New York City, New York, 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
New York City, New York, United States
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
New York City, New York, United States
5 AM20th Aug 2025
8 PM
4 AM21st Aug 2025
33AQI
14AQI
26AQI
11AQI
In the last 24 hours,
New York City's AQI reached its highest point of 33 at 8 AM during the Day, while the lowest point, 11, was recorded at 2 AM during the Night between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
New York City, New York, United States
23°C19/29°C
25°C22/28°C
27°C21/33°C
29°C23/38°C
26°C24/29°C
26°C21/30°C
29°C24/36°C
30°C24/38°C
32°C25/39°C
29°C20/35°C
21°C17/25°C
23°C17/29°C
25°C17/31°C
26°C18/34°C
25°C20/33°C
24°C22/28°C
24°C21/28°C
23°C18/29°C
24°C17/31°C
26°C18/33°C
26°C20/33°C
27°C20/33°C
27°C24/32°C
28°C23/32°C
27°C24/34°C
26°C22/32°C
28°C22/36°C
21°C18/23°C
21°C19/23°C
20°C16/22°C
--°C/°C
49AQI
44AQI
47AQI
44AQI
2025 Days Vs Air Quality
New York City, New York, United States
84%
196
16%
36
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 233 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
New York City, New York, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI
27AQI
32AQI
25AQI
29AQI
32AQI
24AQI
22AQI
24AQI
28AQI
37AQI
48AQI
57AQI
29AQI
27AQI
42AQI
59AQI
42AQI
39AQI
28AQI
39AQI
46AQI
58AQI
57AQI
47AQI
52AQI
34AQI
32AQI
37AQI
29AQI
49AQI
36AQI
31AQI
54AQI
32AQI
25AQI
33AQI
38AQI
29AQI
38AQI
30AQI
37AQI
49AQI
29AQI
26AQI
27AQI
26AQI
25AQI
25AQI
24AQI
25AQI
27AQI
32AQI
51AQI
49AQI
46AQI
34AQI
52AQI
27AQI
29AQI
25AQI
27AQI
45AQI
38AQI
27AQI
25AQI
25AQI
25AQI
33AQI
37AQI
26AQI
31AQI
37AQI
27AQI
47AQI
33AQI
20AQI
33AQI
18AQI
21AQI
30AQI
20AQI
36AQI
34AQI
25AQI
20AQI
38AQI
55AQI
37AQI
51AQI
24AQI
22AQI
43AQI
32AQI
21AQI
23AQI
20AQI
27AQI
21AQI
29AQI
26AQI
19AQI
21AQI
32AQI
41AQI
16AQI
21AQI
39AQI
55AQI
27AQI
21AQI
39AQI
29AQI
55AQI
36AQI
38AQI
17AQI
22AQI
33AQI
33AQI
19AQI
46AQI
51AQI
38AQI
30AQI
29AQI
28AQI
36AQI
25AQI
18AQI
35AQI
30AQI
35AQI
33AQI
34AQI
41AQI
40AQI
17AQI
16AQI
15AQI
19AQI
16AQI
18AQI
14AQI
16AQI
19AQI
28AQI
24AQI
23AQI
34AQI
24AQI
18AQI
20AQI
33AQI
45AQI
56AQI
56AQI
41AQI
44AQI
45AQI
39AQI
51AQI
62AQI
64AQI
61AQI
47AQI
36AQI
34AQI
32AQI
39AQI
28AQI
48AQI
50AQI
57AQI
57AQI
50AQI
42AQI
28AQI
29AQI
43AQI
45AQI
39AQI
31AQI
45AQI
46AQI
56AQI
58AQI
41AQI
41AQI
33AQI
38AQI
39AQI
32AQI
22AQI
24AQI
25AQI
39AQI
32AQI
18AQI
20AQI
25AQI
30AQI
27AQI
27AQI
28AQI
45AQI
42AQI
79AQI
52AQI
61AQI
56AQI
62AQI
41AQI
50AQI
55AQI
67AQI
89AQI
64AQI
46AQI
30AQI
36AQI
43AQI
56AQI
49AQI
37AQI
42AQI
59AQI
56AQI
56AQI
27AQI
18AQI
22AQI
38AQI
34AQI
31AQI
29AQI
27AQI
43AQI
39AQI
47AQI
No. of days
202536AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May27AQI
202433AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
November25AQI
202344AQI
Highest AQI recorded in
June80AQI
Lowest AQI recorded in
November34AQI
202247AQI
Highest AQI recorded in
January65AQI
Lowest AQI recorded in
August25AQI
202155AQI
Highest AQI recorded in
September97AQI
Lowest AQI recorded in
May22AQI
202028AQI
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 6 Years
New York City's annual 2025 AQI (36) shows an average percentage change of -8.4% (improved AQI) compared to previous years: 2020 (28), 2021 (55), 2022 (47), 2023 (44), 2024 (33).