Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Hwlffordd, Pembrokeshire, 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

Hwlffordd, Pembrokeshire, United Kingdom

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Aug 2024
51AQI
Lowest AQI recorded on
22nd Aug 2021
16AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Hwlffordd, Pembrokeshire, United Kingdom

AQI
Day
Night
.

5 AM2nd Aug 2025

9 PM

4 AM3rd Aug 2025

Day time
Avg. Highest Time
9PM2nd Aug

23AQI

Avg. Lowest Time
11AM2nd Aug

17AQI

Night time
Avg. Highest Time
10PM2nd Aug

22AQI

Avg. Lowest Time
2AM3rd Aug

19AQI

In the last 24 hours,

Hwlffordd's AQI reached its highest point of 23 at 9 PM during the Day, while the lowest point, 17, was recorded at 11 AM during the Day between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Hwlffordd, Pembrokeshire, United Kingdom

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 2025225 AMAQI
4th Jul 2025226 AMAQI
4th Jul 2025227 AMAQI
4th Jul 2025238 AMAQI
4th Jul 2025229 AMAQI
4th Jul 20252010 AMAQI
4th Jul 20251911 AMAQI
4th Jul 20251812 PMAQI
4th Jul 2025191 PMAQI
4th Jul 2025192 PMAQI
4th Jul 2025193 PMAQI
4th Jul 2025194 PMAQI
4th Jul 2025195 PMAQI
4th Jul 2025196 PMAQI
4th Jul 2025197 PMAQI
4th Jul 2025208 PMAQI
4th Jul 2025199 PMAQI
4th Jul 20251910 PMAQI
4th Jul 20251911 PMAQI
5th Jul 20251912 AMAQI
5th Jul 2025241 AMAQI
5th Jul 2025232 AMAQI
5th Jul 2025173 AMAQI
5th Jul 2025184 AMAQI

16°C14/18°C

5th Jul 2025165 AMAQI
5th Jul 2025166 AMAQI
5th Jul 2025157 AMAQI
5th Jul 2025158 AMAQI
5th Jul 2025159 AMAQI
5th Jul 20251410 AMAQI
5th Jul 20251311 AMAQI
5th Jul 20251612 PMAQI
5th Jul 2025181 PMAQI
5th Jul 2025172 PMAQI
5th Jul 2025183 PMAQI
5th Jul 2025184 PMAQI
5th Jul 2025175 PMAQI
5th Jul 2025176 PMAQI
5th Jul 2025177 PMAQI
5th Jul 2025188 PMAQI
5th Jul 2025189 PMAQI
5th Jul 20251810 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251812 AMAQI
6th Jul 2025171 AMAQI
6th Jul 2025162 AMAQI
6th Jul 2025163 AMAQI
6th Jul 2025164 AMAQI

16°C15/17°C

6th Jul 2025185 AMAQI
6th Jul 2025166 AMAQI
6th Jul 2025167 AMAQI
6th Jul 2025208 AMAQI
6th Jul 2025179 AMAQI
6th Jul 20251410 AMAQI
6th Jul 20251411 AMAQI
6th Jul 20251312 PMAQI
6th Jul 2025151 PMAQI
6th Jul 2025162 PMAQI
6th Jul 2025163 PMAQI
6th Jul 2025164 PMAQI
6th Jul 2025175 PMAQI
6th Jul 2025166 PMAQI
6th Jul 2025177 PMAQI
6th Jul 2025168 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251710 PMAQI
6th Jul 20251711 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025161 AMAQI
7th Jul 2025142 AMAQI
7th Jul 2025143 AMAQI
7th Jul 2025144 AMAQI

16°C15/17°C

7th Jul 2025175 AMAQI
7th Jul 2025166 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025189 AMAQI
7th Jul 20251910 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025172 PMAQI
7th Jul 2025173 PMAQI
7th Jul 2025174 PMAQI
7th Jul 2025175 PMAQI
7th Jul 2025176 PMAQI
7th Jul 2025167 PMAQI
7th Jul 2025178 PMAQI
7th Jul 2025179 PMAQI
7th Jul 20251710 PMAQI
7th Jul 20251711 PMAQI
8th Jul 20251812 AMAQI
8th Jul 2025181 AMAQI
8th Jul 2025182 AMAQI
8th Jul 2025193 AMAQI
8th Jul 2025174 AMAQI

15°C13/17°C

8th Jul 2025175 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025199 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251911 AMAQI
8th Jul 20251812 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025174 PMAQI
8th Jul 2025175 PMAQI
8th Jul 2025176 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025178 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251812 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025172 AMAQI
9th Jul 2025173 AMAQI
9th Jul 2025184 AMAQI

15°C12/17°C

9th Jul 2025205 AMAQI
9th Jul 2025206 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025168 AMAQI
9th Jul 2025179 AMAQI
9th Jul 20251910 AMAQI
9th Jul 20252011 AMAQI
9th Jul 20252012 PMAQI
9th Jul 2025221 PMAQI
9th Jul 2025232 PMAQI
9th Jul 2025183 PMAQI
9th Jul 2025174 PMAQI
9th Jul 2025175 PMAQI
9th Jul 2025186 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025188 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025191 AMAQI
10th Jul 2025182 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025204 AMAQI

17°C14/20°C

10th Jul 2025225 AMAQI
10th Jul 2025216 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025169 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20252211 AMAQI
10th Jul 20252112 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025192 PMAQI
10th Jul 2025183 PMAQI
10th Jul 2025184 PMAQI
10th Jul 2025185 PMAQI
10th Jul 2025176 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025208 PMAQI
10th Jul 2025199 PMAQI
10th Jul 20251910 PMAQI
10th Jul 20252011 PMAQI
11th Jul 20252012 AMAQI
11th Jul 2025201 AMAQI
11th Jul 2025192 AMAQI
11th Jul 2025183 AMAQI
11th Jul 2025184 AMAQI

18°C14/21°C

11th Jul 2025205 AMAQI
11th Jul 2025206 AMAQI
11th Jul 2025217 AMAQI
11th Jul 2025248 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025191 PMAQI
11th Jul 2025182 PMAQI
11th Jul 2025183 PMAQI
11th Jul 2025194 PMAQI
11th Jul 2025185 PMAQI
11th Jul 2025196 PMAQI
11th Jul 2025207 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025219 PMAQI
11th Jul 20252110 PMAQI
11th Jul 20252111 PMAQI
12th Jul 20252112 AMAQI
12th Jul 2025201 AMAQI
12th Jul 2025172 AMAQI
12th Jul 2025183 AMAQI
12th Jul 2025164 AMAQI

20°C16/23°C

12th Jul 2025205 AMAQI
12th Jul 2025176 AMAQI
12th Jul 2025187 AMAQI
12th Jul 2025188 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252210 AMAQI
12th Jul 20252011 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025201 PMAQI
12th Jul 2025212 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025204 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025217 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025209 PMAQI
12th Jul 20252110 PMAQI
12th Jul 20252111 PMAQI
13th Jul 20252012 AMAQI
13th Jul 2025221 AMAQI
13th Jul 2025202 AMAQI
13th Jul 2025213 AMAQI
13th Jul 2025224 AMAQI

21°C18/24°C

13th Jul 2025225 AMAQI
13th Jul 2025226 AMAQI
13th Jul 2025217 AMAQI
13th Jul 2025198 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252510 AMAQI
13th Jul 20252411 AMAQI
13th Jul 20252312 PMAQI
13th Jul 2025251 PMAQI
13th Jul 2025262 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025244 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252312 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025462 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025334 AMAQI

19°C16/23°C

14th Jul 2025235 AMAQI
14th Jul 2025216 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025238 AMAQI
14th Jul 2025229 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025238 PMAQI
14th Jul 2025259 PMAQI
14th Jul 20252610 PMAQI
14th Jul 20252511 PMAQI
15th Jul 20252512 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025204 AMAQI

16°C15/18°C

15th Jul 2025215 AMAQI
15th Jul 2025226 AMAQI
15th Jul 2025247 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252311 PMAQI
16th Jul 20252312 AMAQI
16th Jul 2025251 AMAQI
16th Jul 2025262 AMAQI
16th Jul 2025243 AMAQI
16th Jul 2025234 AMAQI

16°C15/17°C

16th Jul 2025225 AMAQI
16th Jul 2025206 AMAQI
16th Jul 2025207 AMAQI
16th Jul 2025248 AMAQI
16th Jul 2025209 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252111 AMAQI
16th Jul 20252012 PMAQI
16th Jul 2025201 PMAQI
16th Jul 2025212 PMAQI
16th Jul 2025203 PMAQI
16th Jul 2025204 PMAQI
16th Jul 2025205 PMAQI
16th Jul 2025206 PMAQI
16th Jul 2025217 PMAQI
16th Jul 2025208 PMAQI
16th Jul 2025219 PMAQI
16th Jul 20252210 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252212 AMAQI
17th Jul 2025161 AMAQI
17th Jul 2025162 AMAQI
17th Jul 2025153 AMAQI
17th Jul 2025144 AMAQI

16°C14/18°C

17th Jul 2025185 AMAQI
17th Jul 2025166 AMAQI
17th Jul 2025177 AMAQI
17th Jul 2025168 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20251512 PMAQI
17th Jul 2025161 PMAQI
17th Jul 2025172 PMAQI
17th Jul 2025183 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025185 PMAQI
17th Jul 2025186 PMAQI
17th Jul 2025187 PMAQI
17th Jul 2025188 PMAQI
17th Jul 2025179 PMAQI
17th Jul 20251710 PMAQI
17th Jul 20251711 PMAQI
18th Jul 20251812 AMAQI
18th Jul 2025181 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025174 AMAQI

18°C16/20°C

18th Jul 2025185 AMAQI
18th Jul 2025166 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025189 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025171 PMAQI
18th Jul 2025172 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025165 PMAQI
18th Jul 2025166 PMAQI
18th Jul 2025167 PMAQI
18th Jul 2025178 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20251811 PMAQI
19th Jul 20251812 AMAQI
19th Jul 2025161 AMAQI
19th Jul 2025162 AMAQI
19th Jul 2025173 AMAQI
19th Jul 2025294 AMAQI

17°C15/19°C

19th Jul 2025295 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251511 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025219 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252111 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025182 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025204 AMAQI

16°C14/18°C

20th Jul 2025215 AMAQI
20th Jul 2025206 AMAQI
20th Jul 2025177 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20251510 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251512 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025166 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025189 PMAQI
20th Jul 20251910 PMAQI
20th Jul 20251911 PMAQI
21st Jul 20251912 AMAQI
21st Jul 2025191 AMAQI
21st Jul 2025192 AMAQI
21st Jul 2025173 AMAQI
21st Jul 2025174 AMAQI

16°C14/18°C

21st Jul 2025165 AMAQI
21st Jul 2025186 AMAQI
21st Jul 2025167 AMAQI
21st Jul 2025168 AMAQI
21st Jul 2025169 AMAQI
21st Jul 20251510 AMAQI
21st Jul 20251411 AMAQI
21st Jul 20251412 PMAQI
21st Jul 2025151 PMAQI
21st Jul 2025162 PMAQI
21st Jul 2025153 PMAQI
21st Jul 2025154 PMAQI
21st Jul 2025165 PMAQI
21st Jul 2025166 PMAQI
21st Jul 2025167 PMAQI
21st Jul 2025178 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251810 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025171 AMAQI
22nd Jul 2025162 AMAQI
22nd Jul 2025173 AMAQI
22nd Jul 2025344 AMAQI

15°C13/17°C

22nd Jul 2025175 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025148 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251412 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025154 PMAQI
22nd Jul 2025145 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025157 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251710 PMAQI
22nd Jul 20251711 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025142 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025154 AMAQI

16°C15/18°C

23rd Jul 2025155 AMAQI
23rd Jul 2025146 AMAQI
23rd Jul 2025157 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025413 AMAQI
24th Jul 2025524 AMAQI

16°C14/18°C

24th Jul 2025555 AMAQI
24th Jul 2025556 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025569 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025533 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025551 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025613 AMAQI
25th Jul 2025614 AMAQI

16°C13/19°C

25th Jul 2025635 AMAQI
25th Jul 2025586 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025578 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025331 AMAQI
26th Jul 2025272 AMAQI
26th Jul 2025273 AMAQI
26th Jul 2025274 AMAQI

16°C13/19°C

26th Jul 2025255 AMAQI
26th Jul 2025246 AMAQI
26th Jul 2025237 AMAQI
26th Jul 2025188 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025251 AMAQI
27th Jul 2025272 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025294 AMAQI

17°C15/18°C

27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025251 AMAQI
28th Jul 2025232 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025254 AMAQI

16°C14/17°C

28th Jul 2025245 AMAQI
28th Jul 2025246 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252510 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025201 AMAQI
29th Jul 2025172 AMAQI
29th Jul 2025173 AMAQI
29th Jul 2025194 AMAQI

17°C15/18°C

29th Jul 2025205 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025167 AMAQI
29th Jul 2025158 AMAQI
29th Jul 2025149 AMAQI
29th Jul 20251510 AMAQI
29th Jul 20251511 AMAQI
29th Jul 20251612 PMAQI
29th Jul 2025161 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 2025172 AMAQI
30th Jul 2025163 AMAQI
30th Jul 2025164 AMAQI

18°C16/20°C

30th Jul 2025185 AMAQI
30th Jul 2025196 AMAQI
30th Jul 2025177 AMAQI
30th Jul 2025168 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20251610 AMAQI
30th Jul 20251711 AMAQI
30th Jul 20251512 PMAQI
30th Jul 2025161 PMAQI
30th Jul 2025162 PMAQI
30th Jul 2025163 PMAQI
30th Jul 2025164 PMAQI
30th Jul 2025155 PMAQI
30th Jul 2025166 PMAQI
30th Jul 2025167 PMAQI
30th Jul 2025168 PMAQI
30th Jul 2025159 PMAQI
30th Jul 20251510 PMAQI
30th Jul 20251511 PMAQI
31st Jul 20251512 AMAQI
31st Jul 2025151 AMAQI
31st Jul 2025152 AMAQI
31st Jul 2025143 AMAQI
31st Jul 2025134 AMAQI

18°C16/19°C

31st Jul 2025165 AMAQI
31st Jul 2025176 AMAQI
31st Jul 2025177 AMAQI
31st Jul 2025158 AMAQI
31st Jul 2025159 AMAQI
31st Jul 20251510 AMAQI
31st Jul 20251411 AMAQI
31st Jul 20251612 PMAQI
31st Jul 2025171 PMAQI
31st Jul 2025182 PMAQI
31st Jul 2025173 PMAQI
31st Jul 2025184 PMAQI
31st Jul 2025175 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025197 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20252010 PMAQI
31st Jul 20251911 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025191 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025173 AMAQI
1st Aug 2025184 AMAQI

17°C14/19°C

1st Aug 2025195 AMAQI
1st Aug 2025186 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025219 AMAQI
1st Aug 20252010 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20252012 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025222 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025194 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252111 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025191 AMAQI
2nd Aug 2025192 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025184 AMAQI

16°C13/18°C

2nd Aug 2025205 AMAQI
2nd Aug 2025216 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025209 AMAQI
2nd Aug 20251910 AMAQI
2nd Aug 20251711 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025213 PMAQI
2nd Aug 2025214 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025239 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025192 AMAQI
3rd Aug 2025203 AMAQI
3rd Aug 2025224 AMAQI

16°C13/18°C

3rd Aug 2025205 AMAQI
5 AM
3rd Aug 2025246 AMAQI
3rd Aug 2025207 AMAQI
1 PM
9 PM
1 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 9 PM

22AQI

17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM

22AQI

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. 22), while the lowest AQI was between 5 AM to 9 PM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 11 PM

22AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM

22AQI

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. 22), while the lowest AQI was between 12 AM to 11 PM (Avg. 22).

2025 Days Vs Air Quality

Hwlffordd, Pembrokeshire, United Kingdom

2025

87%

186

13%

27

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
186 Days
Moderate
27 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% 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

Hwlffordd, Pembrokeshire, 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
29AQI
2nd January 2025
23AQI
3rd January 2025
25AQI
4th January 2025
26AQI
5th January 2025
27AQI
6th January 2025
25AQI
7th January 2025
23AQI
8th January 2025
23AQI
9th January 2025
26AQI
10th January 2025
25AQI
11th January 2025
39AQI
12th January 2025
42AQI
13th January 2025
34AQI
14th January 2025
34AQI
15th January 2025
33AQI
16th January 2025
38AQI
17th January 2025
43AQI
18th January 2025
47AQI
19th January 2025
62AQI
20th January 2025
57AQI
21st January 2025
51AQI
22nd January 2025
59AQI
23rd January 2025
32AQI
24th January 2025
41AQI
25th January 2025
28AQI
26th January 2025
33AQI
27th January 2025
40AQI
28th January 2025
28AQI
29th January 2025
28AQI
30th January 2025
28AQI
31st January 2025
38AQI
1st February 2025
30AQI
2nd February 2025
27AQI
3rd February 2025
30AQI
4th February 2025
31AQI
5th February 2025
28AQI
6th February 2025
28AQI
7th February 2025
30AQI
8th February 2025
42AQI
9th February 2025
52AQI
10th February 2025
47AQI
11th February 2025
45AQI
12th February 2025
50AQI
13th February 2025
58AQI
14th February 2025
61AQI
15th February 2025
58AQI
16th February 2025
63AQI
17th February 2025
63AQI
18th February 2025
66AQI
19th February 2025
57AQI
20th February 2025
32AQI
21st February 2025
38AQI
22nd February 2025
36AQI
23rd February 2025
32AQI
24th February 2025
37AQI
25th February 2025
31AQI
26th February 2025
29AQI
27th February 2025
28AQI
28th February 2025
28AQI
1st March 2025
31AQI
2nd March 2025
35AQI
3rd March 2025
35AQI
4th March 2025
40AQI
5th March 2025
53AQI
6th March 2025
62AQI
7th March 2025
37AQI
8th March 2025
45AQI
9th March 2025
59AQI
10th March 2025
77AQI
11th March 2025
51AQI
12th March 2025
28AQI
13th March 2025
25AQI
14th March 2025
27AQI
15th March 2025
25AQI
16th March 2025
28AQI
17th March 2025
23AQI
18th March 2025
49AQI
19th March 2025
61AQI
20th March 2025
52AQI
21st March 2025
56AQI
22nd March 2025
41AQI
23rd March 2025
42AQI
24th March 2025
61AQI
25th March 2025
32AQI
26th March 2025
29AQI
27th March 2025
29AQI
28th March 2025
24AQI
29th March 2025
24AQI
30th March 2025
38AQI
31st March 2025
36AQI
1st April 2025
38AQI
2nd April 2025
35AQI
3rd April 2025
45AQI
4th April 2025
52AQI
5th April 2025
38AQI
6th April 2025
25AQI
7th April 2025
33AQI
8th April 2025
44AQI
9th April 2025
61AQI
10th April 2025
51AQI
11th April 2025
58AQI
12th April 2025
50AQI
13th April 2025
23AQI
14th April 2025
18AQI
15th April 2025
13AQI
16th April 2025
13AQI
17th April 2025
16AQI
18th April 2025
16AQI
19th April 2025
19AQI
20th April 2025
27AQI
21st April 2025
22AQI
22nd April 2025
20AQI
23rd April 2025
15AQI
24th April 2025
25AQI
25th April 2025
47AQI
26th April 2025
35AQI
27th April 2025
24AQI
28th April 2025
28AQI
29th April 2025
44AQI
30th April 2025
47AQI
1st May 2025
40AQI
2nd May 2025
33AQI
3rd May 2025
24AQI
4th May 2025
22AQI
5th May 2025
25AQI
6th May 2025
28AQI
7th May 2025
33AQI
8th May 2025
28AQI
9th May 2025
33AQI
10th May 2025
31AQI
11th May 2025
25AQI
12th May 2025
27AQI
13th May 2025
23AQI
14th May 2025
20AQI
15th May 2025
26AQI
16th May 2025
28AQI
17th May 2025
34AQI
18th May 2025
36AQI
19th May 2025
34AQI
20th May 2025
37AQI
21st May 2025
30AQI
22nd May 2025
31AQI
23rd May 2025
29AQI
24th May 2025
23AQI
25th May 2025
24AQI
26th May 2025
28AQI
27th May 2025
30AQI
28th May 2025
23AQI
29th May 2025
23AQI
30th May 2025
19AQI
31st May 2025
20AQI
1st June 2025
25AQI
2nd June 2025
22AQI
3rd June 2025
23AQI
4th June 2025
26AQI
5th June 2025
17AQI
6th June 2025
17AQI
7th June 2025
16AQI
8th June 2025
29AQI
9th June 2025
61AQI
10th June 2025
34AQI
11th June 2025
32AQI
12th June 2025
37AQI
13th June 2025
33AQI
14th June 2025
24AQI
15th June 2025
25AQI
16th June 2025
27AQI
17th June 2025
30AQI
18th June 2025
30AQI
19th June 2025
33AQI
20th June 2025
40AQI
21st June 2025
38AQI
22nd June 2025
37AQI
23rd June 2025
22AQI
24th June 2025
21AQI
25th June 2025
17AQI
26th June 2025
16AQI
27th June 2025
19AQI
28th June 2025
17AQI
29th June 2025
18AQI
30th June 2025
22AQI
1st July 2025
22AQI
2nd July 2025
19AQI
3rd July 2025
17AQI
4th July 2025
20AQI
5th July 2025
17AQI
6th July 2025
16AQI
7th July 2025
17AQI
8th July 2025
18AQI
9th July 2025
18AQI
10th July 2025
19AQI
11th July 2025
20AQI
12th July 2025
20AQI
13th July 2025
23AQI
14th July 2025
26AQI
15th July 2025
23AQI
16th July 2025
22AQI
17th July 2025
17AQI
18th July 2025
18AQI
19th July 2025
20AQI
20th July 2025
19AQI
21st July 2025
17AQI
22nd July 2025
17AQI
23rd July 2025
28AQI
24th July 2025
50AQI
25th July 2025
55AQI
26th July 2025
25AQI
27th July 2025
28AQI
28th July 2025
22AQI
29th July 2025
17AQI
30th July 2025
16AQI
31st July 2025
17AQI
1st August 2025
20AQI

35AQI

41AQI

40AQI

33AQI

28AQI

27AQI

22AQI

20AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202532AQI

27
4
20
8
22
9
26
4
31
29
1
30
1
1
186
27

Highest AQI recorded in

February

41AQI

Lowest AQI recorded in

August

20AQI

202430AQI

30
1
27
28
3
29
1
29
2
29
1
31
30
1
26
4
31
25
5
31
346
18

Highest AQI recorded in

March

36AQI

Lowest AQI recorded in

July

21AQI

202331AQI

28
3
25
3
30
1
28
2
31
25
5
31
31
27
2
31
28
1
30
345
17

Highest AQI recorded in

April

36AQI

Lowest AQI recorded in

August

24AQI

202233AQI

26
5
21
1
19
12
26
4
31
30
23
1
1
28
31
30
29
2
295
25

Highest AQI recorded in

March

48AQI

Lowest AQI recorded in

July

25AQI

202131AQI

28
2
25
3
25
6
26
4
31
30
29
2
31
27
3
31
29
28
3
340
23

Highest AQI recorded in

March

44AQI

Lowest AQI recorded in

August

23AQI

202029AQI

9
4
15
6
18
30
31
24
2
30
31
27
3
31
246
15

Highest AQI recorded in

March

44AQI

Lowest AQI recorded in

July

18AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
33AQI
Least Polluted Year Recorded
2020(Avg.)
29AQI

Hwlffordd's annual 2025 AQI (32) shows an average percentage change of 5.1% (worsened AQI) compared to previous years: 2020 (29), 2021 (31), 2022 (33), 2023 (31), 2024 (30).