Penamacor, Castelo Branco, Portugal 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
Penamacor, Castelo Branco, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Oct - 12th Oct 2025
Penamacor, Castelo Branco, Portugal
7 AM11th Oct 2025
7 PM
6 AM12th Oct 2025
57AQI
49AQI
63AQI
55AQI
In the last 24 hours,
Penamacor's AQI reached its highest point of 63 at 11 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Penamacor, Castelo Branco, Portugal
19°C13/28°C
20°C13/29°C
21°C13/32°C
23°C16/32°C
23°C14/34°C
25°C18/34°C
26°C19/35°C
23°C18/31°C
20°C12/29°C
13°C7/22°C
12°C5/21°C
14°C6/23°C
15°C7/24°C
16°C9/26°C
18°C12/27°C
15°C10/21°C
15°C13/18°C
16°C10/24°C
17°C11/25°C
19°C13/27°C
20°C14/28°C
20°C15/28°C
19°C12/28°C
17°C11/26°C
18°C10/27°C
19°C14/27°C
18°C13/26°C
18°C12/26°C
16°C10/24°C
17°C12/25°C
--°C/°C
36AQI
33AQI
38AQI
33AQI
2025 Days Vs Air Quality
Penamacor, Castelo Branco, Portugal
93%
264
7%
20
Total number of days with different AQI categories in last 285 days in 2025 (80 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 285 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
Penamacor, Castelo Branco, Portugal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
48AQI
49AQI
45AQI
40AQI
32AQI
25AQI
25AQI
23AQI
24AQI
23AQI
24AQI
31AQI
40AQI
41AQI
45AQI
41AQI
39AQI
45AQI
38AQI
31AQI
29AQI
26AQI
27AQI
28AQI
24AQI
29AQI
31AQI
29AQI
30AQI
28AQI
29AQI
27AQI
28AQI
29AQI
31AQI
34AQI
35AQI
31AQI
30AQI
31AQI
33AQI
29AQI
27AQI
28AQI
29AQI
35AQI
32AQI
37AQI
38AQI
37AQI
36AQI
32AQI
30AQI
32AQI
31AQI
33AQI
32AQI
31AQI
31AQI
30AQI
27AQI
33AQI
29AQI
27AQI
29AQI
31AQI
30AQI
28AQI
31AQI
25AQI
24AQI
23AQI
25AQI
22AQI
22AQI
21AQI
24AQI
25AQI
22AQI
20AQI
21AQI
21AQI
24AQI
28AQI
29AQI
31AQI
34AQI
38AQI
35AQI
35AQI
33AQI
30AQI
28AQI
24AQI
23AQI
22AQI
23AQI
23AQI
23AQI
29AQI
33AQI
30AQI
24AQI
19AQI
16AQI
12AQI
14AQI
14AQI
15AQI
17AQI
18AQI
19AQI
21AQI
28AQI
21AQI
18AQI
19AQI
21AQI
23AQI
23AQI
24AQI
21AQI
21AQI
18AQI
18AQI
20AQI
24AQI
25AQI
24AQI
23AQI
24AQI
23AQI
21AQI
21AQI
24AQI
26AQI
26AQI
24AQI
26AQI
26AQI
23AQI
23AQI
24AQI
25AQI
24AQI
24AQI
26AQI
31AQI
39AQI
40AQI
40AQI
35AQI
32AQI
30AQI
26AQI
26AQI
26AQI
34AQI
45AQI
50AQI
53AQI
50AQI
35AQI
38AQI
38AQI
35AQI
40AQI
44AQI
47AQI
48AQI
48AQI
48AQI
47AQI
47AQI
42AQI
35AQI
33AQI
34AQI
39AQI
42AQI
43AQI
48AQI
44AQI
43AQI
42AQI
40AQI
34AQI
30AQI
31AQI
32AQI
32AQI
33AQI
30AQI
28AQI
28AQI
30AQI
33AQI
32AQI
30AQI
27AQI
26AQI
25AQI
25AQI
25AQI
25AQI
26AQI
29AQI
30AQI
27AQI
30AQI
35AQI
46AQI
42AQI
41AQI
43AQI
53AQI
53AQI
55AQI
53AQI
53AQI
54AQI
56AQI
56AQI
57AQI
54AQI
56AQI
58AQI
58AQI
60AQI
53AQI
49AQI
39AQI
34AQI
43AQI
48AQI
48AQI
47AQI
41AQI
28AQI
27AQI
24AQI
23AQI
22AQI
21AQI
24AQI
28AQI
30AQI
34AQI
37AQI
37AQI
27AQI
23AQI
24AQI
23AQI
26AQI
24AQI
26AQI
26AQI
28AQI
30AQI
33AQI
40AQI
36AQI
27AQI
23AQI
23AQI
30AQI
34AQI
19AQI
23AQI
40AQI
32AQI
36AQI
49AQI
48AQI
51AQI
46AQI
50AQI
45AQI
55AQI
50AQI
53AQI
57AQI
33AQI
32AQI
27AQI
23AQI
25AQI
40AQI
32AQI
47AQI
28AQI
49AQI
No. of days
202532AQI
Highest AQI recorded in
October49AQI
Lowest AQI recorded in
April23AQI
202428AQI
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
January15AQI
202330AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
December16AQI
202236AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
November29AQI
202140AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
October30AQI
202026AQI
Highest AQI recorded in
July35AQI
Lowest AQI recorded in
December0AQI
Most & Least Polluted Years Over the Last 6 Years
Penamacor's annual 2025 AQI (32) shows an average percentage change of 4.4% (worsened AQI) compared to previous years: 2020 (26), 2021 (40), 2022 (36), 2023 (30), 2024 (28).