Swansea Morriston Roadside, Morriston, Swansea, 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
Swansea Morriston Roadside, Morriston, Swansea, United Kingdom
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2024
52AQILowest AQI recorded on
2nd Aug 2025
20AQISame Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 23 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Swansea Morriston Roadside, Morriston, Swansea, United Kingdom
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
9AM4th Aug
24AQI
Avg. Lowest Time
11AM4th Aug
21AQI
Night time
Avg. Highest Time
4AM5th Aug
25AQI
Avg. Lowest Time
3AM5th Aug
22AQI
In the last 24 hours,
Swansea Morriston Roadside's AQI reached its highest point of 25 at 4 AM during the Night, while the lowest point, 21, was recorded at 11 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Swansea Morriston Roadside, Morriston, Swansea, 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 2025165 AMAQI
6th Jul 2025166 AMAQI
6th Jul 2025147 AMAQI
6th Jul 2025148 AMAQI
6th Jul 2025159 AMAQI
6th Jul 20251410 AMAQI
6th Jul 20251411 AMAQI
6th Jul 20251412 PMAQI
6th Jul 2025161 PMAQI
6th Jul 2025162 PMAQI
6th Jul 2025173 PMAQI
6th Jul 2025174 PMAQI
6th Jul 2025175 PMAQI
6th Jul 2025176 PMAQI
6th Jul 2025177 PMAQI
6th Jul 2025178 PMAQI
6th Jul 2025179 PMAQI
6th Jul 20251810 PMAQI
6th Jul 20251611 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025161 AMAQI
7th Jul 2025122 AMAQI
7th Jul 2025133 AMAQI
7th Jul 2025144 AMAQI
16°C14/17°C
7th Jul 2025155 AMAQI
7th Jul 2025186 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025198 AMAQI
7th Jul 2025179 AMAQI
7th Jul 20251610 AMAQI
7th Jul 20251711 AMAQI
7th Jul 20251712 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025172 PMAQI
7th Jul 2025173 PMAQI
7th Jul 2025174 PMAQI
7th Jul 2025165 PMAQI
7th Jul 2025166 PMAQI
7th Jul 2025167 PMAQI
7th Jul 2025168 PMAQI
7th Jul 2025169 PMAQI
7th Jul 20251710 PMAQI
7th Jul 20251711 PMAQI
8th Jul 20251812 AMAQI
8th Jul 2025161 AMAQI
8th Jul 2025192 AMAQI
8th Jul 2025203 AMAQI
8th Jul 2025184 AMAQI
15°C13/17°C
8th Jul 2025185 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251710 AMAQI
8th Jul 20251611 AMAQI
8th Jul 20251612 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025193 PMAQI
8th Jul 2025184 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025177 PMAQI
8th Jul 2025178 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251812 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025172 AMAQI
9th Jul 2025183 AMAQI
9th Jul 2025164 AMAQI
15°C11/18°C
9th Jul 2025185 AMAQI
9th Jul 2025186 AMAQI
9th Jul 2025177 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025189 AMAQI
9th Jul 20251910 AMAQI
9th Jul 20251811 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025171 PMAQI
9th Jul 2025182 PMAQI
9th Jul 2025173 PMAQI
9th Jul 2025174 PMAQI
9th Jul 2025185 PMAQI
9th Jul 2025186 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025178 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20252011 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025181 AMAQI
10th Jul 2025182 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025184 AMAQI
17°C12/20°C
10th Jul 2025185 AMAQI
10th Jul 2025176 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025189 AMAQI
10th Jul 20252110 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025191 PMAQI
10th Jul 2025202 PMAQI
10th Jul 2025193 PMAQI
10th Jul 2025194 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025186 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025208 PMAQI
10th Jul 2025189 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252811 PMAQI
11th Jul 20251912 AMAQI
11th Jul 2025181 AMAQI
11th Jul 2025162 AMAQI
11th Jul 2025193 AMAQI
11th Jul 2025224 AMAQI
19°C15/22°C
11th Jul 2025205 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025197 AMAQI
11th Jul 2025258 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20253010 AMAQI
11th Jul 20253011 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025231 PMAQI
11th Jul 2025232 PMAQI
11th Jul 2025233 PMAQI
11th Jul 2025214 PMAQI
11th Jul 2025195 PMAQI
11th Jul 2025206 PMAQI
11th Jul 2025197 PMAQI
11th Jul 2025218 PMAQI
11th Jul 2025239 PMAQI
11th Jul 20252310 PMAQI
11th Jul 20253111 PMAQI
12th Jul 20252212 AMAQI
12th Jul 2025281 AMAQI
12th Jul 2025262 AMAQI
12th Jul 2025223 AMAQI
12th Jul 2025234 AMAQI
20°C16/25°C
12th Jul 2025265 AMAQI
12th Jul 2025226 AMAQI
12th Jul 2025297 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252711 AMAQI
12th Jul 20252612 PMAQI
12th Jul 2025261 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025235 PMAQI
12th Jul 2025236 PMAQI
12th Jul 2025227 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025249 PMAQI
12th Jul 20252410 PMAQI
12th Jul 20252711 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025271 AMAQI
13th Jul 2025232 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025214 AMAQI
21°C17/26°C
13th Jul 2025225 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025219 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20251711 AMAQI
13th Jul 20252012 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025244 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025256 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025238 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252212 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025323 AMAQI
14th Jul 2025244 AMAQI
20°C16/25°C
14th Jul 2025235 AMAQI
14th Jul 2025246 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025238 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20253211 AMAQI
14th Jul 20252512 PMAQI
14th Jul 2025271 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025309 PMAQI
14th Jul 20253010 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025271 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025244 AMAQI
16°C14/17°C
15th Jul 2025275 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025247 AMAQI
15th Jul 2025268 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025291 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025269 PMAQI
15th Jul 20252510 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252412 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025262 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025274 AMAQI
15°C14/16°C
16th Jul 2025225 AMAQI
16th Jul 2025236 AMAQI
16th Jul 2025237 AMAQI
16th Jul 2025228 AMAQI
16th Jul 2025239 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252411 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025231 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025233 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252510 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252512 AMAQI
17th Jul 2025221 AMAQI
17th Jul 2025172 AMAQI
17th Jul 2025183 AMAQI
17th Jul 2025164 AMAQI
16°C13/19°C
17th Jul 2025185 AMAQI
17th Jul 2025206 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025198 AMAQI
17th Jul 2025179 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025219 PMAQI
17th Jul 20252110 PMAQI
17th Jul 20252111 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025201 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025183 AMAQI
18th Jul 2025204 AMAQI
17°C15/19°C
18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025168 AMAQI
18th Jul 2025159 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251711 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025207 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20251911 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025204 AMAQI
16°C14/18°C
19th Jul 2025205 AMAQI
19th Jul 2025226 AMAQI
19th Jul 2025207 AMAQI
19th Jul 2025168 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025218 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252110 PMAQI
19th Jul 20252111 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025194 AMAQI
16°C14/19°C
20th Jul 2025235 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025258 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025196 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025209 PMAQI
20th Jul 20252210 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025282 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025194 AMAQI
16°C13/18°C
21st Jul 2025185 AMAQI
21st Jul 2025206 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025195 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025208 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025162 AMAQI
22nd Jul 2025153 AMAQI
22nd Jul 2025154 AMAQI
15°C12/17°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025157 AMAQI
22nd Jul 2025158 AMAQI
22nd Jul 2025159 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025172 AMAQI
23rd Jul 2025173 AMAQI
23rd Jul 2025164 AMAQI
16°C13/18°C
23rd Jul 2025185 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025207 AMAQI
23rd Jul 2025198 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20251912 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025544 AMAQI
16°C12/20°C
24th Jul 2025545 AMAQI
24th Jul 2025536 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025548 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025551 AMAQI
25th Jul 2025602 AMAQI
25th Jul 2025603 AMAQI
25th Jul 2025644 AMAQI
16°C12/21°C
25th Jul 2025645 AMAQI
25th Jul 2025636 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025598 AMAQI
25th Jul 2025619 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256112 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025283 AMAQI
26th Jul 2025234 AMAQI
16°C12/19°C
26th Jul 2025265 AMAQI
26th Jul 2025306 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252712 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025287 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025252 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025264 AMAQI
17°C13/20°C
27th Jul 2025255 AMAQI
27th Jul 2025456 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025383 AMAQI
28th Jul 2025384 AMAQI
15°C12/17°C
28th Jul 2025245 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025223 AMAQI
29th Jul 2025204 AMAQI
16°C12/19°C
29th Jul 2025205 AMAQI
29th Jul 2025206 AMAQI
29th Jul 2025227 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20252110 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025212 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025217 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252210 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252112 AMAQI
30th Jul 2025201 AMAQI
30th Jul 2025192 AMAQI
30th Jul 2025183 AMAQI
30th Jul 2025184 AMAQI
17°C13/20°C
30th Jul 2025165 AMAQI
30th Jul 2025176 AMAQI
30th Jul 2025167 AMAQI
30th Jul 2025178 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251510 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251612 PMAQI
30th Jul 2025171 PMAQI
30th Jul 2025162 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025204 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025197 PMAQI
30th Jul 2025188 PMAQI
30th Jul 2025179 PMAQI
30th Jul 20251710 PMAQI
30th Jul 20251711 PMAQI
31st Jul 20251712 AMAQI
31st Jul 2025171 AMAQI
31st Jul 2025172 AMAQI
31st Jul 2025183 AMAQI
31st Jul 2025204 AMAQI
18°C14/21°C
31st Jul 2025215 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025187 AMAQI
31st Jul 2025188 AMAQI
31st Jul 2025189 AMAQI
31st Jul 20251610 AMAQI
31st Jul 20251611 AMAQI
31st Jul 20251812 PMAQI
31st Jul 2025211 PMAQI
31st Jul 2025202 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025239 PMAQI
31st Jul 20252110 PMAQI
31st Jul 20252111 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025211 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025184 AMAQI
18°C13/21°C
1st Aug 2025205 AMAQI
1st Aug 2025206 AMAQI
1st Aug 2025187 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025219 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025204 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025216 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252310 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025213 AMAQI
2nd Aug 2025184 AMAQI
15°C11/18°C
2nd Aug 2025185 AMAQI
2nd Aug 2025196 AMAQI
2nd Aug 2025177 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025189 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025194 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252111 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025263 AMAQI
3rd Aug 2025274 AMAQI
15°C10/19°C
3rd Aug 2025505 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025247 AMAQI
3rd Aug 2025218 AMAQI
3rd Aug 2025229 AMAQI
3rd Aug 20252210 AMAQI
3rd Aug 20252011 AMAQI
3rd Aug 20252212 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025202 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025237 PMAQI
3rd Aug 2025278 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252411 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025222 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025244 AMAQI
17°C13/21°C
4th Aug 2025215 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025227 AMAQI
4th Aug 2025238 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252111 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025231 PMAQI
4th Aug 2025232 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025235 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025249 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252312 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025254 AMAQI
17°C13/20°C
5th Aug 2025255 AMAQI
5 AM5th Aug 2025226 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025279 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
24AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
24AQI
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. 24), while the lowest AQI was between 5 AM to 9 PM (Avg. 24).
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
Swansea Morriston Roadside, Morriston, Swansea, United Kingdom
2025
87%
187
13%
29
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
187 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 217 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
Swansea Morriston Roadside, Morriston, Swansea, 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
42AQI
42AQI
3rd January 2025
38AQI
38AQI
4th January 2025
34AQI
34AQI
5th January 2025
25AQI
25AQI
6th January 2025
24AQI
24AQI
7th January 2025
23AQI
23AQI
8th January 2025
31AQI
31AQI
9th January 2025
39AQI
39AQI
10th January 2025
36AQI
36AQI
11th January 2025
46AQI
46AQI
12th January 2025
54AQI
54AQI
13th January 2025
34AQI
34AQI
14th January 2025
32AQI
32AQI
15th January 2025
34AQI
34AQI
16th January 2025
44AQI
44AQI
17th January 2025
41AQI
41AQI
18th January 2025
50AQI
50AQI
19th January 2025
60AQI
60AQI
20th January 2025
56AQI
56AQI
21st January 2025
51AQI
51AQI
22nd January 2025
56AQI
56AQI
23rd January 2025
38AQI
38AQI
24th January 2025
45AQI
45AQI
25th January 2025
38AQI
38AQI
26th January 2025
38AQI
38AQI
27th January 2025
40AQI
40AQI
28th January 2025
27AQI
27AQI
29th January 2025
27AQI
27AQI
30th January 2025
32AQI
32AQI
31st January 2025
36AQI
36AQI
1st February 2025
38AQI
38AQI
2nd February 2025
27AQI
27AQI
3rd February 2025
29AQI
29AQI
4th February 2025
27AQI
27AQI
5th February 2025
31AQI
31AQI
6th February 2025
42AQI
42AQI
7th February 2025
31AQI
31AQI
8th February 2025
42AQI
42AQI
9th February 2025
51AQI
51AQI
10th February 2025
48AQI
48AQI
11th February 2025
49AQI
49AQI
12th February 2025
45AQI
45AQI
13th February 2025
54AQI
54AQI
14th February 2025
57AQI
57AQI
15th February 2025
63AQI
63AQI
16th February 2025
60AQI
60AQI
17th February 2025
59AQI
59AQI
18th February 2025
62AQI
62AQI
19th February 2025
64AQI
64AQI
20th February 2025
32AQI
32AQI
21st February 2025
36AQI
36AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
31AQI
31AQI
24th February 2025
33AQI
33AQI
25th February 2025
32AQI
32AQI
26th February 2025
28AQI
28AQI
27th February 2025
27AQI
27AQI
28th February 2025
33AQI
33AQI
1st March 2025
35AQI
35AQI
2nd March 2025
36AQI
36AQI
3rd March 2025
44AQI
44AQI
4th March 2025
47AQI
47AQI
5th March 2025
59AQI
59AQI
6th March 2025
68AQI
68AQI
7th March 2025
50AQI
50AQI
8th March 2025
48AQI
48AQI
9th March 2025
59AQI
59AQI
10th March 2025
78AQI
78AQI
11th March 2025
46AQI
46AQI
12th March 2025
27AQI
27AQI
13th March 2025
23AQI
23AQI
14th March 2025
36AQI
36AQI
15th March 2025
30AQI
30AQI
16th March 2025
29AQI
29AQI
17th March 2025
25AQI
25AQI
18th March 2025
46AQI
46AQI
19th March 2025
63AQI
63AQI
20th March 2025
55AQI
55AQI
21st March 2025
53AQI
53AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
45AQI
45AQI
24th March 2025
74AQI
74AQI
25th March 2025
42AQI
42AQI
26th March 2025
28AQI
28AQI
27th March 2025
22AQI
22AQI
28th March 2025
22AQI
22AQI
29th March 2025
23AQI
23AQI
30th March 2025
34AQI
34AQI
31st March 2025
34AQI
34AQI
1st April 2025
36AQI
36AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
48AQI
48AQI
4th April 2025
54AQI
54AQI
5th April 2025
38AQI
38AQI
6th April 2025
29AQI
29AQI
7th April 2025
34AQI
34AQI
8th April 2025
45AQI
45AQI
9th April 2025
50AQI
50AQI
10th April 2025
52AQI
52AQI
11th April 2025
59AQI
59AQI
12th April 2025
54AQI
54AQI
13th April 2025
31AQI
31AQI
14th April 2025
19AQI
19AQI
15th April 2025
21AQI
21AQI
16th April 2025
18AQI
18AQI
17th April 2025
21AQI
21AQI
18th April 2025
20AQI
20AQI
19th April 2025
29AQI
29AQI
20th April 2025
31AQI
31AQI
21st April 2025
26AQI
26AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
20AQI
20AQI
24th April 2025
40AQI
40AQI
25th April 2025
49AQI
49AQI
26th April 2025
46AQI
46AQI
27th April 2025
27AQI
27AQI
28th April 2025
27AQI
27AQI
29th April 2025
45AQI
45AQI
30th April 2025
55AQI
55AQI
1st May 2025
56AQI
56AQI
2nd May 2025
43AQI
43AQI
3rd May 2025
24AQI
24AQI
4th May 2025
17AQI
17AQI
5th May 2025
17AQI
17AQI
6th May 2025
24AQI
24AQI
7th May 2025
28AQI
28AQI
8th May 2025
23AQI
23AQI
9th May 2025
28AQI
28AQI
10th May 2025
33AQI
33AQI
11th May 2025
32AQI
32AQI
12th May 2025
37AQI
37AQI
13th May 2025
31AQI
31AQI
14th May 2025
33AQI
33AQI
15th May 2025
34AQI
34AQI
16th May 2025
35AQI
35AQI
17th May 2025
39AQI
39AQI
18th May 2025
40AQI
40AQI
19th May 2025
36AQI
36AQI
20th May 2025
35AQI
35AQI
21st May 2025
31AQI
31AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
35AQI
35AQI
24th May 2025
24AQI
24AQI
25th May 2025
19AQI
19AQI
26th May 2025
21AQI
21AQI
27th May 2025
20AQI
20AQI
28th May 2025
22AQI
22AQI
29th May 2025
19AQI
19AQI
30th May 2025
20AQI
20AQI
31st May 2025
18AQI
18AQI
1st June 2025
23AQI
23AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
20AQI
20AQI
4th June 2025
22AQI
22AQI
5th June 2025
17AQI
17AQI
6th June 2025
16AQI
16AQI
7th June 2025
15AQI
15AQI
8th June 2025
27AQI
27AQI
9th June 2025
56AQI
56AQI
10th June 2025
34AQI
34AQI
11th June 2025
29AQI
29AQI
12th June 2025
39AQI
39AQI
13th June 2025
35AQI
35AQI
14th June 2025
27AQI
27AQI
15th June 2025
25AQI
25AQI
16th June 2025
24AQI
24AQI
17th June 2025
27AQI
27AQI
18th June 2025
28AQI
28AQI
19th June 2025
32AQI
32AQI
20th June 2025
41AQI
41AQI
21st June 2025
40AQI
40AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
24AQI
24AQI
24th June 2025
21AQI
21AQI
25th June 2025
16AQI
16AQI
26th June 2025
16AQI
16AQI
27th June 2025
18AQI
18AQI
28th June 2025
17AQI
17AQI
29th June 2025
18AQI
18AQI
30th June 2025
21AQI
21AQI
1st July 2025
23AQI
23AQI
2nd July 2025
18AQI
18AQI
3rd July 2025
17AQI
17AQI
4th July 2025
19AQI
19AQI
5th July 2025
18AQI
18AQI
6th July 2025
16AQI
16AQI
7th July 2025
16AQI
16AQI
8th July 2025
18AQI
18AQI
9th July 2025
18AQI
18AQI
10th July 2025
19AQI
19AQI
11th July 2025
22AQI
22AQI
12th July 2025
25AQI
25AQI
13th July 2025
23AQI
23AQI
14th July 2025
28AQI
28AQI
15th July 2025
25AQI
25AQI
16th July 2025
24AQI
24AQI
17th July 2025
20AQI
20AQI
18th July 2025
19AQI
19AQI
19th July 2025
22AQI
22AQI
20th July 2025
20AQI
20AQI
21st July 2025
20AQI
20AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
25AQI
25AQI
24th July 2025
47AQI
47AQI
25th July 2025
58AQI
58AQI
26th July 2025
30AQI
30AQI
27th July 2025
28AQI
28AQI
28th July 2025
28AQI
28AQI
29th July 2025
21AQI
21AQI
30th July 2025
18AQI
18AQI
31st July 2025
19AQI
19AQI
1st August 2025
21AQI
21AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
26AQI
26AQI
4th August 2025
23AQI
23AQI
39AQI
42AQI
43AQI
36AQI
29AQI
26AQI
23AQI
23AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
26
5
20
8
23
8
25
5
30
1
29
1
30
1
4
187
29
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
August23AQI
202432AQI
14
1
2
4
2
14
1
28
2
31
30
1
14
14
30
1
25
5
31
225
25
Highest AQI recorded in
September50AQI
Lowest AQI recorded in
April17AQI
202331AQI
1
2
3
1
1
1
1
1
3
29
1
42
2
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
February21AQI
202245AQI
1
1
2
1
1
1
1
2
1
1
2
8
6
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
July25AQI
202125AQI
1
1
5
2
2
1
1
13
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
March16AQI
202027AQI
5
3
4
1
4
4
2
1
1
2
1
26
2
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
November0AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
45AQILeast Polluted Year Recorded
2021(Avg.)
25AQISwansea Morriston Roadside's annual 2025 AQI (34) shows an average percentage change of 9.8% (worsened AQI) compared to previous years: 2020 (27), 2021 (25), 2022 (45), 2023 (31), 2024 (32).
