Chepstow A48, Chepstow, Monmouthshire, 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
Chepstow A48, Chepstow, Monmouthshire, United Kingdom
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2021
51AQILowest AQI recorded on
2nd Aug 2023
21AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Chepstow A48, Chepstow, Monmouthshire, United Kingdom
AQI
Day
Night
.
5 AM6th Aug 2025
9 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
10AM6th Aug
32AQI
Avg. Lowest Time
2PM6th Aug
26AQI
Night time
Avg. Highest Time
2AM7th Aug
30AQI
Avg. Lowest Time
9PM6th Aug
26AQI
In the last 24 hours,
Chepstow A48's AQI reached its highest point of 32 at 10 AM during the Day, while the lowest point, 26, was recorded at 9 PM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chepstow A48, Chepstow, Monmouthshire, United Kingdom
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025185 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025207 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025209 AMAQI
8th Jul 20252110 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20251812 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025194 PMAQI
8th Jul 2025195 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025188 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20252010 PMAQI
8th Jul 20252111 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025191 AMAQI
9th Jul 2025162 AMAQI
9th Jul 2025153 AMAQI
9th Jul 2025154 AMAQI
16°C11/22°C
9th Jul 2025185 AMAQI
9th Jul 2025176 AMAQI
9th Jul 2025177 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20251610 AMAQI
9th Jul 20251711 AMAQI
9th Jul 20251612 PMAQI
9th Jul 2025161 PMAQI
9th Jul 2025162 PMAQI
9th Jul 2025163 PMAQI
9th Jul 2025164 PMAQI
9th Jul 2025195 PMAQI
9th Jul 2025206 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025188 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20251912 AMAQI
10th Jul 2025201 AMAQI
10th Jul 2025222 AMAQI
10th Jul 2025193 AMAQI
10th Jul 2025194 AMAQI
19°C12/25°C
10th Jul 2025195 AMAQI
10th Jul 2025306 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025179 AMAQI
10th Jul 20251610 AMAQI
10th Jul 20251511 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025221 PMAQI
10th Jul 2025202 PMAQI
10th Jul 2025203 PMAQI
10th Jul 2025244 PMAQI
10th Jul 2025225 PMAQI
10th Jul 2025206 PMAQI
10th Jul 2025197 PMAQI
10th Jul 2025208 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252011 PMAQI
11th Jul 20252112 AMAQI
11th Jul 2025161 AMAQI
11th Jul 2025162 AMAQI
11th Jul 2025203 AMAQI
11th Jul 2025184 AMAQI
22°C15/27°C
11th Jul 2025205 AMAQI
11th Jul 2025236 AMAQI
11th Jul 2025277 AMAQI
11th Jul 2025378 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20252610 AMAQI
11th Jul 20252611 AMAQI
11th Jul 20252312 PMAQI
11th Jul 2025211 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025204 PMAQI
11th Jul 2025195 PMAQI
11th Jul 2025206 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025228 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252210 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252312 AMAQI
12th Jul 2025241 AMAQI
12th Jul 2025242 AMAQI
12th Jul 2025283 AMAQI
12th Jul 2025224 AMAQI
24°C16/31°C
12th Jul 2025215 AMAQI
12th Jul 2025196 AMAQI
12th Jul 2025207 AMAQI
12th Jul 2025208 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025235 PMAQI
12th Jul 2025216 PMAQI
12th Jul 2025207 PMAQI
12th Jul 2025208 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025243 AMAQI
13th Jul 2025244 AMAQI
24°C17/32°C
13th Jul 2025265 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025227 AMAQI
13th Jul 2025158 AMAQI
13th Jul 2025159 AMAQI
13th Jul 20251610 AMAQI
13th Jul 20251611 AMAQI
13th Jul 20251812 PMAQI
13th Jul 2025231 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025213 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025205 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025208 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252512 AMAQI
14th Jul 2025231 AMAQI
14th Jul 2025232 AMAQI
14th Jul 2025243 AMAQI
14th Jul 2025234 AMAQI
22°C15/30°C
14th Jul 2025275 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025407 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20253811 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025254 PMAQI
14th Jul 2025295 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025279 PMAQI
14th Jul 20252610 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20252812 AMAQI
15th Jul 2025271 AMAQI
15th Jul 2025212 AMAQI
15th Jul 2025273 AMAQI
15th Jul 2025164 AMAQI
18°C14/23°C
15th Jul 2025155 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025207 AMAQI
15th Jul 2025288 AMAQI
15th Jul 2025419 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025309 PMAQI
15th Jul 20252610 PMAQI
15th Jul 20253211 PMAQI
16th Jul 20253312 AMAQI
16th Jul 2025311 AMAQI
16th Jul 2025302 AMAQI
16th Jul 2025263 AMAQI
16th Jul 2025184 AMAQI
16°C11/21°C
16th Jul 2025305 AMAQI
16th Jul 2025206 AMAQI
16th Jul 2025257 AMAQI
16th Jul 2025258 AMAQI
16th Jul 2025199 AMAQI
16th Jul 20251910 AMAQI
16th Jul 20251811 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025201 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025299 PMAQI
16th Jul 20252310 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252612 AMAQI
17th Jul 2025191 AMAQI
17th Jul 2025252 AMAQI
17th Jul 2025183 AMAQI
17th Jul 2025224 AMAQI
19°C14/24°C
17th Jul 2025165 AMAQI
17th Jul 2025196 AMAQI
17th Jul 2025177 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025179 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251712 PMAQI
17th Jul 2025171 PMAQI
17th Jul 2025172 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025225 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025199 PMAQI
17th Jul 20251810 PMAQI
17th Jul 20251911 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025322 AMAQI
18th Jul 2025183 AMAQI
18th Jul 2025204 AMAQI
19°C17/24°C
18th Jul 2025205 AMAQI
18th Jul 2025236 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025173 PMAQI
18th Jul 2025154 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025146 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025179 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20251811 PMAQI
19th Jul 20251812 AMAQI
19th Jul 2025191 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025244 AMAQI
19°C15/23°C
19th Jul 2025275 AMAQI
19th Jul 2025246 AMAQI
19th Jul 2025247 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025195 PMAQI
19th Jul 2025196 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025234 AMAQI
19°C15/23°C
20th Jul 2025245 AMAQI
20th Jul 2025246 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251610 AMAQI
20th Jul 20251411 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025219 PMAQI
20th Jul 20251810 PMAQI
20th Jul 20251911 PMAQI
21st Jul 20251912 AMAQI
21st Jul 2025201 AMAQI
21st Jul 2025192 AMAQI
21st Jul 2025143 AMAQI
21st Jul 2025134 AMAQI
17°C13/20°C
21st Jul 2025185 AMAQI
21st Jul 2025186 AMAQI
21st Jul 2025177 AMAQI
21st Jul 2025208 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025173 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025206 PMAQI
21st Jul 2025177 PMAQI
21st Jul 2025188 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251912 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025182 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025184 AMAQI
17°C11/22°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20251210 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025132 PMAQI
22nd Jul 2025133 PMAQI
22nd Jul 2025134 PMAQI
22nd Jul 2025145 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025137 PMAQI
22nd Jul 2025148 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251512 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025142 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025164 AMAQI
18°C14/22°C
23rd Jul 2025205 AMAQI
23rd Jul 2025146 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025158 AMAQI
23rd Jul 2025159 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251412 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025514 AMAQI
18°C14/22°C
24th Jul 2025555 AMAQI
24th Jul 2025576 AMAQI
24th Jul 2025597 AMAQI
24th Jul 2025588 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025494 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025603 AMAQI
25th Jul 2025614 AMAQI
19°C15/22°C
25th Jul 2025625 AMAQI
25th Jul 2025626 AMAQI
25th Jul 2025617 AMAQI
25th Jul 2025618 AMAQI
25th Jul 2025599 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025603 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025565 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025203 AMAQI
26th Jul 2025204 AMAQI
19°C14/24°C
26th Jul 2025195 AMAQI
26th Jul 2025196 AMAQI
26th Jul 2025187 AMAQI
26th Jul 2025178 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025251 AMAQI
27th Jul 2025162 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025224 AMAQI
19°C15/23°C
27th Jul 2025165 AMAQI
27th Jul 2025196 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252511 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025304 AMAQI
16°C13/20°C
28th Jul 2025245 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025251 PMAQI
28th Jul 2025252 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025197 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025192 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025194 AMAQI
17°C12/23°C
29th Jul 2025185 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025178 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025188 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025201 AMAQI
30th Jul 2025162 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025154 AMAQI
17°C13/22°C
30th Jul 2025165 AMAQI
30th Jul 2025176 AMAQI
30th Jul 2025157 AMAQI
30th Jul 2025158 AMAQI
30th Jul 2025149 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251612 PMAQI
30th Jul 2025171 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025197 PMAQI
30th Jul 2025208 PMAQI
30th Jul 2025189 PMAQI
30th Jul 20251810 PMAQI
30th Jul 20251811 PMAQI
31st Jul 20251812 AMAQI
31st Jul 2025181 AMAQI
31st Jul 2025182 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025244 AMAQI
19°C14/24°C
31st Jul 2025235 AMAQI
31st Jul 2025236 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025179 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025212 PMAQI
31st Jul 2025233 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025229 PMAQI
31st Jul 20252310 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025211 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025204 AMAQI
19°C14/24°C
1st Aug 2025195 AMAQI
1st Aug 2025196 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025198 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025242 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025214 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025236 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025204 AMAQI
15°C11/19°C
2nd Aug 2025195 AMAQI
2nd Aug 2025226 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025178 AMAQI
2nd Aug 2025209 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025237 PMAQI
2nd Aug 2025228 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025282 AMAQI
3rd Aug 2025263 AMAQI
3rd Aug 2025334 AMAQI
16°C10/22°C
3rd Aug 2025395 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025327 AMAQI
3rd Aug 2025348 AMAQI
3rd Aug 2025249 AMAQI
3rd Aug 20252510 AMAQI
3rd Aug 20252611 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025256 PMAQI
3rd Aug 2025247 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252511 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025271 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025254 AMAQI
18°C13/22°C
4th Aug 2025245 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025287 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025222 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025184 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025251 AMAQI
5th Aug 2025262 AMAQI
5th Aug 2025243 AMAQI
5th Aug 2025224 AMAQI
17°C14/22°C
5th Aug 2025225 AMAQI
5th Aug 2025226 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025259 AMAQI
5th Aug 20252410 AMAQI
5th Aug 20252311 AMAQI
5th Aug 20252412 PMAQI
5th Aug 2025311 PMAQI
5th Aug 2025252 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025244 PMAQI
5th Aug 2025235 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025247 PMAQI
5th Aug 2025258 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025294 AMAQI
16°C12/21°C
6th Aug 2025285 AMAQI
6th Aug 2025286 AMAQI
6th Aug 2025277 AMAQI
6th Aug 2025308 AMAQI
6th Aug 2025299 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025291 PMAQI
6th Aug 2025262 PMAQI
6th Aug 2025293 PMAQI
6th Aug 2025284 PMAQI
6th Aug 2025315 PMAQI
6th Aug 2025296 PMAQI
6th Aug 2025287 PMAQI
6th Aug 2025278 PMAQI
6th Aug 2025269 PMAQI
6th Aug 20252810 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20252812 AMAQI
7th Aug 2025291 AMAQI
7th Aug 2025302 AMAQI
7th Aug 2025303 AMAQI
7th Aug 2025294 AMAQI
17°C12/21°C
7th Aug 2025285 AMAQI
5 AM7th Aug 2025256 AMAQI
7th Aug 2025227 AMAQI
7th Aug 2025238 AMAQI
7th Aug 2025279 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20252811 AMAQI
7th Aug 20252912 PMAQI
7th Aug 2025311 PMAQI
1 PM7th Aug 2025272 PMAQI
7th Aug 2025283 PMAQI
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
25AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
25AQI
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. 25), while the lowest AQI was between 5 AM to 9 PM (Avg. 25).
Night time
Avg. Highest Time
12 AM - 11 PM
25AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
25AQI
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. 25), while the lowest AQI was between 12 AM to 11 PM (Avg. 25).
2025 Days Vs Air Quality
Chepstow A48, Chepstow, Monmouthshire, United Kingdom
2025
81%
177
18%
40
0.4%
1
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
177 DaysModerate
40 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 219 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
Chepstow A48, Chepstow, Monmouthshire, 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
29AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
38AQI
38AQI
4th January 2025
48AQI
48AQI
5th January 2025
27AQI
27AQI
6th January 2025
29AQI
29AQI
7th January 2025
26AQI
26AQI
8th January 2025
30AQI
30AQI
9th January 2025
32AQI
32AQI
10th January 2025
51AQI
51AQI
11th January 2025
81AQI
81AQI
12th January 2025
64AQI
64AQI
13th January 2025
40AQI
40AQI
14th January 2025
41AQI
41AQI
15th January 2025
41AQI
41AQI
16th January 2025
40AQI
40AQI
17th January 2025
37AQI
37AQI
18th January 2025
41AQI
41AQI
19th January 2025
41AQI
41AQI
20th January 2025
50AQI
50AQI
21st January 2025
61AQI
61AQI
22nd January 2025
69AQI
69AQI
23rd January 2025
36AQI
36AQI
24th January 2025
46AQI
46AQI
25th January 2025
40AQI
40AQI
26th January 2025
32AQI
32AQI
27th January 2025
32AQI
32AQI
28th January 2025
27AQI
27AQI
29th January 2025
31AQI
31AQI
30th January 2025
32AQI
32AQI
31st January 2025
40AQI
40AQI
1st February 2025
44AQI
44AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
45AQI
45AQI
4th February 2025
38AQI
38AQI
5th February 2025
39AQI
39AQI
6th February 2025
48AQI
48AQI
7th February 2025
34AQI
34AQI
8th February 2025
54AQI
54AQI
9th February 2025
74AQI
74AQI
10th February 2025
65AQI
65AQI
11th February 2025
65AQI
65AQI
12th February 2025
70AQI
70AQI
13th February 2025
70AQI
70AQI
14th February 2025
62AQI
62AQI
15th February 2025
73AQI
73AQI
16th February 2025
75AQI
75AQI
17th February 2025
74AQI
74AQI
18th February 2025
78AQI
78AQI
19th February 2025
83AQI
83AQI
20th February 2025
29AQI
29AQI
21st February 2025
31AQI
31AQI
22nd February 2025
37AQI
37AQI
23rd February 2025
27AQI
27AQI
24th February 2025
28AQI
28AQI
25th February 2025
29AQI
29AQI
26th February 2025
27AQI
27AQI
27th February 2025
25AQI
25AQI
28th February 2025
30AQI
30AQI
1st March 2025
45AQI
45AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
50AQI
50AQI
4th March 2025
65AQI
65AQI
5th March 2025
79AQI
79AQI
6th March 2025
73AQI
73AQI
7th March 2025
51AQI
51AQI
8th March 2025
53AQI
53AQI
9th March 2025
72AQI
72AQI
10th March 2025
115AQI
115AQI
11th March 2025
48AQI
48AQI
12th March 2025
31AQI
31AQI
13th March 2025
33AQI
33AQI
14th March 2025
40AQI
40AQI
15th March 2025
36AQI
36AQI
16th March 2025
38AQI
38AQI
17th March 2025
30AQI
30AQI
18th March 2025
51AQI
51AQI
19th March 2025
71AQI
71AQI
20th March 2025
53AQI
53AQI
21st March 2025
59AQI
59AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
53AQI
53AQI
24th March 2025
87AQI
87AQI
25th March 2025
70AQI
70AQI
26th March 2025
31AQI
31AQI
27th March 2025
29AQI
29AQI
28th March 2025
24AQI
24AQI
29th March 2025
29AQI
29AQI
30th March 2025
36AQI
36AQI
31st March 2025
36AQI
36AQI
1st April 2025
47AQI
47AQI
2nd April 2025
40AQI
40AQI
3rd April 2025
54AQI
54AQI
4th April 2025
63AQI
63AQI
5th April 2025
37AQI
37AQI
6th April 2025
25AQI
25AQI
7th April 2025
35AQI
35AQI
8th April 2025
45AQI
45AQI
9th April 2025
45AQI
45AQI
10th April 2025
41AQI
41AQI
11th April 2025
55AQI
55AQI
12th April 2025
50AQI
50AQI
13th April 2025
39AQI
39AQI
14th April 2025
22AQI
22AQI
15th April 2025
29AQI
29AQI
16th April 2025
26AQI
26AQI
17th April 2025
37AQI
37AQI
18th April 2025
28AQI
28AQI
19th April 2025
34AQI
34AQI
20th April 2025
31AQI
31AQI
21st April 2025
34AQI
34AQI
22nd April 2025
25AQI
25AQI
23rd April 2025
21AQI
21AQI
24th April 2025
51AQI
51AQI
25th April 2025
45AQI
45AQI
26th April 2025
58AQI
58AQI
27th April 2025
34AQI
34AQI
28th April 2025
30AQI
30AQI
29th April 2025
43AQI
43AQI
30th April 2025
52AQI
52AQI
1st May 2025
53AQI
53AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
27AQI
27AQI
4th May 2025
24AQI
24AQI
5th May 2025
20AQI
20AQI
6th May 2025
28AQI
28AQI
7th May 2025
35AQI
35AQI
8th May 2025
22AQI
22AQI
9th May 2025
26AQI
26AQI
10th May 2025
30AQI
30AQI
11th May 2025
29AQI
29AQI
12th May 2025
29AQI
29AQI
13th May 2025
33AQI
33AQI
14th May 2025
35AQI
35AQI
15th May 2025
38AQI
38AQI
16th May 2025
39AQI
39AQI
17th May 2025
38AQI
38AQI
18th May 2025
43AQI
43AQI
19th May 2025
36AQI
36AQI
20th May 2025
30AQI
30AQI
21st May 2025
32AQI
32AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
31AQI
31AQI
24th May 2025
22AQI
22AQI
25th May 2025
22AQI
22AQI
26th May 2025
23AQI
23AQI
27th May 2025
20AQI
20AQI
28th May 2025
21AQI
21AQI
29th May 2025
20AQI
20AQI
30th May 2025
20AQI
20AQI
31st May 2025
21AQI
21AQI
1st June 2025
29AQI
29AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
24AQI
24AQI
4th June 2025
26AQI
26AQI
5th June 2025
19AQI
19AQI
6th June 2025
20AQI
20AQI
7th June 2025
16AQI
16AQI
8th June 2025
26AQI
26AQI
9th June 2025
62AQI
62AQI
10th June 2025
33AQI
33AQI
11th June 2025
31AQI
31AQI
12th June 2025
46AQI
46AQI
13th June 2025
37AQI
37AQI
14th June 2025
26AQI
26AQI
15th June 2025
28AQI
28AQI
16th June 2025
25AQI
25AQI
17th June 2025
35AQI
35AQI
18th June 2025
29AQI
29AQI
19th June 2025
37AQI
37AQI
20th June 2025
48AQI
48AQI
21st June 2025
35AQI
35AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
21AQI
21AQI
24th June 2025
19AQI
19AQI
25th June 2025
16AQI
16AQI
26th June 2025
17AQI
17AQI
27th June 2025
20AQI
20AQI
28th June 2025
15AQI
15AQI
29th June 2025
16AQI
16AQI
30th June 2025
25AQI
25AQI
1st July 2025
25AQI
25AQI
2nd July 2025
20AQI
20AQI
3rd July 2025
22AQI
22AQI
4th July 2025
20AQI
20AQI
5th July 2025
18AQI
18AQI
6th July 2025
17AQI
17AQI
7th July 2025
17AQI
17AQI
8th July 2025
20AQI
20AQI
9th July 2025
18AQI
18AQI
10th July 2025
20AQI
20AQI
11th July 2025
22AQI
22AQI
12th July 2025
23AQI
23AQI
13th July 2025
22AQI
22AQI
14th July 2025
28AQI
28AQI
15th July 2025
28AQI
28AQI
16th July 2025
24AQI
24AQI
17th July 2025
19AQI
19AQI
18th July 2025
21AQI
21AQI
19th July 2025
23AQI
23AQI
20th July 2025
21AQI
21AQI
21st July 2025
19AQI
19AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
25AQI
25AQI
24th July 2025
51AQI
51AQI
25th July 2025
58AQI
58AQI
26th July 2025
26AQI
26AQI
27th July 2025
23AQI
23AQI
28th July 2025
26AQI
26AQI
29th July 2025
19AQI
19AQI
30th July 2025
21AQI
21AQI
31st July 2025
22AQI
22AQI
1st August 2025
21AQI
21AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
27AQI
27AQI
4th August 2025
24AQI
24AQI
5th August 2025
24AQI
24AQI
6th August 2025
29AQI
29AQI
41AQI
50AQI
51AQI
39AQI
30AQI
28AQI
24AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
26
5
16
12
17
13
1
24
6
30
1
29
1
29
2
6
177
40
1
Highest AQI recorded in
March51AQI
Lowest AQI recorded in
July24AQI
202431AQI
29
2
29
24
7
30
27
4
29
1
31
30
1
28
2
31
23
7
31
342
24
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
July27AQI
202334AQI
28
3
22
6
30
1
22
8
30
1
28
2
31
31
25
4
31
27
2
29
2
334
29
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
July24AQI
202241AQI
17
14
21
16
15
24
6
26
5
27
3
16
4
1
28
31
28
2
20
11
255
60
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
September29AQI
202140AQI
27
3
21
7
17
12
2
18
12
27
4
19
11
22
9
30
1
22
8
29
2
29
1
27
4
288
74
2
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
October29AQI
202032AQI
7
6
15
6
18
29
1
31
24
6
28
2
29
2
24
6
27
4
232
33
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
July13AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
31AQIChepstow A48's annual 2025 AQI (37) shows an average percentage change of 4.2% (worsened AQI) compared to previous years: 2020 (32), 2021 (40), 2022 (41), 2023 (34), 2024 (31).
