
8°C4/14°C
10°C4/19°C
9°C1/20°C
--°C/°C
25AQI
18AQI
22AQI
19AQI
2025 Days Vs Air Quality
Hazen Drive, Concord, New Hampshire, United States
88%
181
12%
25
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 292 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
Hazen Drive, Concord, New Hampshire, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
20AQI
21AQI
24AQI
27AQI
17AQI
17AQI
20AQI
18AQI
17AQI
15AQI
17AQI
17AQI
14AQI
22AQI
22AQI
18AQI
16AQI
21AQI
23AQI
10AQI
14AQI
22AQI
43AQI
16AQI
17AQI
22AQI
16AQI
22AQI
40AQI
25AQI
9AQI
17AQI
25AQI
16AQI
17AQI
29AQI
30AQI
22AQI
14AQI
16AQI
21AQI
19AQI
18AQI
13AQI
18AQI
21AQI
29AQI
26AQI
25AQI
32AQI
36AQI
15AQI
12AQI
12AQI
15AQI
13AQI
11AQI
12AQI
13AQI
19AQI
21AQI
24AQI
17AQI
26AQI
21AQI
13AQI
16AQI
23AQI
44AQI
59AQI
53AQI
52AQI
80AQI
72AQI
29AQI
48AQI
67AQI
45AQI
37AQI
41AQI
34AQI
24AQI
18AQI
26AQI
29AQI
48AQI
49AQI
51AQI
54AQI
47AQI
43AQI
27AQI
25AQI
31AQI
29AQI
37AQI
30AQI
46AQI
41AQI
41AQI
50AQI
48AQI
27AQI
28AQI
32AQI
34AQI
36AQI
28AQI
26AQI
45AQI
54AQI
36AQI
16AQI
22AQI
23AQI
28AQI
18AQI
21AQI
36AQI
44AQI
68AQI
79AQI
61AQI
56AQI
45AQI
67AQI
45AQI
29AQI
63AQI
88AQI
98AQI
57AQI
58AQI
52AQI
47AQI
47AQI
54AQI
56AQI
50AQI
40AQI
51AQI
48AQI
51AQI
15AQI
18AQI
16AQI
16AQI
23AQI
28AQI
26AQI
22AQI
15AQI
16AQI
20AQI
20AQI
17AQI
19AQI
25AQI
25AQI
25AQI
24AQI
27AQI
40AQI
30AQI
20AQI
19AQI
20AQI
25AQI
31AQI
35AQI
41AQI
39AQI
34AQI
26AQI
25AQI
26AQI
18AQI
19AQI
20AQI
27AQI
29AQI
18AQI
19AQI
16AQI
26AQI
19AQI
18AQI
14AQI
8AQI
17AQI
25AQI
45AQI
54AQI
42AQI
10AQI
20AQI
16AQI
16AQI
22AQI
14AQI
14AQI
16AQI
20AQI
15AQI
20AQI
22AQI
20AQI
20AQI
40AQI
39AQI
39AQI
26AQI
22AQI
No. of days
202530AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
April20AQI
Most & Least Polluted Years Over the Last 1 Years
Hazen Drive's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .