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!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Biel Bienne, Bern, Switzerland
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2024
30AQILowest AQI recorded on
3rd Aug 2023
4AQISame Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Biel Bienne, Bern, Switzerland
AQI
Day
Night
.
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
6AM2nd Aug
24AQI
Avg. Lowest Time
9AM2nd Aug
17AQI
Night time
Avg. Highest Time
1AM3rd Aug
25AQI
Avg. Lowest Time
4AM3rd Aug
19AQI
In the last 24 hours,
Biel Bienne's AQI reached its highest point of 25 at 1 AM during the Night, while the lowest point, 17, was recorded at 9 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Biel Bienne, Bern, Switzerland
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025305 AMAQI
4th Jul 2025316 AMAQI
4th Jul 2025307 AMAQI
4th Jul 2025328 AMAQI
4th Jul 2025329 AMAQI
4th Jul 20253210 AMAQI
4th Jul 20253211 AMAQI
4th Jul 20253312 PMAQI
4th Jul 2025321 PMAQI
4th Jul 2025322 PMAQI
4th Jul 2025313 PMAQI
4th Jul 2025324 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025326 PMAQI
4th Jul 2025317 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025319 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253211 PMAQI
5th Jul 20253212 AMAQI
5th Jul 2025321 AMAQI
5th Jul 2025262 AMAQI
5th Jul 2025243 AMAQI
5th Jul 2025244 AMAQI
20°C12/26°C
5th Jul 2025255 AMAQI
5th Jul 2025336 AMAQI
5th Jul 2025327 AMAQI
5th Jul 2025368 AMAQI
5th Jul 2025359 AMAQI
5th Jul 20253210 AMAQI
5th Jul 20253111 AMAQI
5th Jul 20253412 PMAQI
5th Jul 2025321 PMAQI
5th Jul 2025322 PMAQI
5th Jul 2025323 PMAQI
5th Jul 2025334 PMAQI
5th Jul 2025325 PMAQI
5th Jul 2025326 PMAQI
5th Jul 2025337 PMAQI
5th Jul 2025328 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253210 PMAQI
5th Jul 20253111 PMAQI
6th Jul 20253212 AMAQI
6th Jul 2025331 AMAQI
6th Jul 2025252 AMAQI
6th Jul 2025203 AMAQI
6th Jul 2025194 AMAQI
20°C14/28°C
6th Jul 2025195 AMAQI
6th Jul 2025246 AMAQI
6th Jul 2025257 AMAQI
6th Jul 2025288 AMAQI
6th Jul 2025279 AMAQI
6th Jul 20252610 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20252612 PMAQI
6th Jul 2025241 PMAQI
6th Jul 2025252 PMAQI
6th Jul 2025283 PMAQI
6th Jul 2025264 PMAQI
6th Jul 2025275 PMAQI
6th Jul 2025256 PMAQI
6th Jul 2025277 PMAQI
6th Jul 2025268 PMAQI
6th Jul 2025259 PMAQI
6th Jul 20252810 PMAQI
6th Jul 20252711 PMAQI
7th Jul 20252612 AMAQI
7th Jul 2025271 AMAQI
7th Jul 2025192 AMAQI
7th Jul 2025163 AMAQI
7th Jul 2025164 AMAQI
16°C10/24°C
7th Jul 2025175 AMAQI
7th Jul 2025196 AMAQI
7th Jul 2025197 AMAQI
7th Jul 2025208 AMAQI
7th Jul 2025199 AMAQI
7th Jul 20252010 AMAQI
7th Jul 20251911 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025201 PMAQI
7th Jul 2025212 PMAQI
7th Jul 2025223 PMAQI
7th Jul 2025204 PMAQI
7th Jul 2025215 PMAQI
7th Jul 2025206 PMAQI
7th Jul 2025217 PMAQI
7th Jul 2025218 PMAQI
7th Jul 2025219 PMAQI
7th Jul 20252110 PMAQI
7th Jul 20252011 PMAQI
8th Jul 20252112 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025182 AMAQI
8th Jul 2025173 AMAQI
8th Jul 2025184 AMAQI
14°C9/19°C
8th Jul 2025185 AMAQI
8th Jul 2025196 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025209 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20251912 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025192 PMAQI
8th Jul 2025203 PMAQI
8th Jul 2025194 PMAQI
8th Jul 2025205 PMAQI
8th Jul 2025196 PMAQI
8th Jul 2025207 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025199 PMAQI
8th Jul 20251910 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251912 AMAQI
9th Jul 2025191 AMAQI
9th Jul 2025182 AMAQI
9th Jul 2025153 AMAQI
9th Jul 2025184 AMAQI
11°C8/15°C
9th Jul 2025185 AMAQI
9th Jul 2025186 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025189 AMAQI
9th Jul 20251810 AMAQI
9th Jul 20251811 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025171 PMAQI
9th Jul 2025172 PMAQI
9th Jul 2025183 PMAQI
9th Jul 2025184 PMAQI
9th Jul 2025165 PMAQI
9th Jul 2025176 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025188 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251710 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025191 AMAQI
10th Jul 2025192 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025204 AMAQI
13°C5/21°C
10th Jul 2025215 AMAQI
10th Jul 2025186 AMAQI
10th Jul 2025197 AMAQI
10th Jul 2025208 AMAQI
10th Jul 2025209 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20251911 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025182 PMAQI
10th Jul 2025203 PMAQI
10th Jul 2025194 PMAQI
10th Jul 2025195 PMAQI
10th Jul 2025196 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025198 PMAQI
10th Jul 2025189 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252011 PMAQI
11th Jul 20252012 AMAQI
11th Jul 2025201 AMAQI
11th Jul 2025182 AMAQI
11th Jul 2025183 AMAQI
11th Jul 2025204 AMAQI
15°C7/24°C
11th Jul 2025215 AMAQI
11th Jul 2025236 AMAQI
11th Jul 2025237 AMAQI
11th Jul 2025268 AMAQI
11th Jul 2025279 AMAQI
11th Jul 20252510 AMAQI
11th Jul 20252311 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025223 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025225 PMAQI
11th Jul 2025226 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025218 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252210 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252212 AMAQI
12th Jul 2025231 AMAQI
12th Jul 2025202 AMAQI
12th Jul 2025193 AMAQI
12th Jul 2025204 AMAQI
17°C9/25°C
12th Jul 2025215 AMAQI
12th Jul 2025226 AMAQI
12th Jul 2025217 AMAQI
12th Jul 2025238 AMAQI
12th Jul 2025239 AMAQI
12th Jul 20252210 AMAQI
12th Jul 20252311 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025221 PMAQI
12th Jul 2025212 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025224 PMAQI
12th Jul 2025215 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025219 PMAQI
12th Jul 20252210 PMAQI
12th Jul 20252211 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025222 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025194 AMAQI
18°C11/26°C
13th Jul 2025225 AMAQI
13th Jul 2025226 AMAQI
13th Jul 2025237 AMAQI
13th Jul 2025238 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025231 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025234 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025236 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025238 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252311 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025241 AMAQI
14th Jul 2025202 AMAQI
14th Jul 2025203 AMAQI
14th Jul 2025204 AMAQI
20°C12/27°C
14th Jul 2025225 AMAQI
14th Jul 2025266 AMAQI
14th Jul 2025267 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025619 AMAQI
14th Jul 20256210 AMAQI
14th Jul 20255811 AMAQI
14th Jul 20254612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025248 PMAQI
14th Jul 2025239 PMAQI
14th Jul 20252410 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252412 AMAQI
15th Jul 2025261 AMAQI
15th Jul 2025202 AMAQI
15th Jul 2025173 AMAQI
15th Jul 2025204 AMAQI
19°C14/26°C
15th Jul 2025205 AMAQI
15th Jul 2025226 AMAQI
15th Jul 2025227 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025233 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025237 PMAQI
15th Jul 2025238 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252311 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025202 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025234 AMAQI
19°C13/26°C
16th Jul 2025205 AMAQI
16th Jul 2025236 AMAQI
16th Jul 2025227 AMAQI
16th Jul 2025238 AMAQI
16th Jul 2025239 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025222 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025239 PMAQI
16th Jul 20252410 PMAQI
16th Jul 20252311 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025231 AMAQI
17th Jul 2025192 AMAQI
17th Jul 2025163 AMAQI
17th Jul 2025164 AMAQI
15°C10/21°C
17th Jul 2025175 AMAQI
17th Jul 2025206 AMAQI
17th Jul 2025197 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025179 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251711 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025161 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025194 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025209 PMAQI
17th Jul 20251910 PMAQI
17th Jul 20251911 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025201 AMAQI
18th Jul 2025192 AMAQI
18th Jul 2025173 AMAQI
18th Jul 2025154 AMAQI
18°C12/25°C
18th Jul 2025165 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025217 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025204 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025217 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025219 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20252111 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025222 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025214 AMAQI
19°C10/27°C
19th Jul 2025225 AMAQI
19th Jul 2025226 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025224 AMAQI
19°C14/29°C
20th Jul 2025225 AMAQI
20th Jul 2025246 AMAQI
20th Jul 2025257 AMAQI
20th Jul 2025258 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252311 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025182 AMAQI
21st Jul 2025173 AMAQI
21st Jul 2025164 AMAQI
19°C12/28°C
21st Jul 2025175 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20251911 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025194 PMAQI
21st Jul 2025195 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025197 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025199 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025162 AMAQI
22nd Jul 2025133 AMAQI
22nd Jul 2025144 AMAQI
16°C12/22°C
22nd Jul 2025135 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025179 PMAQI
22nd Jul 20251710 PMAQI
22nd Jul 20251711 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025133 AMAQI
23rd Jul 2025144 AMAQI
16°C10/22°C
23rd Jul 2025135 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025157 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251510 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251412 PMAQI
23rd Jul 2025131 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025179 PMAQI
23rd Jul 20251710 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251712 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025153 AMAQI
24th Jul 2025144 AMAQI
17°C9/24°C
24th Jul 2025145 AMAQI
24th Jul 2025166 AMAQI
24th Jul 2025167 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20251610 AMAQI
24th Jul 20251611 AMAQI
24th Jul 20251512 PMAQI
24th Jul 2025161 PMAQI
24th Jul 2025172 PMAQI
24th Jul 2025163 PMAQI
24th Jul 2025164 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025166 PMAQI
24th Jul 2025167 PMAQI
24th Jul 2025168 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251710 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251712 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025164 AMAQI
15°C9/19°C
25th Jul 2025165 AMAQI
25th Jul 2025176 AMAQI
25th Jul 2025177 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251810 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20251712 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251712 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025174 AMAQI
14°C8/21°C
26th Jul 2025185 AMAQI
26th Jul 2025176 AMAQI
26th Jul 2025187 AMAQI
26th Jul 2025178 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251710 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025171 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251710 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025163 AMAQI
27th Jul 2025174 AMAQI
15°C9/20°C
27th Jul 2025165 AMAQI
27th Jul 2025186 AMAQI
27th Jul 2025237 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025194 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025189 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251911 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025162 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025154 AMAQI
15°C10/21°C
28th Jul 2025155 AMAQI
28th Jul 2025176 AMAQI
28th Jul 2025177 AMAQI
28th Jul 2025178 AMAQI
28th Jul 2025169 AMAQI
28th Jul 20251610 AMAQI
28th Jul 20251611 AMAQI
28th Jul 20251512 PMAQI
28th Jul 2025161 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025173 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025177 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025189 PMAQI
28th Jul 20251810 PMAQI
28th Jul 20251811 PMAQI
29th Jul 20251812 AMAQI
29th Jul 2025171 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025174 AMAQI
12°C10/13°C
29th Jul 2025165 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025198 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20251912 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025175 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025199 PMAQI
29th Jul 20251910 PMAQI
29th Jul 20251911 PMAQI
30th Jul 20251912 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025182 AMAQI
30th Jul 2025183 AMAQI
30th Jul 2025184 AMAQI
14°C10/20°C
30th Jul 2025185 AMAQI
30th Jul 2025186 AMAQI
30th Jul 2025197 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025191 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025194 PMAQI
30th Jul 2025195 PMAQI
30th Jul 2025206 PMAQI
30th Jul 2025207 PMAQI
30th Jul 2025198 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025194 AMAQI
15°C9/20°C
31st Jul 2025175 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025218 AMAQI
31st Jul 2025219 AMAQI
31st Jul 20252110 AMAQI
31st Jul 20252111 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025201 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025239 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025211 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025204 AMAQI
16°C11/23°C
1st Aug 2025225 AMAQI
1st Aug 2025206 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252411 AMAQI
1st Aug 20252612 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025242 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025225 PMAQI
1st Aug 2025236 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025312 AMAQI
2nd Aug 2025293 AMAQI
2nd Aug 2025284 AMAQI
16°C10/23°C
2nd Aug 2025245 AMAQI
2nd Aug 2025246 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025239 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252311 PMAQI
3rd Aug 20252312 AMAQI
3rd Aug 2025251 AMAQI
3rd Aug 2025222 AMAQI
3rd Aug 2025213 AMAQI
3rd Aug 2025194 AMAQI
14°C10/18°C
3rd Aug 2025185 AMAQI
5 AM3rd Aug 2025226 AMAQI
3rd Aug 2025197 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025229 AMAQI
3rd Aug 20251910 AMAQI
3rd Aug 20251911 AMAQI
3rd Aug 20251912 PMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 12 PM
22AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM
19AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 12 PM (Avg. 22), while the lowest AQI was between 5 AM to 5 AM (Avg. 19).
Night time
Avg. Highest Time
12 AM - 1 AM
22AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 4 AM
19AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 22), while the lowest AQI was between 3 AM to 4 AM (Avg. 19).
2025 Days Vs Air Quality
Biel Bienne, Bern, Switzerland
2025
79%
169
21%
45
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
169 DaysModerate
45 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 215 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 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
71AQI
71AQI
2nd January 2025
48AQI
48AQI
3rd January 2025
34AQI
34AQI
4th January 2025
49AQI
49AQI
5th January 2025
56AQI
56AQI
6th January 2025
36AQI
36AQI
7th January 2025
27AQI
27AQI
8th January 2025
27AQI
27AQI
9th January 2025
26AQI
26AQI
10th January 2025
24AQI
24AQI
11th January 2025
38AQI
38AQI
12th January 2025
45AQI
45AQI
13th January 2025
40AQI
40AQI
14th January 2025
59AQI
59AQI
15th January 2025
74AQI
74AQI
16th January 2025
54AQI
54AQI
17th January 2025
66AQI
66AQI
18th January 2025
69AQI
69AQI
19th January 2025
82AQI
82AQI
20th January 2025
80AQI
80AQI
21st January 2025
66AQI
66AQI
22nd January 2025
64AQI
64AQI
23rd January 2025
51AQI
51AQI
24th January 2025
42AQI
42AQI
25th January 2025
40AQI
40AQI
26th January 2025
31AQI
31AQI
27th January 2025
24AQI
24AQI
28th January 2025
24AQI
24AQI
29th January 2025
25AQI
25AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
36AQI
36AQI
2nd February 2025
50AQI
50AQI
3rd February 2025
54AQI
54AQI
4th February 2025
60AQI
60AQI
5th February 2025
69AQI
69AQI
6th February 2025
68AQI
68AQI
7th February 2025
65AQI
65AQI
8th February 2025
73AQI
73AQI
9th February 2025
70AQI
70AQI
10th February 2025
76AQI
76AQI
11th February 2025
79AQI
79AQI
12th February 2025
52AQI
52AQI
13th February 2025
48AQI
48AQI
14th February 2025
57AQI
57AQI
15th February 2025
67AQI
67AQI
16th February 2025
74AQI
74AQI
17th February 2025
74AQI
74AQI
18th February 2025
77AQI
77AQI
19th February 2025
79AQI
79AQI
20th February 2025
78AQI
78AQI
21st February 2025
66AQI
66AQI
22nd February 2025
63AQI
63AQI
23rd February 2025
50AQI
50AQI
24th February 2025
52AQI
52AQI
25th February 2025
46AQI
46AQI
26th February 2025
28AQI
28AQI
27th February 2025
31AQI
31AQI
28th February 2025
31AQI
31AQI
1st March 2025
37AQI
37AQI
2nd March 2025
48AQI
48AQI
3rd March 2025
57AQI
57AQI
4th March 2025
58AQI
58AQI
5th March 2025
57AQI
57AQI
6th March 2025
55AQI
55AQI
7th March 2025
55AQI
55AQI
8th March 2025
56AQI
56AQI
9th March 2025
61AQI
61AQI
10th March 2025
46AQI
46AQI
11th March 2025
43AQI
43AQI
12th March 2025
32AQI
32AQI
13th March 2025
42AQI
42AQI
14th March 2025
34AQI
34AQI
15th March 2025
54AQI
54AQI
16th March 2025
41AQI
41AQI
17th March 2025
44AQI
44AQI
18th March 2025
41AQI
41AQI
19th March 2025
51AQI
51AQI
20th March 2025
43AQI
43AQI
21st March 2025
41AQI
41AQI
22nd March 2025
35AQI
35AQI
23rd March 2025
19AQI
19AQI
24th March 2025
22AQI
22AQI
25th March 2025
26AQI
26AQI
26th March 2025
46AQI
46AQI
27th March 2025
43AQI
43AQI
28th March 2025
39AQI
39AQI
29th March 2025
53AQI
53AQI
30th March 2025
47AQI
47AQI
31st March 2025
29AQI
29AQI
1st April 2025
28AQI
28AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
38AQI
38AQI
4th April 2025
36AQI
36AQI
5th April 2025
34AQI
34AQI
6th April 2025
30AQI
30AQI
7th April 2025
23AQI
23AQI
8th April 2025
34AQI
34AQI
9th April 2025
35AQI
35AQI
10th April 2025
37AQI
37AQI
11th April 2025
40AQI
40AQI
12th April 2025
37AQI
37AQI
13th April 2025
36AQI
36AQI
14th April 2025
28AQI
28AQI
15th April 2025
21AQI
21AQI
16th April 2025
19AQI
19AQI
17th April 2025
16AQI
16AQI
18th April 2025
17AQI
17AQI
19th April 2025
19AQI
19AQI
20th April 2025
18AQI
18AQI
21st April 2025
15AQI
15AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
19AQI
19AQI
24th April 2025
14AQI
14AQI
25th April 2025
22AQI
22AQI
26th April 2025
24AQI
24AQI
27th April 2025
29AQI
29AQI
28th April 2025
26AQI
26AQI
29th April 2025
29AQI
29AQI
30th April 2025
27AQI
27AQI
1st May 2025
26AQI
26AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
26AQI
26AQI
4th May 2025
18AQI
18AQI
5th May 2025
18AQI
18AQI
6th May 2025
19AQI
19AQI
7th May 2025
25AQI
25AQI
8th May 2025
32AQI
32AQI
9th May 2025
41AQI
41AQI
10th May 2025
28AQI
28AQI
11th May 2025
22AQI
22AQI
12th May 2025
18AQI
18AQI
13th May 2025
19AQI
19AQI
14th May 2025
21AQI
21AQI
15th May 2025
24AQI
24AQI
16th May 2025
16AQI
16AQI
17th May 2025
17AQI
17AQI
18th May 2025
23AQI
23AQI
19th May 2025
22AQI
22AQI
20th May 2025
25AQI
25AQI
21st May 2025
22AQI
22AQI
22nd May 2025
23AQI
23AQI
23rd May 2025
20AQI
20AQI
24th May 2025
16AQI
16AQI
25th May 2025
19AQI
19AQI
26th May 2025
17AQI
17AQI
27th May 2025
16AQI
16AQI
28th May 2025
15AQI
15AQI
29th May 2025
15AQI
15AQI
30th May 2025
18AQI
18AQI
31st May 2025
20AQI
20AQI
1st June 2025
20AQI
20AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
18AQI
18AQI
4th June 2025
20AQI
20AQI
5th June 2025
16AQI
16AQI
6th June 2025
17AQI
17AQI
7th June 2025
16AQI
16AQI
8th June 2025
28AQI
28AQI
9th June 2025
30AQI
30AQI
10th June 2025
50AQI
50AQI
11th June 2025
58AQI
58AQI
12th June 2025
49AQI
49AQI
13th June 2025
52AQI
52AQI
14th June 2025
52AQI
52AQI
15th June 2025
42AQI
42AQI
16th June 2025
28AQI
28AQI
17th June 2025
29AQI
29AQI
18th June 2025
29AQI
29AQI
19th June 2025
34AQI
34AQI
20th June 2025
39AQI
39AQI
21st June 2025
34AQI
34AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
35AQI
35AQI
24th June 2025
28AQI
28AQI
25th June 2025
24AQI
24AQI
26th June 2025
23AQI
23AQI
27th June 2025
22AQI
22AQI
28th June 2025
20AQI
20AQI
29th June 2025
22AQI
22AQI
30th June 2025
24AQI
24AQI
1st July 2025
26AQI
26AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
28AQI
28AQI
4th July 2025
31AQI
31AQI
5th July 2025
31AQI
31AQI
6th July 2025
27AQI
27AQI
7th July 2025
21AQI
21AQI
8th July 2025
19AQI
19AQI
9th July 2025
18AQI
18AQI
10th July 2025
19AQI
19AQI
11th July 2025
21AQI
21AQI
12th July 2025
22AQI
22AQI
13th July 2025
23AQI
23AQI
14th July 2025
28AQI
28AQI
15th July 2025
23AQI
23AQI
16th July 2025
23AQI
23AQI
17th July 2025
20AQI
20AQI
18th July 2025
20AQI
20AQI
19th July 2025
22AQI
22AQI
20th July 2025
23AQI
23AQI
21st July 2025
19AQI
19AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
16AQI
16AQI
24th July 2025
16AQI
16AQI
25th July 2025
17AQI
17AQI
26th July 2025
17AQI
17AQI
27th July 2025
19AQI
19AQI
28th July 2025
17AQI
17AQI
29th July 2025
18AQI
18AQI
30th July 2025
19AQI
19AQI
31st July 2025
22AQI
22AQI
1st August 2025
22AQI
22AQI
2nd August 2025
23AQI
23AQI
46AQI
60AQI
44AQI
27AQI
21AQI
30AQI
22AQI
23AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
19
12
8
20
21
10
30
31
27
3
31
2
169
45
Highest AQI recorded in
February60AQI
Lowest AQI recorded in
May21AQI
202414AQI
31
29
31
30
31
30
31
31
3
13
30
25
6
315
6
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
July5AQI
202312AQI
29
2
23
5
27
4
30
31
30
31
31
30
31
29
31
353
11
Highest AQI recorded in
February37AQI
Lowest AQI recorded in
July5AQI
202229AQI
3
1
30
28
2
61
3
Highest AQI recorded in
October42AQI
Lowest AQI recorded in
November22AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
35AQILeast Polluted Year Recorded
2023(Avg.)
12AQIBiel Bienne's annual 2025 AQI (35) shows an average percentage change of 120.4% (worsened AQI) compared to previous years: 2022 (29), 2023 (12), 2024 (14).
