Waterbury, Connecticut, 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
Waterbury, Connecticut, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Waterbury, Connecticut, United States
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
43AQI
24AQI
45AQI
21AQI
In the last 24 hours,
Waterbury's AQI reached its highest point of 45 at 5 AM during the Night, while the lowest point, 21, was recorded at 2 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Waterbury, Connecticut, United States
23°C16/31°C
22°C17/31°C
21°C17/26°C
21°C14/29°C
21°C16/27°C
24°C19/30°C
20°C15/26°C
21°C14/30°C
22°C15/29°C
22°C14/30°C
23°C16/31°C
23°C19/27°C
21°C19/24°C
21°C19/26°C
23°C17/30°C
24°C18/32°C
25°C22/31°C
24°C20/28°C
23°C17/30°C
24°C17/30°C
27°C23/31°C
27°C23/33°C
25°C21/31°C
26°C22/31°C
23°C18/30°C
24°C20/30°C
23°C18/29°C
24°C20/29°C
23°C18/29°C
20°C16/27°C
42AQI
35AQI
40AQI
35AQI
2026 Days Vs Air Quality
Waterbury, Connecticut, United States
95%
212
4%
10
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 227 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
Waterbury, Connecticut, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
32AQI (US)
47AQI (US)
34AQI (US)
24AQI (US)
53AQI (US)
40AQI (US)
17AQI (US)
35AQI (US)
20AQI (US)
11AQI (US)
13AQI (US)
35AQI (US)
41AQI (US)
38AQI (US)
11AQI (US)
36AQI (US)
66AQI (US)
25AQI (US)
27AQI (US)
42AQI (US)
36AQI (US)
43AQI (US)
32AQI (US)
39AQI (US)
46AQI (US)
25AQI (US)
28AQI (US)
40AQI (US)
52AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
41AQI (US)
39AQI (US)
37AQI (US)
43AQI (US)
32AQI (US)
26AQI (US)
40AQI (US)
46AQI (US)
34AQI (US)
30AQI (US)
40AQI (US)
43AQI (US)
39AQI (US)
35AQI (US)
54AQI (US)
49AQI (US)
31AQI (US)
31AQI (US)
38AQI (US)
39AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
54AQI (US)
36AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
20AQI (US)
29AQI (US)
43AQI (US)
47AQI (US)
31AQI (US)
27AQI (US)
26AQI (US)
21AQI (US)
25AQI (US)
31AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
34AQI (US)
23AQI (US)
38AQI (US)
33AQI (US)
26AQI (US)
20AQI (US)
24AQI (US)
17AQI (US)
14AQI (US)
20AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
21AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
21AQI (US)
33AQI (US)
21AQI (US)
25AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
30AQI (US)
22AQI (US)
18AQI (US)
17AQI (US)
15AQI (US)
14AQI (US)
31AQI (US)
16AQI (US)
20AQI (US)
21AQI (US)
18AQI (US)
23AQI (US)
17AQI (US)
20AQI (US)
30AQI (US)
38AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
18AQI (US)
23AQI (US)
26AQI (US)
22AQI (US)
15AQI (US)
45AQI (US)
40AQI (US)
48AQI (US)
55AQI (US)
54AQI (US)
49AQI (US)
35AQI (US)
39AQI (US)
37AQI (US)
42AQI (US)
41AQI (US)
19AQI (US)
21AQI (US)
25AQI (US)
22AQI (US)
12AQI (US)
14AQI (US)
16AQI (US)
32AQI (US)
25AQI (US)
30AQI (US)
39AQI (US)
24AQI (US)
13AQI (US)
13AQI (US)
22AQI (US)
31AQI (US)
29AQI (US)
20AQI (US)
14AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
18AQI (US)
20AQI (US)
12AQI (US)
14AQI (US)
11AQI (US)
13AQI (US)
16AQI (US)
14AQI (US)
17AQI (US)
15AQI (US)
19AQI (US)
15AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
50AQI (US)
39AQI (US)
15AQI (US)
18AQI (US)
17AQI (US)
11AQI (US)
13AQI (US)
18AQI (US)
16AQI (US)
17AQI (US)
16AQI (US)
21AQI (US)
27AQI (US)
52AQI (US)
72AQI (US)
90AQI (US)
111AQI (US)
45AQI (US)
28AQI (US)
38AQI (US)
28AQI (US)
46AQI (US)
36AQI (US)
30AQI (US)
30AQI (US)
36AQI (US)
44AQI (US)
34AQI (US)
26AQI (US)
26AQI (US)
37AQI (US)
30AQI (US)
34AQI (US)
24AQI (US)
28AQI (US)
41AQI (US)
32AQI (US)
29AQI (US)
40AQI (US)
28AQI (US)
41AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
37AQI (US)
29AQI (US)
23AQI (US)
30AQI (US)
19AQI (US)
34AQI (US)
33AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
202426AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
March17AQI (US)
202333AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
January43AQI (US)
Lowest AQI (US) recorded in
April22AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
December39AQI (US)
Lowest AQI (US) recorded in
March22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Waterbury's annual 2026 AQI (US) (30) shows an average percentage change of -3.3% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (35), 2022 (31), 2023 (33), 2024 (26), 2025 (30).