Biel Bienne, Bern, Switzerland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Biel Bienne, Bern, Switzerland
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 16 of Good air quality, showing improvement over 2025 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Biel Bienne, Bern, Switzerland
5 AM3rd Jun 2026
9 PM
4 AM4th Jun 2026
25AQI
4AQI
24AQI
8AQI
In the last 24 hours,
Biel Bienne's AQI reached its highest point of 25 at 2 PM during the Day, while the lowest point, 4, was recorded at 8 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Biel Bienne, Bern, Switzerland
9°C4/11°C
10°C4/15°C
11°C3/20°C
13°C6/21°C
12°C8/18°C
10°C6/14°C
7°C2/13°C
8°C2/15°C
7°C2/10°C
5°C1/8°C
5°C-1/12°C
8°C0/15°C
8°C4/13°C
9°C3/13°C
13°C7/20°C
14°C6/22°C
16°C7/25°C
18°C9/27°C
20°C11/28°C
20°C12/29°C
21°C13/29°C
21°C14/28°C
19°C12/27°C
19°C11/27°C
19°C10/28°C
18°C11/25°C
16°C10/23°C
15°C10/22°C
13°C7/20°C
13°C9/18°C
34AQI
25AQI
36AQI
30AQI
2026 Days Vs Air Quality
Biel Bienne, Bern, Switzerland
84%
127
16%
24
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 155 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
Biel Bienne, Bern, Switzerland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI (US)
34AQI (US)
23AQI (US)
51AQI (US)
64AQI (US)
69AQI (US)
63AQI (US)
35AQI (US)
22AQI (US)
11AQI (US)
35AQI (US)
48AQI (US)
43AQI (US)
43AQI (US)
42AQI (US)
52AQI (US)
62AQI (US)
70AQI (US)
57AQI (US)
53AQI (US)
57AQI (US)
56AQI (US)
69AQI (US)
50AQI (US)
60AQI (US)
56AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
45AQI (US)
41AQI (US)
49AQI (US)
50AQI (US)
39AQI (US)
38AQI (US)
52AQI (US)
42AQI (US)
17AQI (US)
32AQI (US)
45AQI (US)
40AQI (US)
20AQI (US)
23AQI (US)
30AQI (US)
42AQI (US)
34AQI (US)
32AQI (US)
37AQI (US)
36AQI (US)
37AQI (US)
29AQI (US)
18AQI (US)
24AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
33AQI (US)
35AQI (US)
33AQI (US)
31AQI (US)
50AQI (US)
47AQI (US)
44AQI (US)
58AQI (US)
74AQI (US)
81AQI (US)
82AQI (US)
67AQI (US)
50AQI (US)
13AQI (US)
18AQI (US)
38AQI (US)
35AQI (US)
29AQI (US)
35AQI (US)
31AQI (US)
30AQI (US)
64AQI (US)
55AQI (US)
43AQI (US)
38AQI (US)
42AQI (US)
36AQI (US)
33AQI (US)
9AQI (US)
20AQI (US)
28AQI (US)
25AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
34AQI (US)
26AQI (US)
14AQI (US)
22AQI (US)
38AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
20AQI (US)
24AQI (US)
28AQI (US)
24AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
35AQI (US)
34AQI (US)
35AQI (US)
38AQI (US)
52AQI (US)
41AQI (US)
42AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
16AQI (US)
47AQI (US)
35AQI (US)
40AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
February60AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
202414AQI (US)
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
July5AQI (US)
202312AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
July5AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
October42AQI (US)
Lowest AQI (US) recorded in
November22AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Biel Bienne's annual 2026 AQI (US) (36) shows an average percentage change of 94.004% (worsened AQI (US)) compared to previous years: 2022 (29), 2023 (12), 2024 (14), 2025 (38).