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 (2nd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Biel Bienne, Bern, Switzerland
5 AM1st Jun 2026
9 PM
4 AM2nd Jun 2026
34AQI
24AQI
35AQI
29AQI
In the last 24 hours,
Biel Bienne's AQI reached its highest point of 35 at 11 PM during the Night, while the lowest point, 24, was recorded at 3 PM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Biel Bienne, Bern, Switzerland
11°C7/19°C
10°C7/13°C
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
36AQI
26AQI
36AQI
31AQI
2026 Days Vs Air Quality
Biel Bienne, Bern, Switzerland
84%
126
16%
24
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 153 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)
47AQI (US)
35AQI (US)
40AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
April26AQI (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).