Columbia, Knowlton Township, New Jersey, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Columbia, Knowlton Township, New Jersey, United States
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Columbia, Knowlton Township, New Jersey, United States
5 AM13th Aug 2025
8 PM
4 AM14th Aug 2025
52AQI
31AQI
44AQI
24AQI
In the last 24 hours,
Columbia's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 24, was recorded at 12 AM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Columbia, Knowlton Township, New Jersey, United States
25°C19/31°C
25°C19/30°C
26°C19/33°C
23°C19/28°C
21°C15/28°C
24°C20/30°C
22°C17/27°C
19°C13/25°C
21°C15/25°C
24°C17/31°C
26°C20/36°C
23°C20/28°C
23°C19/28°C
27°C20/33°C
27°C19/34°C
26°C19/35°C
21°C16/27°C
19°C16/24°C
20°C13/25°C
21°C12/28°C
23°C13/31°C
23°C15/31°C
21°C17/26°C
21°C15/26°C
19°C10/28°C
21°C10/29°C
23°C14/31°C
22°C15/29°C
24°C16/31°C
23°C19/27°C
--°C/°C
49AQI
42AQI
46AQI
44AQI
2025 Days Vs Air Quality
Columbia, Knowlton Township, New Jersey, United States
84%
117
16%
23
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 226 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
Columbia, Knowlton Township, New Jersey, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI
33AQI
53AQI
51AQI
54AQI
18AQI
20AQI
28AQI
27AQI
24AQI
23AQI
22AQI
19AQI
16AQI
29AQI
38AQI
17AQI
18AQI
26AQI
33AQI
13AQI
19AQI
26AQI
52AQI
22AQI
19AQI
27AQI
24AQI
46AQI
44AQI
27AQI
13AQI
18AQI
16AQI
14AQI
16AQI
18AQI
17AQI
15AQI
17AQI
20AQI
25AQI
35AQI
22AQI
17AQI
28AQI
30AQI
37AQI
27AQI
26AQI
33AQI
35AQI
21AQI
14AQI
16AQI
19AQI
12AQI
13AQI
13AQI
13AQI
18AQI
25AQI
24AQI
18AQI
26AQI
23AQI
15AQI
18AQI
28AQI
51AQI
62AQI
60AQI
50AQI
47AQI
37AQI
34AQI
56AQI
62AQI
66AQI
64AQI
37AQI
37AQI
28AQI
31AQI
26AQI
23AQI
37AQI
39AQI
48AQI
50AQI
52AQI
43AQI
33AQI
30AQI
40AQI
37AQI
30AQI
32AQI
44AQI
42AQI
55AQI
57AQI
40AQI
34AQI
30AQI
36AQI
48AQI
35AQI
25AQI
25AQI
24AQI
35AQI
33AQI
16AQI
22AQI
30AQI
37AQI
33AQI
36AQI
40AQI
49AQI
44AQI
70AQI
37AQI
52AQI
50AQI
52AQI
36AQI
39AQI
47AQI
68AQI
91AQI
80AQI
59AQI
49AQI
39AQI
41AQI
54AQI
54AQI
45AQI
42AQI
25AQI
22AQI
41AQI
38AQI
54AQI
No. of days
202534AQI
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Columbia's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .