Anglesey, Llangefni, Isle Of Anglesey, United Kingdom 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
Anglesey, Llangefni, Isle Of Anglesey, United Kingdom
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
60AQILowest AQI recorded on
23rd Aug 2021
5AQISame Day Analysis (4th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Anglesey, Llangefni, Isle Of Anglesey, United Kingdom
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
10AM4th Aug
23AQI
Avg. Lowest Time
5PM4th Aug
20AQI
Night time
Avg. Highest Time
4AM5th Aug
26AQI
Avg. Lowest Time
1AM5th Aug
21AQI
In the last 24 hours,
Anglesey's AQI reached its highest point of 26 at 4 AM during the Night, while the lowest point, 20, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Anglesey, Llangefni, Isle Of Anglesey, United Kingdom
JulAug
06th - 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 - 04th04th - 05th05th
Day
Night
6th Jul 2025175 AMAQI
6th Jul 2025176 AMAQI
6th Jul 2025167 AMAQI
6th Jul 2025168 AMAQI
6th Jul 2025169 AMAQI
6th Jul 20251610 AMAQI
6th Jul 20251411 AMAQI
6th Jul 20251612 PMAQI
6th Jul 2025161 PMAQI
6th Jul 2025162 PMAQI
6th Jul 2025163 PMAQI
6th Jul 2025164 PMAQI
6th Jul 2025165 PMAQI
6th Jul 2025166 PMAQI
6th Jul 2025157 PMAQI
6th Jul 2025158 PMAQI
6th Jul 2025179 PMAQI
6th Jul 20251710 PMAQI
6th Jul 20251611 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025181 AMAQI
7th Jul 2025172 AMAQI
7th Jul 2025153 AMAQI
7th Jul 2025174 AMAQI
14°C13/17°C
7th Jul 2025165 AMAQI
7th Jul 2025166 AMAQI
7th Jul 2025197 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025189 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025172 PMAQI
7th Jul 2025183 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025185 PMAQI
7th Jul 2025186 PMAQI
7th Jul 2025187 PMAQI
7th Jul 2025188 PMAQI
7th Jul 2025189 PMAQI
7th Jul 20251810 PMAQI
7th Jul 20251811 PMAQI
8th Jul 20251812 AMAQI
8th Jul 2025181 AMAQI
8th Jul 2025182 AMAQI
8th Jul 2025183 AMAQI
8th Jul 2025184 AMAQI
14°C12/17°C
8th Jul 2025185 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025208 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20251911 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025184 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025157 PMAQI
8th Jul 2025178 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20252012 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025182 AMAQI
9th Jul 2025183 AMAQI
9th Jul 2025174 AMAQI
14°C10/16°C
9th Jul 2025225 AMAQI
9th Jul 2025186 AMAQI
9th Jul 2025197 AMAQI
9th Jul 2025208 AMAQI
9th Jul 2025199 AMAQI
9th Jul 20251810 AMAQI
9th Jul 20251811 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025191 PMAQI
9th Jul 2025182 PMAQI
9th Jul 2025183 PMAQI
9th Jul 2025184 PMAQI
9th Jul 2025185 PMAQI
9th Jul 2025186 PMAQI
9th Jul 2025197 PMAQI
9th Jul 2025188 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251910 PMAQI
9th Jul 20252011 PMAQI
10th Jul 20252012 AMAQI
10th Jul 2025181 AMAQI
10th Jul 2025192 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025184 AMAQI
16°C14/19°C
10th Jul 2025195 AMAQI
10th Jul 2025216 AMAQI
10th Jul 2025237 AMAQI
10th Jul 2025238 AMAQI
10th Jul 2025229 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20252012 PMAQI
10th Jul 2025201 PMAQI
10th Jul 2025192 PMAQI
10th Jul 2025183 PMAQI
10th Jul 2025174 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025256 PMAQI
10th Jul 2025167 PMAQI
10th Jul 2025168 PMAQI
10th Jul 2025209 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20251811 PMAQI
11th Jul 20251912 AMAQI
11th Jul 2025181 AMAQI
11th Jul 2025202 AMAQI
11th Jul 2025223 AMAQI
11th Jul 2025194 AMAQI
17°C14/20°C
11th Jul 2025215 AMAQI
11th Jul 2025236 AMAQI
11th Jul 2025257 AMAQI
11th Jul 2025238 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20252310 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025181 PMAQI
11th Jul 2025192 PMAQI
11th Jul 2025183 PMAQI
11th Jul 2025184 PMAQI
11th Jul 2025175 PMAQI
11th Jul 2025166 PMAQI
11th Jul 2025147 PMAQI
11th Jul 2025168 PMAQI
11th Jul 2025189 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20251711 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025191 AMAQI
12th Jul 2025172 AMAQI
12th Jul 2025223 AMAQI
12th Jul 2025184 AMAQI
18°C13/22°C
12th Jul 2025175 AMAQI
12th Jul 2025176 AMAQI
12th Jul 2025227 AMAQI
12th Jul 2025218 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252210 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025171 PMAQI
12th Jul 2025162 PMAQI
12th Jul 2025193 PMAQI
12th Jul 2025174 PMAQI
12th Jul 2025175 PMAQI
12th Jul 2025206 PMAQI
12th Jul 2025167 PMAQI
12th Jul 2025168 PMAQI
12th Jul 2025189 PMAQI
12th Jul 20251810 PMAQI
12th Jul 20251711 PMAQI
13th Jul 20251812 AMAQI
13th Jul 2025191 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025193 AMAQI
13th Jul 2025224 AMAQI
21°C17/26°C
13th Jul 2025225 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025227 AMAQI
13th Jul 2025228 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252910 AMAQI
13th Jul 20252511 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025231 PMAQI
13th Jul 2025222 PMAQI
13th Jul 2025273 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025235 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025248 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252612 AMAQI
14th Jul 2025221 AMAQI
14th Jul 2025222 AMAQI
14th Jul 2025483 AMAQI
14th Jul 2025334 AMAQI
20°C16/23°C
14th Jul 2025305 AMAQI
14th Jul 2025226 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025228 AMAQI
14th Jul 2025219 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025211 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025183 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025217 PMAQI
14th Jul 2025188 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20251911 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025182 AMAQI
15th Jul 2025163 AMAQI
15th Jul 2025184 AMAQI
16°C13/17°C
15th Jul 2025175 AMAQI
15th Jul 2025176 AMAQI
15th Jul 2025197 AMAQI
15th Jul 2025298 AMAQI
15th Jul 2025189 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025181 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025183 PMAQI
15th Jul 2025174 PMAQI
15th Jul 2025175 PMAQI
15th Jul 2025186 PMAQI
15th Jul 2025197 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025209 PMAQI
15th Jul 20252110 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025301 AMAQI
16th Jul 2025342 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025344 AMAQI
14°C13/16°C
16th Jul 2025365 AMAQI
16th Jul 2025346 AMAQI
16th Jul 2025367 AMAQI
16th Jul 2025348 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025253 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025205 PMAQI
16th Jul 2025206 PMAQI
16th Jul 2025217 PMAQI
16th Jul 2025218 PMAQI
16th Jul 2025229 PMAQI
16th Jul 20252510 PMAQI
16th Jul 20252611 PMAQI
17th Jul 20252512 AMAQI
17th Jul 2025241 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025233 AMAQI
17th Jul 2025214 AMAQI
15°C12/18°C
17th Jul 2025225 AMAQI
17th Jul 2025236 AMAQI
17th Jul 2025217 AMAQI
17th Jul 2025218 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252210 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251712 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025197 PMAQI
17th Jul 2025168 PMAQI
17th Jul 2025189 PMAQI
17th Jul 20251810 PMAQI
17th Jul 20251811 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025201 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025284 AMAQI
17°C14/19°C
18th Jul 2025245 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251611 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025171 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025184 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025186 PMAQI
18th Jul 2025207 PMAQI
18th Jul 2025188 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20251811 PMAQI
19th Jul 20251712 AMAQI
19th Jul 2025191 AMAQI
19th Jul 2025192 AMAQI
19th Jul 2025193 AMAQI
19th Jul 2025224 AMAQI
17°C14/19°C
19th Jul 2025205 AMAQI
19th Jul 2025206 AMAQI
19th Jul 2025207 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025198 PMAQI
19th Jul 2025209 PMAQI
19th Jul 20251910 PMAQI
19th Jul 20251811 PMAQI
20th Jul 20251912 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025284 AMAQI
16°C13/19°C
20th Jul 2025305 AMAQI
20th Jul 2025326 AMAQI
20th Jul 2025277 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20251412 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025162 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025165 PMAQI
20th Jul 2025136 PMAQI
20th Jul 2025157 PMAQI
20th Jul 2025168 PMAQI
20th Jul 2025169 PMAQI
20th Jul 20251610 PMAQI
20th Jul 20251611 PMAQI
21st Jul 20251712 AMAQI
21st Jul 2025171 AMAQI
21st Jul 2025162 AMAQI
21st Jul 2025173 AMAQI
21st Jul 2025184 AMAQI
16°C14/19°C
21st Jul 2025195 AMAQI
21st Jul 2025206 AMAQI
21st Jul 2025187 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025179 AMAQI
21st Jul 20251610 AMAQI
21st Jul 20251411 AMAQI
21st Jul 20251712 PMAQI
21st Jul 2025141 PMAQI
21st Jul 2025122 PMAQI
21st Jul 2025143 PMAQI
21st Jul 2025194 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025177 PMAQI
21st Jul 2025178 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025171 AMAQI
22nd Jul 2025152 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025144 AMAQI
15°C13/18°C
22nd Jul 2025165 AMAQI
22nd Jul 2025156 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025148 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20251210 AMAQI
22nd Jul 20251211 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025152 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025145 PMAQI
22nd Jul 2025146 PMAQI
22nd Jul 2025127 PMAQI
22nd Jul 2025128 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251410 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025193 AMAQI
23rd Jul 2025254 AMAQI
15°C14/17°C
23rd Jul 2025385 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025597 AMAQI
23rd Jul 2025598 AMAQI
23rd Jul 2025629 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025464 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025491 AMAQI
24th Jul 2025552 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025624 AMAQI
15°C13/17°C
24th Jul 2025595 AMAQI
24th Jul 2025586 AMAQI
24th Jul 2025617 AMAQI
24th Jul 2025688 AMAQI
24th Jul 2025689 AMAQI
24th Jul 20256610 AMAQI
24th Jul 20256311 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025566 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025561 AMAQI
25th Jul 2025592 AMAQI
25th Jul 2025593 AMAQI
25th Jul 2025584 AMAQI
15°C12/18°C
25th Jul 2025585 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025578 AMAQI
25th Jul 2025559 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025565 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025264 AMAQI
16°C12/19°C
26th Jul 2025355 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025379 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025204 AMAQI
16°C14/18°C
27th Jul 2025215 AMAQI
27th Jul 2025226 AMAQI
27th Jul 2025247 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025291 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025264 AMAQI
15°C13/17°C
28th Jul 2025225 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20251910 PMAQI
28th Jul 20251711 PMAQI
29th Jul 20251612 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025162 AMAQI
29th Jul 2025143 AMAQI
29th Jul 2025184 AMAQI
15°C13/17°C
29th Jul 2025165 AMAQI
29th Jul 2025166 AMAQI
29th Jul 2025147 AMAQI
29th Jul 2025198 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20251510 AMAQI
29th Jul 20251611 AMAQI
29th Jul 20251712 PMAQI
29th Jul 2025171 PMAQI
29th Jul 2025172 PMAQI
29th Jul 2025173 PMAQI
29th Jul 2025174 PMAQI
29th Jul 2025175 PMAQI
29th Jul 2025176 PMAQI
29th Jul 2025177 PMAQI
29th Jul 2025178 PMAQI
29th Jul 2025189 PMAQI
29th Jul 20251810 PMAQI
29th Jul 20251811 PMAQI
30th Jul 20251812 AMAQI
30th Jul 2025171 AMAQI
30th Jul 2025182 AMAQI
30th Jul 2025183 AMAQI
30th Jul 2025164 AMAQI
16°C15/17°C
30th Jul 2025155 AMAQI
30th Jul 2025186 AMAQI
30th Jul 2025157 AMAQI
30th Jul 2025148 AMAQI
30th Jul 2025149 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251412 PMAQI
30th Jul 2025151 PMAQI
30th Jul 2025152 PMAQI
30th Jul 2025163 PMAQI
30th Jul 2025164 PMAQI
30th Jul 2025155 PMAQI
30th Jul 2025156 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025203 AMAQI
31st Jul 2025144 AMAQI
16°C15/18°C
31st Jul 2025155 AMAQI
31st Jul 2025166 AMAQI
31st Jul 2025167 AMAQI
31st Jul 2025168 AMAQI
31st Jul 2025169 AMAQI
31st Jul 20252010 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252112 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025192 PMAQI
31st Jul 2025183 PMAQI
31st Jul 2025194 PMAQI
31st Jul 2025165 PMAQI
31st Jul 2025196 PMAQI
31st Jul 2025187 PMAQI
31st Jul 2025208 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20252010 PMAQI
31st Jul 20251911 PMAQI
1st Aug 20252012 AMAQI
1st Aug 2025211 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025193 AMAQI
1st Aug 2025214 AMAQI
15°C12/18°C
1st Aug 2025185 AMAQI
1st Aug 2025186 AMAQI
1st Aug 2025237 AMAQI
1st Aug 2025198 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20251812 PMAQI
1st Aug 2025191 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025203 PMAQI
1st Aug 2025184 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252111 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025192 AMAQI
2nd Aug 2025193 AMAQI
2nd Aug 2025214 AMAQI
14°C11/17°C
2nd Aug 2025205 AMAQI
2nd Aug 2025216 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025208 AMAQI
2nd Aug 2025239 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025246 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025228 PMAQI
2nd Aug 2025239 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252111 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025223 AMAQI
3rd Aug 2025204 AMAQI
14°C11/17°C
3rd Aug 2025195 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025209 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20252011 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025221 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025203 PMAQI
3rd Aug 2025214 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025287 PMAQI
3rd Aug 2025268 PMAQI
3rd Aug 2025229 PMAQI
3rd Aug 20252310 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252212 AMAQI
4th Aug 2025391 AMAQI
4th Aug 2025212 AMAQI
4th Aug 2025233 AMAQI
4th Aug 2025224 AMAQI
17°C15/19°C
4th Aug 2025215 AMAQI
4th Aug 2025226 AMAQI
4th Aug 2025227 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025209 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20252111 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025212 PMAQI
4th Aug 2025203 PMAQI
4th Aug 2025214 PMAQI
4th Aug 2025205 PMAQI
4th Aug 2025216 PMAQI
4th Aug 2025217 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025229 PMAQI
4th Aug 20252210 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025211 AMAQI
5th Aug 2025232 AMAQI
5th Aug 2025243 AMAQI
5th Aug 2025264 AMAQI
16°C14/18°C
5th Aug 2025265 AMAQI
5 AM5th Aug 2025206 AMAQI
5th Aug 2025227 AMAQI
5th Aug 2025228 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252210 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
23AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
23AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 23), while the lowest AQI was between 5 AM to 9 PM (Avg. 23).
Night time
Avg. Highest Time
12 AM - 11 PM
24AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
24AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 24), while the lowest AQI was between 12 AM to 11 PM (Avg. 24).
2025 Days Vs Air Quality
Anglesey, Llangefni, Isle Of Anglesey, United Kingdom
2025
92%
199
8%
17
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
199 DaysModerate
17 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Anglesey, Llangefni, Isle Of Anglesey, United Kingdom
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
33AQI
33AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
40AQI
40AQI
4th January 2025
46AQI
46AQI
5th January 2025
32AQI
32AQI
6th January 2025
28AQI
28AQI
7th January 2025
24AQI
24AQI
8th January 2025
33AQI
33AQI
9th January 2025
40AQI
40AQI
10th January 2025
42AQI
42AQI
11th January 2025
40AQI
40AQI
12th January 2025
45AQI
45AQI
13th January 2025
36AQI
36AQI
14th January 2025
31AQI
31AQI
15th January 2025
33AQI
33AQI
16th January 2025
35AQI
35AQI
17th January 2025
31AQI
31AQI
18th January 2025
41AQI
41AQI
19th January 2025
48AQI
48AQI
20th January 2025
48AQI
48AQI
21st January 2025
42AQI
42AQI
22nd January 2025
45AQI
45AQI
23rd January 2025
34AQI
34AQI
24th January 2025
35AQI
35AQI
25th January 2025
30AQI
30AQI
26th January 2025
25AQI
25AQI
27th January 2025
29AQI
29AQI
28th January 2025
28AQI
28AQI
29th January 2025
24AQI
24AQI
30th January 2025
24AQI
24AQI
31st January 2025
29AQI
29AQI
1st February 2025
31AQI
31AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
28AQI
28AQI
4th February 2025
27AQI
27AQI
5th February 2025
27AQI
27AQI
6th February 2025
39AQI
39AQI
7th February 2025
35AQI
35AQI
8th February 2025
37AQI
37AQI
9th February 2025
41AQI
41AQI
10th February 2025
42AQI
42AQI
11th February 2025
42AQI
42AQI
12th February 2025
42AQI
42AQI
13th February 2025
49AQI
49AQI
14th February 2025
52AQI
52AQI
15th February 2025
51AQI
51AQI
16th February 2025
58AQI
58AQI
17th February 2025
60AQI
60AQI
18th February 2025
61AQI
61AQI
19th February 2025
58AQI
58AQI
20th February 2025
46AQI
46AQI
21st February 2025
37AQI
37AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
31AQI
31AQI
24th February 2025
29AQI
29AQI
25th February 2025
28AQI
28AQI
26th February 2025
26AQI
26AQI
27th February 2025
26AQI
26AQI
28th February 2025
28AQI
28AQI
1st March 2025
28AQI
28AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
29AQI
29AQI
4th March 2025
32AQI
32AQI
5th March 2025
36AQI
36AQI
6th March 2025
47AQI
47AQI
7th March 2025
41AQI
41AQI
8th March 2025
42AQI
42AQI
9th March 2025
56AQI
56AQI
10th March 2025
62AQI
62AQI
11th March 2025
52AQI
52AQI
12th March 2025
38AQI
38AQI
13th March 2025
31AQI
31AQI
14th March 2025
32AQI
32AQI
15th March 2025
29AQI
29AQI
16th March 2025
27AQI
27AQI
17th March 2025
25AQI
25AQI
18th March 2025
35AQI
35AQI
19th March 2025
52AQI
52AQI
20th March 2025
55AQI
55AQI
21st March 2025
57AQI
57AQI
22nd March 2025
53AQI
53AQI
23rd March 2025
48AQI
48AQI
24th March 2025
49AQI
49AQI
25th March 2025
40AQI
40AQI
26th March 2025
30AQI
30AQI
27th March 2025
28AQI
28AQI
28th March 2025
26AQI
26AQI
29th March 2025
26AQI
26AQI
30th March 2025
37AQI
37AQI
31st March 2025
35AQI
35AQI
1st April 2025
34AQI
34AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
42AQI
42AQI
4th April 2025
52AQI
52AQI
5th April 2025
46AQI
46AQI
6th April 2025
36AQI
36AQI
7th April 2025
34AQI
34AQI
8th April 2025
39AQI
39AQI
9th April 2025
43AQI
43AQI
10th April 2025
43AQI
43AQI
11th April 2025
48AQI
48AQI
12th April 2025
48AQI
48AQI
13th April 2025
36AQI
36AQI
14th April 2025
20AQI
20AQI
15th April 2025
16AQI
16AQI
16th April 2025
14AQI
14AQI
17th April 2025
16AQI
16AQI
18th April 2025
17AQI
17AQI
19th April 2025
16AQI
16AQI
20th April 2025
22AQI
22AQI
21st April 2025
24AQI
24AQI
22nd April 2025
18AQI
18AQI
23rd April 2025
21AQI
21AQI
24th April 2025
26AQI
26AQI
25th April 2025
31AQI
31AQI
26th April 2025
37AQI
37AQI
27th April 2025
30AQI
30AQI
28th April 2025
25AQI
25AQI
29th April 2025
28AQI
28AQI
30th April 2025
38AQI
38AQI
1st May 2025
39AQI
39AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
28AQI
28AQI
4th May 2025
23AQI
23AQI
5th May 2025
18AQI
18AQI
6th May 2025
19AQI
19AQI
7th May 2025
20AQI
20AQI
8th May 2025
20AQI
20AQI
9th May 2025
21AQI
21AQI
10th May 2025
24AQI
24AQI
11th May 2025
25AQI
25AQI
12th May 2025
29AQI
29AQI
13th May 2025
28AQI
28AQI
14th May 2025
25AQI
25AQI
15th May 2025
24AQI
24AQI
16th May 2025
22AQI
22AQI
17th May 2025
22AQI
22AQI
18th May 2025
25AQI
25AQI
19th May 2025
28AQI
28AQI
20th May 2025
27AQI
27AQI
21st May 2025
25AQI
25AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
22AQI
22AQI
24th May 2025
21AQI
21AQI
25th May 2025
20AQI
20AQI
26th May 2025
23AQI
23AQI
27th May 2025
21AQI
21AQI
28th May 2025
19AQI
19AQI
29th May 2025
19AQI
19AQI
30th May 2025
19AQI
19AQI
31st May 2025
19AQI
19AQI
1st June 2025
20AQI
20AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
23AQI
23AQI
4th June 2025
25AQI
25AQI
5th June 2025
21AQI
21AQI
6th June 2025
19AQI
19AQI
7th June 2025
18AQI
18AQI
8th June 2025
23AQI
23AQI
9th June 2025
52AQI
52AQI
10th June 2025
40AQI
40AQI
11th June 2025
34AQI
34AQI
12th June 2025
36AQI
36AQI
13th June 2025
30AQI
30AQI
14th June 2025
28AQI
28AQI
15th June 2025
24AQI
24AQI
16th June 2025
24AQI
24AQI
17th June 2025
29AQI
29AQI
18th June 2025
25AQI
25AQI
19th June 2025
25AQI
25AQI
20th June 2025
29AQI
29AQI
21st June 2025
29AQI
29AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
24AQI
24AQI
24th June 2025
21AQI
21AQI
25th June 2025
18AQI
18AQI
26th June 2025
16AQI
16AQI
27th June 2025
19AQI
19AQI
28th June 2025
20AQI
20AQI
29th June 2025
20AQI
20AQI
30th June 2025
20AQI
20AQI
1st July 2025
21AQI
21AQI
2nd July 2025
18AQI
18AQI
3rd July 2025
17AQI
17AQI
4th July 2025
18AQI
18AQI
5th July 2025
17AQI
17AQI
6th July 2025
16AQI
16AQI
7th July 2025
17AQI
17AQI
8th July 2025
18AQI
18AQI
9th July 2025
19AQI
19AQI
10th July 2025
20AQI
20AQI
11th July 2025
19AQI
19AQI
12th July 2025
19AQI
19AQI
13th July 2025
23AQI
23AQI
14th July 2025
23AQI
23AQI
15th July 2025
19AQI
19AQI
16th July 2025
28AQI
28AQI
17th July 2025
21AQI
21AQI
18th July 2025
20AQI
20AQI
19th July 2025
19AQI
19AQI
20th July 2025
20AQI
20AQI
21st July 2025
17AQI
17AQI
22nd July 2025
15AQI
15AQI
23rd July 2025
43AQI
43AQI
24th July 2025
58AQI
58AQI
25th July 2025
56AQI
56AQI
26th July 2025
32AQI
32AQI
27th July 2025
25AQI
25AQI
28th July 2025
22AQI
22AQI
29th July 2025
17AQI
17AQI
30th July 2025
21AQI
21AQI
31st July 2025
21AQI
21AQI
1st August 2025
19AQI
19AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
22AQI
22AQI
4th August 2025
23AQI
23AQI
35AQI
39AQI
39AQI
31AQI
23AQI
25AQI
23AQI
21AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
31
22
6
24
7
29
1
31
29
1
29
2
4
199
17
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
August21AQI
202430AQI
16
1
1
12
30
31
31
24
5
31
20
10
31
227
16
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
April8AQI
202333AQI
3
26
5
29
5
Highest AQI recorded in
November33AQI
Lowest AQI recorded in
December33AQI
202220AQI
29
2
20
1
16
65
3
Highest AQI recorded in
February23AQI
Lowest AQI recorded in
March13AQI
202124AQI
15
9
1
16
15
25
1
28
3
29
1
31
30
1
30
29
2
30
30
1
293
32
2
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
July12AQI
202030AQI
13
14
7
12
5
28
2
30
1
24
2
28
149
17
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
33AQILeast Polluted Year Recorded
2022(Avg.)
20AQIAnglesey's annual 2025 AQI (31) shows an average percentage change of 16.2% (worsened AQI) compared to previous years: 2020 (30), 2021 (24), 2022 (20), 2023 (33), 2024 (30).
