Willow Tree Road, Leonia, 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!
March Air Quality Analysis
Willow Tree Road, Leonia, New Jersey, United States
AQI Trends: Highest and Lowest
Same Day Analysis (8th March):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 37 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Mar - 8th Mar 2026
Willow Tree Road, Leonia, New Jersey, United States
6 AM7th Mar 2026
5 PM
5 AM8th Mar 2026
64AQI
26AQI
39AQI
26AQI
In the last 24 hours,
Willow Tree Road's AQI reached its highest point of 64 at 3 PM during the Day, while the lowest point, 26, was recorded at 5 AM during the Night between 7th Mar and 8th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Willow Tree Road, Leonia, New Jersey, United States
-10°C-16/-6°C
-12°C-18/-6°C
-7°C-15/1°C
-2°C-6/2°C
1°C-1/5°C
0°C-2/3°C
0°C-5/7°C
3°C-3/11°C
3°C-2/11°C
2°C-2/8°C
5°C0/11°C
3°C0/7°C
3°C2/5°C
2°C0/3°C
4°C1/7°C
1°C-1/2°C
-1°C-3/2°C
-5°C-8/-2°C
-2°C-13/7°C
1°C-6/8°C
1°C-5/7°C
5°C0/12°C
2°C-1/4°C
-1°C-6/4°C
0°C-3/1°C
5°C1/11°C
5°C3/6°C
4°C3/6°C
5°C2/8°C
13°C9/19°C
59AQI
44AQI
51AQI
43AQI
2026 Days Vs Air Quality
Willow Tree Road, Leonia, New Jersey, United States
81%
54
19%
13
Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 68 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
Willow Tree Road, Leonia, New Jersey, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
53AQI (US)
44AQI (US)
31AQI (US)
46AQI (US)
29AQI (US)
18AQI (US)
26AQI (US)
33AQI (US)
42AQI (US)
39AQI (US)
25AQI (US)
34AQI (US)
70AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
49AQI (US)
53AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
43AQI (US)
47AQI (US)
52AQI (US)
51AQI (US)
46AQI (US)
47AQI (US)
49AQI (US)
49AQI (US)
49AQI (US)
47AQI (US)
42AQI (US)
41AQI (US)
45AQI (US)
47AQI (US)
47AQI (US)
58AQI (US)
47AQI (US)
59AQI (US)
58AQI (US)
68AQI (US)
42AQI (US)
84AQI (US)
91AQI (US)
52AQI (US)
45AQI (US)
47AQI (US)
49AQI (US)
40AQI (US)
44AQI (US)
41AQI (US)
34AQI (US)
32AQI (US)
35AQI (US)
42AQI (US)
52AQI (US)
46AQI (US)
44AQI (US)
40AQI (US)
37AQI (US)
38AQI (US)
37AQI (US)
39AQI (US)
50AQI (US)
42AQI (US)
No. of days
202644AQI (US)
Highest AQI (US) recorded in
February50AQI (US)
Lowest AQI (US) recorded in
January39AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Willow Tree Road's annual 2026 AQI (US) (44) shows an average percentage change of 26.5% (worsened AQI (US)) compared to previous years: 2025 (34).