Hounslow Brentford, Ealing, Ealing, 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
Hounslow Brentford, Ealing, Ealing, United Kingdom
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2024
58AQILowest AQI recorded on
3rd Aug 2023
15AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 27 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
Hounslow Brentford, Ealing, Ealing, United Kingdom
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM4th Aug
26AQI
Avg. Lowest Time
3PM4th Aug
22AQI
In the last 24 hours,
Hounslow Brentford's AQI reached its highest point of 26 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hounslow Brentford, Ealing, Ealing, 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 2025195 AMAQI
6th Jul 2025186 AMAQI
6th Jul 2025167 AMAQI
6th Jul 2025148 AMAQI
6th Jul 2025169 AMAQI
6th Jul 20251610 AMAQI
6th Jul 20251611 AMAQI
6th Jul 20251512 PMAQI
6th Jul 2025161 PMAQI
6th Jul 2025172 PMAQI
6th Jul 2025163 PMAQI
6th Jul 2025164 PMAQI
6th Jul 2025165 PMAQI
6th Jul 2025166 PMAQI
6th Jul 2025187 PMAQI
6th Jul 2025178 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251710 PMAQI
6th Jul 20251711 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025161 AMAQI
7th Jul 2025162 AMAQI
7th Jul 2025163 AMAQI
7th Jul 2025164 AMAQI
18°C16/21°C
7th Jul 2025195 AMAQI
7th Jul 2025226 AMAQI
7th Jul 2025227 AMAQI
7th Jul 2025228 AMAQI
7th Jul 2025199 AMAQI
7th Jul 20252210 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20251912 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025172 PMAQI
7th Jul 2025173 PMAQI
7th Jul 2025164 PMAQI
7th Jul 2025175 PMAQI
7th Jul 2025186 PMAQI
7th Jul 2025177 PMAQI
7th Jul 2025178 PMAQI
7th Jul 2025189 PMAQI
7th Jul 20251710 PMAQI
7th Jul 20251811 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025221 AMAQI
8th Jul 2025232 AMAQI
8th Jul 2025243 AMAQI
8th Jul 2025264 AMAQI
17°C12/22°C
8th Jul 2025225 AMAQI
8th Jul 2025196 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025191 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025193 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025215 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025218 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20251910 PMAQI
8th Jul 20252011 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025211 AMAQI
9th Jul 2025212 AMAQI
9th Jul 2025223 AMAQI
9th Jul 2025234 AMAQI
18°C11/24°C
9th Jul 2025235 AMAQI
9th Jul 2025256 AMAQI
9th Jul 2025287 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20253110 AMAQI
9th Jul 20253411 AMAQI
9th Jul 20253112 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025222 PMAQI
9th Jul 2025223 PMAQI
9th Jul 2025234 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025226 PMAQI
9th Jul 2025217 PMAQI
9th Jul 2025238 PMAQI
9th Jul 2025239 PMAQI
9th Jul 20252410 PMAQI
9th Jul 20252211 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025241 AMAQI
10th Jul 2025242 AMAQI
10th Jul 2025203 AMAQI
10th Jul 2025204 AMAQI
20°C14/26°C
10th Jul 2025205 AMAQI
10th Jul 2025206 AMAQI
10th Jul 2025247 AMAQI
10th Jul 2025238 AMAQI
10th Jul 2025279 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20252311 AMAQI
10th Jul 20252412 PMAQI
10th Jul 2025281 PMAQI
10th Jul 2025272 PMAQI
10th Jul 2025233 PMAQI
10th Jul 2025204 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025196 PMAQI
10th Jul 2025247 PMAQI
10th Jul 2025288 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20252110 PMAQI
10th Jul 20252111 PMAQI
11th Jul 20252112 AMAQI
11th Jul 2025221 AMAQI
11th Jul 2025222 AMAQI
11th Jul 2025233 AMAQI
11th Jul 2025224 AMAQI
24°C18/30°C
11th Jul 2025245 AMAQI
11th Jul 2025256 AMAQI
11th Jul 2025347 AMAQI
11th Jul 2025298 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20252710 AMAQI
11th Jul 20252811 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025291 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025234 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025266 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025288 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252410 PMAQI
11th Jul 20252311 PMAQI
12th Jul 20252212 AMAQI
12th Jul 2025251 AMAQI
12th Jul 2025242 AMAQI
12th Jul 2025253 AMAQI
12th Jul 2025224 AMAQI
25°C19/31°C
12th Jul 2025225 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025297 AMAQI
12th Jul 2025328 AMAQI
12th Jul 2025329 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025262 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025256 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252311 PMAQI
13th Jul 20252312 AMAQI
13th Jul 2025251 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025273 AMAQI
13th Jul 2025324 AMAQI
24°C19/30°C
13th Jul 2025305 AMAQI
13th Jul 2025286 AMAQI
13th Jul 2025257 AMAQI
13th Jul 2025258 AMAQI
13th Jul 2025239 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252612 PMAQI
13th Jul 2025281 PMAQI
13th Jul 2025342 PMAQI
13th Jul 2025333 PMAQI
13th Jul 2025354 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025278 PMAQI
13th Jul 2025269 PMAQI
13th Jul 20252710 PMAQI
13th Jul 20252611 PMAQI
14th Jul 20252612 AMAQI
14th Jul 2025271 AMAQI
14th Jul 2025292 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025334 AMAQI
23°C16/30°C
14th Jul 2025315 AMAQI
14th Jul 2025386 AMAQI
14th Jul 2025397 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025274 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025266 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025309 PMAQI
14th Jul 20252810 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20252812 AMAQI
15th Jul 2025301 AMAQI
15th Jul 2025242 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025214 AMAQI
21°C16/26°C
15th Jul 2025195 AMAQI
15th Jul 2025176 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025268 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252710 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025184 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025257 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025231 AMAQI
16th Jul 2025232 AMAQI
16th Jul 2025203 AMAQI
16th Jul 2025184 AMAQI
19°C14/23°C
16th Jul 2025185 AMAQI
16th Jul 2025186 AMAQI
16th Jul 2025247 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025249 AMAQI
16th Jul 20252410 AMAQI
16th Jul 20252511 AMAQI
16th Jul 20252412 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025218 PMAQI
16th Jul 2025219 PMAQI
16th Jul 20252210 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252212 AMAQI
17th Jul 2025221 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025254 AMAQI
21°C16/27°C
17th Jul 2025285 AMAQI
17th Jul 2025296 AMAQI
17th Jul 2025287 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025221 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025256 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025249 PMAQI
17th Jul 20252210 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252412 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025213 AMAQI
18th Jul 2025184 AMAQI
21°C18/26°C
18th Jul 2025225 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025236 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025212 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025224 AMAQI
24°C18/30°C
19th Jul 2025235 AMAQI
19th Jul 2025266 AMAQI
19th Jul 2025257 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025254 AMAQI
19°C17/22°C
20th Jul 2025285 AMAQI
20th Jul 2025296 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025239 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025186 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025199 PMAQI
20th Jul 20251910 PMAQI
20th Jul 20251911 PMAQI
21st Jul 20251912 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025242 AMAQI
21st Jul 2025213 AMAQI
21st Jul 2025204 AMAQI
19°C16/22°C
21st Jul 2025195 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025187 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20251711 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025163 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025165 PMAQI
21st Jul 2025166 PMAQI
21st Jul 2025167 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025174 AMAQI
18°C15/23°C
22nd Jul 2025185 AMAQI
22nd Jul 2025196 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025158 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251211 AMAQI
22nd Jul 20251512 PMAQI
22nd Jul 2025151 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025144 PMAQI
22nd Jul 2025155 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025157 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025173 AMAQI
23rd Jul 2025164 AMAQI
19°C15/24°C
23rd Jul 2025175 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025158 AMAQI
23rd Jul 2025159 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025327 PMAQI
23rd Jul 2025358 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025534 AMAQI
19°C16/23°C
24th Jul 2025545 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20254810 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025403 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025395 PMAQI
24th Jul 2025396 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025449 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254111 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025234 AMAQI
17°C16/21°C
25th Jul 2025245 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025247 AMAQI
25th Jul 2025248 AMAQI
25th Jul 2025239 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025424 AMAQI
21°C16/26°C
26th Jul 2025405 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025418 AMAQI
26th Jul 2025369 AMAQI
26th Jul 20253510 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025164 AMAQI
19°C16/23°C
27th Jul 2025155 AMAQI
27th Jul 2025156 AMAQI
27th Jul 2025157 AMAQI
27th Jul 2025158 AMAQI
27th Jul 2025169 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251611 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025304 AMAQI
19°C16/22°C
28th Jul 2025285 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025207 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025205 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025228 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025251 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025253 AMAQI
29th Jul 2025254 AMAQI
19°C14/23°C
29th Jul 2025245 AMAQI
29th Jul 2025246 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025228 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025277 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025344 AMAQI
18°C15/21°C
30th Jul 2025385 AMAQI
30th Jul 2025436 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025204 AMAQI
20°C15/25°C
31st Jul 2025215 AMAQI
31st Jul 2025216 AMAQI
31st Jul 2025207 AMAQI
31st Jul 2025218 AMAQI
31st Jul 2025219 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252610 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252412 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025253 AMAQI
1st Aug 2025214 AMAQI
19°C16/25°C
1st Aug 2025185 AMAQI
1st Aug 2025196 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025238 AMAQI
1st Aug 2025239 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252412 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025252 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025238 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025243 AMAQI
2nd Aug 2025234 AMAQI
17°C13/21°C
2nd Aug 2025185 AMAQI
2nd Aug 2025196 AMAQI
2nd Aug 2025207 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025199 AMAQI
2nd Aug 20251910 AMAQI
2nd Aug 20251711 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025214 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025263 AMAQI
3rd Aug 2025304 AMAQI
18°C13/22°C
3rd Aug 2025325 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025287 AMAQI
3rd Aug 2025308 AMAQI
3rd Aug 2025249 AMAQI
3rd Aug 20252910 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20252612 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025232 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025245 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025247 PMAQI
3rd Aug 2025268 PMAQI
3rd Aug 2025279 PMAQI
3rd Aug 20252710 PMAQI
3rd Aug 20252711 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025271 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025283 AMAQI
4th Aug 2025264 AMAQI
19°C14/24°C
4th Aug 2025245 AMAQI
4th Aug 2025256 AMAQI
4th Aug 2025257 AMAQI
4th Aug 2025258 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252610 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252412 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025222 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025235 PMAQI
4th Aug 2025236 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025249 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252412 AMAQI
--°C/°C
5 AM
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
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
Hounslow Brentford, Ealing, Ealing, United Kingdom
2025
70%
151
29%
62
0.9%
2
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
151 DaysModerate
62 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 216 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
Hounslow Brentford, Ealing, Ealing, 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
33AQI
33AQI
3rd January 2025
41AQI
41AQI
4th January 2025
56AQI
56AQI
5th January 2025
32AQI
32AQI
6th January 2025
22AQI
22AQI
7th January 2025
23AQI
23AQI
8th January 2025
35AQI
35AQI
9th January 2025
52AQI
52AQI
10th January 2025
62AQI
62AQI
11th January 2025
99AQI
99AQI
12th January 2025
114AQI
114AQI
13th January 2025
69AQI
69AQI
14th January 2025
53AQI
53AQI
15th January 2025
55AQI
55AQI
16th January 2025
49AQI
49AQI
17th January 2025
53AQI
53AQI
18th January 2025
70AQI
70AQI
19th January 2025
71AQI
71AQI
20th January 2025
64AQI
64AQI
21st January 2025
67AQI
67AQI
22nd January 2025
77AQI
77AQI
23rd January 2025
60AQI
60AQI
24th January 2025
40AQI
40AQI
25th January 2025
35AQI
35AQI
26th January 2025
40AQI
40AQI
27th January 2025
25AQI
25AQI
28th January 2025
26AQI
26AQI
29th January 2025
26AQI
26AQI
30th January 2025
31AQI
31AQI
31st January 2025
31AQI
31AQI
1st February 2025
35AQI
35AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
62AQI
62AQI
4th February 2025
37AQI
37AQI
5th February 2025
45AQI
45AQI
6th February 2025
49AQI
49AQI
7th February 2025
42AQI
42AQI
8th February 2025
61AQI
61AQI
9th February 2025
60AQI
60AQI
10th February 2025
85AQI
85AQI
11th February 2025
79AQI
79AQI
12th February 2025
73AQI
73AQI
13th February 2025
69AQI
69AQI
14th February 2025
60AQI
60AQI
15th February 2025
66AQI
66AQI
16th February 2025
70AQI
70AQI
17th February 2025
65AQI
65AQI
18th February 2025
71AQI
71AQI
19th February 2025
78AQI
78AQI
20th February 2025
56AQI
56AQI
21st February 2025
33AQI
33AQI
22nd February 2025
38AQI
38AQI
23rd February 2025
33AQI
33AQI
24th February 2025
29AQI
29AQI
25th February 2025
35AQI
35AQI
26th February 2025
34AQI
34AQI
27th February 2025
36AQI
36AQI
28th February 2025
53AQI
53AQI
1st March 2025
57AQI
57AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
76AQI
76AQI
4th March 2025
79AQI
79AQI
5th March 2025
92AQI
92AQI
6th March 2025
76AQI
76AQI
7th March 2025
57AQI
57AQI
8th March 2025
67AQI
67AQI
9th March 2025
89AQI
89AQI
10th March 2025
121AQI
121AQI
11th March 2025
62AQI
62AQI
12th March 2025
40AQI
40AQI
13th March 2025
33AQI
33AQI
14th March 2025
47AQI
47AQI
15th March 2025
39AQI
39AQI
16th March 2025
40AQI
40AQI
17th March 2025
40AQI
40AQI
18th March 2025
52AQI
52AQI
19th March 2025
65AQI
65AQI
20th March 2025
62AQI
62AQI
21st March 2025
73AQI
73AQI
22nd March 2025
55AQI
55AQI
23rd March 2025
81AQI
81AQI
24th March 2025
89AQI
89AQI
25th March 2025
83AQI
83AQI
26th March 2025
59AQI
59AQI
27th March 2025
53AQI
53AQI
28th March 2025
42AQI
42AQI
29th March 2025
44AQI
44AQI
30th March 2025
47AQI
47AQI
31st March 2025
42AQI
42AQI
1st April 2025
45AQI
45AQI
2nd April 2025
49AQI
49AQI
3rd April 2025
61AQI
61AQI
4th April 2025
73AQI
73AQI
5th April 2025
45AQI
45AQI
6th April 2025
33AQI
33AQI
7th April 2025
37AQI
37AQI
8th April 2025
55AQI
55AQI
9th April 2025
42AQI
42AQI
10th April 2025
43AQI
43AQI
11th April 2025
58AQI
58AQI
12th April 2025
67AQI
67AQI
13th April 2025
49AQI
49AQI
14th April 2025
30AQI
30AQI
15th April 2025
45AQI
45AQI
16th April 2025
25AQI
25AQI
17th April 2025
31AQI
31AQI
18th April 2025
39AQI
39AQI
19th April 2025
44AQI
44AQI
20th April 2025
25AQI
25AQI
21st April 2025
44AQI
44AQI
22nd April 2025
35AQI
35AQI
23rd April 2025
18AQI
18AQI
24th April 2025
38AQI
38AQI
25th April 2025
42AQI
42AQI
26th April 2025
53AQI
53AQI
27th April 2025
65AQI
65AQI
28th April 2025
50AQI
50AQI
29th April 2025
58AQI
58AQI
30th April 2025
60AQI
60AQI
1st May 2025
61AQI
61AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
48AQI
48AQI
4th May 2025
21AQI
21AQI
5th May 2025
17AQI
17AQI
6th May 2025
20AQI
20AQI
7th May 2025
22AQI
22AQI
8th May 2025
21AQI
21AQI
9th May 2025
25AQI
25AQI
10th May 2025
25AQI
25AQI
11th May 2025
26AQI
26AQI
12th May 2025
25AQI
25AQI
13th May 2025
28AQI
28AQI
14th May 2025
28AQI
28AQI
15th May 2025
27AQI
27AQI
16th May 2025
27AQI
27AQI
17th May 2025
27AQI
27AQI
18th May 2025
38AQI
38AQI
19th May 2025
36AQI
36AQI
20th May 2025
28AQI
28AQI
21st May 2025
35AQI
35AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
28AQI
28AQI
24th May 2025
28AQI
28AQI
25th May 2025
19AQI
19AQI
26th May 2025
20AQI
20AQI
27th May 2025
19AQI
19AQI
28th May 2025
17AQI
17AQI
29th May 2025
18AQI
18AQI
30th May 2025
20AQI
20AQI
31st May 2025
20AQI
20AQI
1st June 2025
22AQI
22AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
21AQI
21AQI
4th June 2025
17AQI
17AQI
5th June 2025
17AQI
17AQI
6th June 2025
15AQI
15AQI
7th June 2025
15AQI
15AQI
8th June 2025
17AQI
17AQI
9th June 2025
45AQI
45AQI
10th June 2025
43AQI
43AQI
11th June 2025
31AQI
31AQI
12th June 2025
42AQI
42AQI
13th June 2025
37AQI
37AQI
14th June 2025
35AQI
35AQI
15th June 2025
27AQI
27AQI
16th June 2025
26AQI
26AQI
17th June 2025
27AQI
27AQI
18th June 2025
32AQI
32AQI
19th June 2025
39AQI
39AQI
20th June 2025
52AQI
52AQI
21st June 2025
42AQI
42AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
21AQI
21AQI
24th June 2025
19AQI
19AQI
25th June 2025
16AQI
16AQI
26th June 2025
32AQI
32AQI
27th June 2025
27AQI
27AQI
28th June 2025
23AQI
23AQI
29th June 2025
25AQI
25AQI
30th June 2025
24AQI
24AQI
1st July 2025
36AQI
36AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
17AQI
17AQI
4th July 2025
18AQI
18AQI
5th July 2025
18AQI
18AQI
6th July 2025
17AQI
17AQI
7th July 2025
18AQI
18AQI
8th July 2025
21AQI
21AQI
9th July 2025
25AQI
25AQI
10th July 2025
23AQI
23AQI
11th July 2025
25AQI
25AQI
12th July 2025
25AQI
25AQI
13th July 2025
27AQI
27AQI
14th July 2025
30AQI
30AQI
15th July 2025
24AQI
24AQI
16th July 2025
22AQI
22AQI
17th July 2025
24AQI
24AQI
18th July 2025
23AQI
23AQI
19th July 2025
25AQI
25AQI
20th July 2025
22AQI
22AQI
21st July 2025
19AQI
19AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
22AQI
22AQI
24th July 2025
44AQI
44AQI
25th July 2025
32AQI
32AQI
26th July 2025
34AQI
34AQI
27th July 2025
21AQI
21AQI
28th July 2025
23AQI
23AQI
29th July 2025
24AQI
24AQI
30th July 2025
31AQI
31AQI
31st July 2025
24AQI
24AQI
1st August 2025
23AQI
23AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
27AQI
27AQI
50AQI
54AQI
62AQI
45AQI
28AQI
28AQI
24AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
16
14
1
12
16
10
20
1
21
9
29
2
29
1
31
3
151
62
2
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
August24AQI
202440AQI
19
12
26
3
18
10
28
2
18
13
15
10
4
1
29
2
28
3
24
6
29
2
17
13
30
1
281
77
4
1
Highest AQI recorded in
June71AQI
Lowest AQI recorded in
July27AQI
202337AQI
22
8
1
20
5
2
30
1
16
14
25
6
25
5
31
30
1
15
15
28
3
25
4
26
5
293
67
2
1
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
August22AQI
202242AQI
17
13
1
21
1
15
14
1
23
6
1
26
5
26
4
20
2
1
4
2
21
2
13
2
16
13
2
203
64
5
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
August19AQI
202142AQI
20
10
15
13
16
11
4
16
13
1
26
3
22
8
25
6
31
18
9
3
28
3
25
5
25
6
267
87
8
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
August27AQI
202039AQI
6
7
10
10
1
12
27
3
31
20
6
26
4
24
4
18
10
2
23
8
197
52
3
Highest AQI recorded in
April61AQI
Lowest AQI recorded in
July17AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
42AQILeast Polluted Year Recorded
2023(Avg.)
37AQIHounslow Brentford's annual 2025 AQI (41) shows an average percentage change of 3.7% (worsened AQI) compared to previous years: 2020 (39), 2021 (42), 2022 (42), 2023 (37), 2024 (40).
