Siedlce, Mazowieckie, Poland 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
Siedlce, Mazowieckie, Poland
AQI Trends: Highest and Lowest
Same Day Analysis (10th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 81 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Mar - 10th Mar 2026
Siedlce, Mazowieckie, Poland
6 AM9th Mar 2026
5 PM
5 AM10th Mar 2026
125AQI
42AQI
130AQI
46AQI
In the last 24 hours,
Siedlce's AQI reached its highest point of 130 at 11 PM during the Night, while the lowest point, 42, was recorded at 5 PM during the Day between 9th Mar and 10th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Siedlce, Mazowieckie, Poland
-11°C-15/-6°C
-5°C-12/0°C
0°C-4/1°C
1°C1/2°C
2°C0/4°C
-2°C-4/-1°C
-7°C-10/-5°C
-10°C-12/-7°C
-7°C-9/-4°C
-5°C-8/-1°C
-8°C-10/-4°C
-7°C-11/-2°C
-4°C-8/-1°C
1°C1/2°C
3°C2/5°C
1°C0/2°C
-1°C-1/0°C
0°C-2/4°C
4°C0/8°C
6°C2/12°C
7°C3/12°C
6°C2/10°C
5°C4/8°C
5°C1/9°C
4°C0/9°C
4°C0/9°C
6°C2/11°C
6°C2/11°C
7°C2/13°C
8°C3/13°C
85AQI
55AQI
98AQI
62AQI
2026 Days Vs Air Quality
Siedlce, Mazowieckie, Poland
12%
8
65%
45
19%
13
4%
3
Total number of days with different AQI categories in last 70 days in 2026 (295 days remaining)
Under WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2026, 12% of 70 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Siedlce, Mazowieckie, Poland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI (US)
40AQI (US)
33AQI (US)
43AQI (US)
81AQI (US)
100AQI (US)
158AQI (US)
90AQI (US)
66AQI (US)
68AQI (US)
58AQI (US)
71AQI (US)
127AQI (US)
118AQI (US)
118AQI (US)
115AQI (US)
77AQI (US)
88AQI (US)
114AQI (US)
159AQI (US)
152AQI (US)
148AQI (US)
88AQI (US)
84AQI (US)
93AQI (US)
84AQI (US)
128AQI (US)
129AQI (US)
91AQI (US)
78AQI (US)
43AQI (US)
58AQI (US)
82AQI (US)
115AQI (US)
88AQI (US)
72AQI (US)
64AQI (US)
95AQI (US)
83AQI (US)
56AQI (US)
92AQI (US)
82AQI (US)
95AQI (US)
69AQI (US)
71AQI (US)
68AQI (US)
57AQI (US)
62AQI (US)
113AQI (US)
100AQI (US)
99AQI (US)
102AQI (US)
82AQI (US)
50AQI (US)
41AQI (US)
41AQI (US)
66AQI (US)
81AQI (US)
92AQI (US)
72AQI (US)
47AQI (US)
75AQI (US)
75AQI (US)
65AQI (US)
89AQI (US)
119AQI (US)
115AQI (US)
98AQI (US)
81AQI (US)
94AQI (US)
78AQI (US)
84AQI (US)
No. of days
202686AQI (US)
Highest AQI (US) recorded in
January94AQI (US)
Lowest AQI (US) recorded in
February78AQI (US)
202553AQI (US)
Highest AQI (US) recorded in
February91AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202455AQI (US)
Highest AQI (US) recorded in
March78AQI (US)
Lowest AQI (US) recorded in
August38AQI (US)
202351AQI (US)
Highest AQI (US) recorded in
December66AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202258AQI (US)
Highest AQI (US) recorded in
March94AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202150AQI (US)
Highest AQI (US) recorded in
February90AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202052AQI (US)
Highest AQI (US) recorded in
March81AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Siedlce's annual 2026 AQI (US) (86) shows an average percentage change of 61.5% (worsened AQI (US)) compared to previous years: 2020 (52), 2021 (50), 2022 (58), 2023 (51), 2024 (55), 2025 (53).