Viisoara, Bistrita, Bistrita Nasaud, Romania 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
Viisoara, Bistrita, Bistrita Nasaud, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Viisoara, Bistrita, Bistrita Nasaud, Romania
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
27AQI
24AQI
26AQI
24AQI
In the last 24 hours,
Viisoara's AQI reached its highest point of 27 at 8 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Viisoara, Bistrita, Bistrita Nasaud, Romania
25°C16/33°C
22°C16/30°C
22°C14/30°C
23°C17/34°C
23°C16/32°C
17°C12/24°C
13°C12/14°C
15°C11/21°C
17°C10/24°C
20°C12/28°C
22°C15/30°C
21°C16/28°C
19°C15/24°C
18°C13/24°C
13°C12/15°C
17°C12/23°C
19°C13/27°C
22°C15/29°C
23°C17/29°C
21°C14/28°C
23°C16/31°C
25°C17/33°C
25°C19/36°C
22°C17/28°C
21°C15/27°C
18°C15/22°C
17°C15/21°C
19°C13/24°C
18°C12/24°C
20°C13/28°C
--°C/°C
21AQI
17AQI
22AQI
18AQI
2025 Days Vs Air Quality
Viisoara, Bistrita, Bistrita Nasaud, Romania
61%
130
39%
83
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 215 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Viisoara, Bistrita, Bistrita Nasaud, Romania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
58AQI
61AQI
60AQI
59AQI
58AQI
56AQI
56AQI
55AQI
56AQI
54AQI
53AQI
51AQI
48AQI
53AQI
54AQI
55AQI
56AQI
57AQI
57AQI
57AQI
58AQI
60AQI
61AQI
60AQI
59AQI
59AQI
59AQI
58AQI
58AQI
57AQI
58AQI
59AQI
57AQI
57AQI
58AQI
59AQI
58AQI
58AQI
58AQI
57AQI
58AQI
58AQI
58AQI
59AQI
60AQI
60AQI
59AQI
60AQI
59AQI
59AQI
59AQI
60AQI
60AQI
60AQI
61AQI
60AQI
61AQI
60AQI
60AQI
60AQI
59AQI
59AQI
57AQI
57AQI
56AQI
55AQI
55AQI
55AQI
56AQI
55AQI
54AQI
53AQI
53AQI
51AQI
49AQI
48AQI
47AQI
47AQI
47AQI
50AQI
52AQI
53AQI
54AQI
54AQI
53AQI
54AQI
52AQI
52AQI
52AQI
51AQI
50AQI
50AQI
49AQI
47AQI
47AQI
45AQI
42AQI
43AQI
42AQI
42AQI
39AQI
31AQI
26AQI
26AQI
26AQI
29AQI
29AQI
33AQI
31AQI
31AQI
30AQI
31AQI
29AQI
29AQI
29AQI
29AQI
28AQI
29AQI
29AQI
29AQI
25AQI
26AQI
23AQI
23AQI
24AQI
27AQI
28AQI
26AQI
27AQI
21AQI
21AQI
25AQI
23AQI
25AQI
26AQI
25AQI
22AQI
21AQI
21AQI
22AQI
22AQI
28AQI
19AQI
21AQI
18AQI
21AQI
22AQI
19AQI
21AQI
19AQI
20AQI
20AQI
22AQI
21AQI
22AQI
25AQI
22AQI
25AQI
20AQI
19AQI
26AQI
37AQI
32AQI
26AQI
23AQI
24AQI
27AQI
35AQI
30AQI
29AQI
26AQI
23AQI
25AQI
25AQI
28AQI
24AQI
20AQI
19AQI
18AQI
17AQI
18AQI
18AQI
19AQI
18AQI
19AQI
20AQI
21AQI
24AQI
24AQI
22AQI
20AQI
20AQI
20AQI
21AQI
22AQI
21AQI
22AQI
22AQI
19AQI
18AQI
17AQI
20AQI
22AQI
20AQI
18AQI
18AQI
20AQI
20AQI
18AQI
17AQI
17AQI
21AQI
24AQI
57AQI
59AQI
53AQI
35AQI
23AQI
24AQI
20AQI
24AQI
No. of days
202538AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
July20AQI
202443AQI
Highest AQI recorded in
October77AQI
Lowest AQI recorded in
May11AQI
202344AQI
Highest AQI recorded in
February96AQI
Lowest AQI recorded in
July16AQI
202272AQI
Highest AQI recorded in
October95AQI
Lowest AQI recorded in
November69AQI
Most & Least Polluted Years Over the Last 4 Years
Viisoara's annual 2025 AQI (38) shows an average percentage change of -23.2% (improved AQI) compared to previous years: 2022 (72), 2023 (44), 2024 (43).