Cambridge, Maryland, 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
Cambridge, Maryland, United States
AQI Trends: Highest and Lowest
Same Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 18 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Cambridge, Maryland, United States
6 AM21st Aug 2025
8 PM
5 AM22nd Aug 2025
22AQI
17AQI
23AQI
20AQI
In the last 24 hours,
Cambridge's AQI reached its highest point of 23 at 12 AM during the Night, while the lowest point, 17, was recorded at 1 PM during the Day between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cambridge, Maryland, United States
24°C19/28°C
26°C19/32°C
30°C24/36°C
29°C24/35°C
28°C23/35°C
30°C25/35°C
29°C25/35°C
30°C26/36°C
28°C25/35°C
22°C20/22°C
22°C17/28°C
22°C16/29°C
24°C16/31°C
24°C17/29°C
23°C20/26°C
23°C18/27°C
22°C17/27°C
22°C15/29°C
22°C13/30°C
24°C20/29°C
26°C21/31°C
26°C23/29°C
27°C24/31°C
27°C22/33°C
26°C23/33°C
27°C21/34°C
23°C21/26°C
20°C19/21°C
25°C20/31°C
22°C20/23°C
--°C/°C
33AQI
32AQI
34AQI
31AQI
2025 Days Vs Air Quality
Cambridge, Maryland, United States
93%
217
7%
16
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 234 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
Cambridge, Maryland, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
21AQI
23AQI
22AQI
24AQI
29AQI
23AQI
26AQI
28AQI
29AQI
32AQI
42AQI
35AQI
27AQI
26AQI
31AQI
36AQI
28AQI
45AQI
28AQI
28AQI
40AQI
47AQI
49AQI
49AQI
37AQI
39AQI
30AQI
26AQI
26AQI
31AQI
26AQI
23AQI
26AQI
35AQI
23AQI
25AQI
30AQI
25AQI
27AQI
28AQI
30AQI
29AQI
22AQI
28AQI
27AQI
23AQI
28AQI
27AQI
24AQI
24AQI
26AQI
30AQI
30AQI
31AQI
35AQI
41AQI
42AQI
28AQI
29AQI
28AQI
26AQI
31AQI
29AQI
23AQI
29AQI
28AQI
29AQI
28AQI
39AQI
30AQI
34AQI
33AQI
25AQI
29AQI
20AQI
17AQI
20AQI
27AQI
16AQI
19AQI
20AQI
35AQI
31AQI
23AQI
18AQI
28AQI
51AQI
30AQI
24AQI
19AQI
22AQI
29AQI
28AQI
33AQI
32AQI
16AQI
21AQI
16AQI
20AQI
18AQI
13AQI
17AQI
28AQI
36AQI
14AQI
18AQI
28AQI
41AQI
40AQI
22AQI
38AQI
28AQI
28AQI
22AQI
33AQI
14AQI
18AQI
24AQI
39AQI
43AQI
45AQI
39AQI
24AQI
20AQI
20AQI
20AQI
24AQI
20AQI
18AQI
28AQI
28AQI
22AQI
29AQI
22AQI
42AQI
25AQI
18AQI
20AQI
19AQI
16AQI
14AQI
16AQI
14AQI
15AQI
17AQI
21AQI
14AQI
18AQI
23AQI
29AQI
18AQI
21AQI
24AQI
34AQI
35AQI
29AQI
23AQI
28AQI
25AQI
32AQI
45AQI
57AQI
58AQI
53AQI
51AQI
40AQI
23AQI
27AQI
26AQI
26AQI
40AQI
43AQI
55AQI
59AQI
60AQI
53AQI
44AQI
31AQI
49AQI
45AQI
43AQI
23AQI
35AQI
52AQI
59AQI
47AQI
31AQI
35AQI
29AQI
24AQI
31AQI
30AQI
27AQI
23AQI
20AQI
28AQI
27AQI
30AQI
28AQI
20AQI
28AQI
52AQI
48AQI
32AQI
37AQI
42AQI
49AQI
26AQI
36AQI
39AQI
34AQI
25AQI
31AQI
29AQI
38AQI
56AQI
67AQI
54AQI
38AQI
29AQI
31AQI
30AQI
24AQI
28AQI
27AQI
37AQI
46AQI
51AQI
35AQI
17AQI
23AQI
18AQI
32AQI
28AQI
27AQI
25AQI
23AQI
38AQI
34AQI
35AQI
No. of days
202530AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
May23AQI
202431AQI
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
November25AQI
202336AQI
Highest AQI recorded in
June60AQI
Lowest AQI recorded in
December27AQI
202234AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
January31AQI
202133AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
November28AQI
202028AQI
Highest AQI recorded in
April33AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 6 Years
Cambridge's annual 2025 AQI (30) shows an average percentage change of -4.9% (improved AQI) compared to previous years: 2020 (28), 2021 (33), 2022 (34), 2023 (36), 2024 (31).