Barr Avenue, Greenfield, Massachusetts, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Barr Avenue, Greenfield, Massachusetts, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Oct - 29th Oct 2025
Barr Avenue, Greenfield, Massachusetts, United States
7 AM28th Oct 2025
6 PM
6 AM29th Oct 2025
56AQI
11AQI
50AQI
11AQI
In the last 24 hours,
Barr Avenue's AQI reached its highest point of 56 at 11 AM during the Day, while the lowest point, 11, was recorded at 8 PM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Barr Avenue, Greenfield, Massachusetts, United States
18°C12/28°C
18°C11/28°C
13°C7/22°C
11°C4/20°C
12°C4/25°C
16°C7/29°C
19°C10/30°C
18°C11/29°C
20°C13/30°C
17°C10/19°C
9°C5/17°C
7°C-1/18°C
10°C4/18°C
11°C7/14°C
10°C9/12°C
12°C9/16°C
12°C6/17°C
8°C4/15°C
10°C3/20°C
9°C1/18°C
12°C5/22°C
15°C11/19°C
12°C8/19°C
12°C9/17°C
10°C6/14°C
8°C4/15°C
7°C2/13°C
5°C1/12°C
5°C0/12°C
6°C1/13°C
--°C/°C
27AQI
19AQI
32AQI
18AQI
2025 Days Vs Air Quality
Barr Avenue, Greenfield, Massachusetts, United States
88%
190
12%
26
0.4%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 302 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
Barr Avenue, Greenfield, Massachusetts, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
22AQI
20AQI
26AQI
38AQI
19AQI
17AQI
23AQI
21AQI
18AQI
18AQI
16AQI
14AQI
14AQI
23AQI
23AQI
13AQI
13AQI
20AQI
23AQI
9AQI
13AQI
19AQI
45AQI
17AQI
17AQI
26AQI
17AQI
23AQI
43AQI
23AQI
10AQI
17AQI
25AQI
17AQI
17AQI
31AQI
36AQI
33AQI
16AQI
17AQI
24AQI
22AQI
18AQI
14AQI
21AQI
21AQI
26AQI
30AQI
26AQI
36AQI
34AQI
18AQI
12AQI
12AQI
15AQI
13AQI
12AQI
12AQI
14AQI
21AQI
23AQI
27AQI
20AQI
31AQI
18AQI
13AQI
18AQI
23AQI
41AQI
60AQI
60AQI
52AQI
79AQI
78AQI
27AQI
47AQI
68AQI
55AQI
41AQI
44AQI
43AQI
29AQI
21AQI
33AQI
32AQI
52AQI
52AQI
52AQI
54AQI
50AQI
42AQI
27AQI
24AQI
31AQI
29AQI
40AQI
32AQI
39AQI
43AQI
33AQI
50AQI
47AQI
29AQI
24AQI
24AQI
29AQI
32AQI
22AQI
22AQI
32AQI
40AQI
35AQI
17AQI
20AQI
21AQI
28AQI
18AQI
22AQI
31AQI
35AQI
75AQI
93AQI
67AQI
56AQI
43AQI
65AQI
54AQI
31AQI
62AQI
81AQI
107AQI
71AQI
50AQI
42AQI
43AQI
50AQI
55AQI
58AQI
49AQI
36AQI
54AQI
48AQI
55AQI
16AQI
16AQI
17AQI
18AQI
23AQI
32AQI
27AQI
25AQI
16AQI
18AQI
20AQI
23AQI
17AQI
20AQI
25AQI
27AQI
27AQI
27AQI
32AQI
49AQI
41AQI
20AQI
18AQI
21AQI
24AQI
33AQI
38AQI
43AQI
42AQI
34AQI
24AQI
23AQI
24AQI
17AQI
17AQI
19AQI
30AQI
26AQI
13AQI
20AQI
21AQI
35AQI
20AQI
18AQI
14AQI
15AQI
17AQI
33AQI
52AQI
58AQI
48AQI
10AQI
22AQI
26AQI
20AQI
22AQI
25AQI
25AQI
13AQI
18AQI
22AQI
33AQI
33AQI
25AQI
19AQI
23AQI
23AQI
26AQI
24AQI
28AQI
24AQI
29AQI
30AQI
25AQI
20AQI
22AQI
43AQI
38AQI
40AQI
27AQI
26AQI
No. of days
202531AQI
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
April20AQI
Most & Least Polluted Years Over the Last 1 Years
Barr Avenue's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .