Singe, Golega, Santarem, Portugal Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Singe, Golega, Santarem, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (5th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Mar - 5th Mar 2026
Singe, Golega, Santarem, Portugal
7 AM4th Mar 2026
6 PM
6 AM5th Mar 2026
50AQI
33AQI
70AQI
37AQI
In the last 24 hours,
Singe's AQI reached its highest point of 70 at 1 AM during the Night, while the lowest point, 33, was recorded at 1 PM during the Day between 4th Mar and 5th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Singe, Golega, Santarem, Portugal
12°C9/14°C
13°C9/14°C
9°C6/12°C
9°C5/14°C
10°C6/13°C
15°C12/16°C
15°C14/17°C
15°C13/16°C
13°C8/17°C
11°C8/13°C
10°C8/13°C
10°C6/15°C
12°C8/16°C
12°C8/16°C
10°C7/15°C
9°C5/14°C
9°C4/17°C
11°C6/20°C
12°C7/21°C
13°C7/21°C
13°C7/20°C
13°C10/19°C
14°C9/22°C
11°C8/13°C
10°C6/16°C
11°C5/19°C
10°C6/16°C
13°C9/19°C
14°C9/21°C
11°C8/15°C
51AQI
31AQI
60AQI
35AQI
2026 Days Vs Air Quality
Singe, Golega, Santarem, Portugal
92%
59
8%
5
Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 65 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
Singe, Golega, Santarem, Portugal
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
19AQI (US)
14AQI (US)
23AQI (US)
17AQI (US)
24AQI (US)
27AQI (US)
52AQI (US)
20AQI (US)
27AQI (US)
38AQI (US)
19AQI (US)
17AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
35AQI (US)
32AQI (US)
21AQI (US)
36AQI (US)
58AQI (US)
42AQI (US)
50AQI (US)
48AQI (US)
40AQI (US)
43AQI (US)
49AQI (US)
63AQI (US)
45AQI (US)
40AQI (US)
43AQI (US)
50AQI (US)
44AQI (US)
53AQI (US)
47AQI (US)
43AQI (US)
45AQI (US)
50AQI (US)
32AQI (US)
24AQI (US)
44AQI (US)
14AQI (US)
42AQI (US)
40AQI (US)
31AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
39AQI (US)
38AQI (US)
40AQI (US)
37AQI (US)
57AQI (US)
38AQI (US)
37AQI (US)
27AQI (US)
28AQI (US)
42AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
43AQI (US)
33AQI (US)
40AQI (US)
45AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
August42AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
September39AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
November38AQI (US)
Lowest AQI (US) recorded in
March17AQI (US)
202029AQI (US)
Highest AQI (US) recorded in
July36AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Singe's annual 2026 AQI (US) (37) shows an average percentage change of 14.7% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (30), 2022 (34), 2023 (32), 2024 (35), 2025 (34).