Cosham, Portsmouth, 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+
September Air Quality Analysis
Cosham, Portsmouth, United Kingdom
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Sep 2025
30AQILowest AQI recorded on
1st Sep 2024
17AQISame Day Analysis (27th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Cosham, Portsmouth, United Kingdom
AQI
Day
Night
.
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
Day time
Avg. Highest Time
7AM28th Sep
22AQI
Avg. Lowest Time
6PM28th Sep
20AQI
Night time
Avg. Highest Time
12AM29th Sep
43AQI
Avg. Lowest Time
5AM29th Sep
21AQI
In the last 24 hours,
Cosham's AQI reached its highest point of 43 at 12 AM during the Night, while the lowest point, 20, was recorded at 6 PM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Cosham, Portsmouth, United Kingdom
AugSep
30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 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
Day
Night
30th Aug 2025216 AMAQI
30th Aug 2025227 AMAQI
30th Aug 2025248 AMAQI
30th Aug 2025249 AMAQI
30th Aug 20252610 AMAQI
30th Aug 20252411 AMAQI
30th Aug 20252212 PMAQI
30th Aug 2025231 PMAQI
30th Aug 2025212 PMAQI
30th Aug 2025243 PMAQI
30th Aug 2025214 PMAQI
30th Aug 2025215 PMAQI
30th Aug 2025226 PMAQI
30th Aug 2025217 PMAQI
30th Aug 2025228 PMAQI
30th Aug 2025229 PMAQI
30th Aug 20252210 PMAQI
30th Aug 20252211 PMAQI
31st Aug 20252212 AMAQI
31st Aug 2025201 AMAQI
31st Aug 2025232 AMAQI
31st Aug 2025243 AMAQI
31st Aug 2025224 AMAQI
31st Aug 2025265 AMAQI
17°C15/19°C
31st Aug 2025266 AMAQI
31st Aug 2025277 AMAQI
31st Aug 2025238 AMAQI
31st Aug 2025229 AMAQI
31st Aug 20253010 AMAQI
31st Aug 20252711 AMAQI
31st Aug 20252512 PMAQI
31st Aug 2025231 PMAQI
31st Aug 2025232 PMAQI
31st Aug 2025223 PMAQI
31st Aug 2025244 PMAQI
31st Aug 2025245 PMAQI
31st Aug 2025246 PMAQI
31st Aug 2025247 PMAQI
31st Aug 2025238 PMAQI
31st Aug 2025249 PMAQI
31st Aug 20252410 PMAQI
31st Aug 20252411 PMAQI
1st Sep 20252412 AMAQI
1st Sep 2025271 AMAQI
1st Sep 2025272 AMAQI
1st Sep 2025253 AMAQI
1st Sep 2025284 AMAQI
1st Sep 2025265 AMAQI
17°C16/19°C
1st Sep 2025246 AMAQI
1st Sep 2025267 AMAQI
1st Sep 2025248 AMAQI
1st Sep 2025289 AMAQI
1st Sep 20253010 AMAQI
1st Sep 20253011 AMAQI
1st Sep 20252612 PMAQI
1st Sep 2025251 PMAQI
1st Sep 2025272 PMAQI
1st Sep 2025263 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025275 PMAQI
1st Sep 2025266 PMAQI
1st Sep 2025267 PMAQI
1st Sep 2025278 PMAQI
1st Sep 2025279 PMAQI
1st Sep 20252610 PMAQI
1st Sep 20252611 PMAQI
2nd Sep 20252612 AMAQI
2nd Sep 2025281 AMAQI
2nd Sep 2025242 AMAQI
2nd Sep 2025243 AMAQI
2nd Sep 2025224 AMAQI
2nd Sep 2025205 AMAQI
17°C15/19°C
2nd Sep 2025236 AMAQI
2nd Sep 2025237 AMAQI
2nd Sep 2025248 AMAQI
2nd Sep 2025239 AMAQI
2nd Sep 20252610 AMAQI
2nd Sep 20252611 AMAQI
2nd Sep 20252312 PMAQI
2nd Sep 2025221 PMAQI
2nd Sep 2025212 PMAQI
2nd Sep 2025203 PMAQI
2nd Sep 2025224 PMAQI
2nd Sep 2025235 PMAQI
2nd Sep 2025226 PMAQI
2nd Sep 2025247 PMAQI
2nd Sep 2025248 PMAQI
2nd Sep 2025269 PMAQI
2nd Sep 20252510 PMAQI
2nd Sep 20252611 PMAQI
3rd Sep 20252512 AMAQI
3rd Sep 2025251 AMAQI
3rd Sep 2025232 AMAQI
3rd Sep 2025283 AMAQI
3rd Sep 2025284 AMAQI
3rd Sep 2025305 AMAQI
16°C15/18°C
3rd Sep 2025306 AMAQI
3rd Sep 2025407 AMAQI
3rd Sep 2025378 AMAQI
3rd Sep 2025339 AMAQI
3rd Sep 20252810 AMAQI
3rd Sep 20252611 AMAQI
3rd Sep 20252412 PMAQI
3rd Sep 2025241 PMAQI
3rd Sep 2025212 PMAQI
3rd Sep 2025263 PMAQI
3rd Sep 2025264 PMAQI
3rd Sep 2025285 PMAQI
3rd Sep 2025316 PMAQI
3rd Sep 2025257 PMAQI
3rd Sep 2025278 PMAQI
3rd Sep 2025259 PMAQI
3rd Sep 20252710 PMAQI
3rd Sep 20252411 PMAQI
4th Sep 20252412 AMAQI
4th Sep 2025221 AMAQI
4th Sep 2025262 AMAQI
4th Sep 2025243 AMAQI
4th Sep 2025254 AMAQI
4th Sep 2025235 AMAQI
18°C16/20°C
4th Sep 2025246 AMAQI
4th Sep 2025227 AMAQI
4th Sep 2025268 AMAQI
4th Sep 2025259 AMAQI
4th Sep 20252110 AMAQI
4th Sep 20252011 AMAQI
4th Sep 20251912 PMAQI
4th Sep 2025221 PMAQI
4th Sep 2025192 PMAQI
4th Sep 2025173 PMAQI
4th Sep 2025194 PMAQI
4th Sep 2025185 PMAQI
4th Sep 2025196 PMAQI
4th Sep 2025207 PMAQI
4th Sep 2025208 PMAQI
4th Sep 2025209 PMAQI
4th Sep 20252210 PMAQI
4th Sep 20252211 PMAQI
5th Sep 20252212 AMAQI
5th Sep 2025201 AMAQI
5th Sep 2025222 AMAQI
5th Sep 2025193 AMAQI
5th Sep 2025174 AMAQI
5th Sep 2025185 AMAQI
17°C14/19°C
5th Sep 2025216 AMAQI
5th Sep 2025207 AMAQI
5th Sep 2025228 AMAQI
5th Sep 2025249 AMAQI
5th Sep 20252410 AMAQI
5th Sep 20252511 AMAQI
5th Sep 20252012 PMAQI
5th Sep 2025201 PMAQI
5th Sep 2025212 PMAQI
5th Sep 2025213 PMAQI
5th Sep 2025204 PMAQI
5th Sep 2025195 PMAQI
5th Sep 2025196 PMAQI
5th Sep 2025207 PMAQI
5th Sep 2025208 PMAQI
5th Sep 2025219 PMAQI
5th Sep 20252010 PMAQI
5th Sep 20252211 PMAQI
6th Sep 20252012 AMAQI
6th Sep 2025211 AMAQI
6th Sep 2025262 AMAQI
6th Sep 2025203 AMAQI
6th Sep 2025194 AMAQI
6th Sep 2025215 AMAQI
16°C13/19°C
6th Sep 2025216 AMAQI
6th Sep 2025277 AMAQI
6th Sep 2025248 AMAQI
6th Sep 2025259 AMAQI
6th Sep 20252110 AMAQI
6th Sep 20252211 AMAQI
6th Sep 20252012 PMAQI
6th Sep 2025201 PMAQI
6th Sep 2025202 PMAQI
6th Sep 2025203 PMAQI
6th Sep 2025204 PMAQI
6th Sep 2025215 PMAQI
6th Sep 2025226 PMAQI
6th Sep 2025217 PMAQI
6th Sep 2025228 PMAQI
6th Sep 2025219 PMAQI
6th Sep 20252110 PMAQI
6th Sep 20252011 PMAQI
7th Sep 20252112 AMAQI
7th Sep 2025231 AMAQI
7th Sep 2025232 AMAQI
7th Sep 2025213 AMAQI
7th Sep 2025244 AMAQI
7th Sep 2025235 AMAQI
18°C15/21°C
7th Sep 2025256 AMAQI
7th Sep 2025247 AMAQI
7th Sep 2025248 AMAQI
7th Sep 2025279 AMAQI
7th Sep 20252310 AMAQI
7th Sep 20252611 AMAQI
7th Sep 20252512 PMAQI
7th Sep 2025261 PMAQI
7th Sep 2025262 PMAQI
7th Sep 2025273 PMAQI
7th Sep 2025264 PMAQI
7th Sep 2025275 PMAQI
7th Sep 2025306 PMAQI
7th Sep 2025307 PMAQI
7th Sep 2025248 PMAQI
7th Sep 2025249 PMAQI
7th Sep 20252310 PMAQI
7th Sep 20252411 PMAQI
8th Sep 20252312 AMAQI
8th Sep 2025231 AMAQI
8th Sep 2025252 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025244 AMAQI
8th Sep 2025245 AMAQI
19°C16/21°C
8th Sep 2025256 AMAQI
8th Sep 2025247 AMAQI
8th Sep 2025268 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20252610 AMAQI
8th Sep 20252711 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025241 PMAQI
8th Sep 2025262 PMAQI
8th Sep 2025253 PMAQI
8th Sep 2025234 PMAQI
8th Sep 2025235 PMAQI
8th Sep 2025236 PMAQI
8th Sep 2025257 PMAQI
8th Sep 2025228 PMAQI
8th Sep 2025249 PMAQI
8th Sep 20252210 PMAQI
8th Sep 20252411 PMAQI
9th Sep 20252312 AMAQI
9th Sep 2025221 AMAQI
9th Sep 2025222 AMAQI
9th Sep 2025203 AMAQI
9th Sep 2025204 AMAQI
9th Sep 2025195 AMAQI
16°C14/18°C
9th Sep 2025186 AMAQI
9th Sep 2025207 AMAQI
9th Sep 2025228 AMAQI
9th Sep 2025309 AMAQI
9th Sep 20252510 AMAQI
9th Sep 20252711 AMAQI
9th Sep 20252012 PMAQI
9th Sep 2025201 PMAQI
9th Sep 2025202 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025214 PMAQI
9th Sep 2025225 PMAQI
9th Sep 2025206 PMAQI
9th Sep 2025207 PMAQI
9th Sep 2025228 PMAQI
9th Sep 2025229 PMAQI
9th Sep 20252210 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252212 AMAQI
10th Sep 2025191 AMAQI
10th Sep 2025192 AMAQI
10th Sep 2025213 AMAQI
10th Sep 2025224 AMAQI
10th Sep 2025225 AMAQI
16°C14/18°C
10th Sep 2025286 AMAQI
10th Sep 2025307 AMAQI
10th Sep 2025288 AMAQI
10th Sep 2025289 AMAQI
10th Sep 20252210 AMAQI
10th Sep 20252211 AMAQI
10th Sep 20252212 PMAQI
10th Sep 2025211 PMAQI
10th Sep 2025202 PMAQI
10th Sep 2025203 PMAQI
10th Sep 2025204 PMAQI
10th Sep 2025215 PMAQI
10th Sep 2025206 PMAQI
10th Sep 2025207 PMAQI
10th Sep 2025228 PMAQI
10th Sep 2025229 PMAQI
10th Sep 20252110 PMAQI
10th Sep 20252211 PMAQI
11th Sep 20252212 AMAQI
11th Sep 2025221 AMAQI
11th Sep 2025222 AMAQI
11th Sep 2025213 AMAQI
11th Sep 2025204 AMAQI
11th Sep 2025205 AMAQI
16°C14/18°C
11th Sep 2025216 AMAQI
11th Sep 2025227 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025289 AMAQI
11th Sep 20252310 AMAQI
11th Sep 20252411 AMAQI
11th Sep 20252512 PMAQI
11th Sep 2025271 PMAQI
11th Sep 2025242 PMAQI
11th Sep 2025223 PMAQI
11th Sep 2025214 PMAQI
11th Sep 2025195 PMAQI
11th Sep 2025206 PMAQI
11th Sep 2025237 PMAQI
11th Sep 2025238 PMAQI
11th Sep 2025239 PMAQI
11th Sep 20252310 PMAQI
11th Sep 20252211 PMAQI
12th Sep 20252212 AMAQI
12th Sep 2025221 AMAQI
12th Sep 2025222 AMAQI
12th Sep 2025213 AMAQI
12th Sep 2025224 AMAQI
12th Sep 2025205 AMAQI
15°C14/17°C
12th Sep 2025196 AMAQI
12th Sep 2025247 AMAQI
12th Sep 2025228 AMAQI
12th Sep 2025259 AMAQI
12th Sep 20252410 AMAQI
12th Sep 20252411 AMAQI
12th Sep 20252212 PMAQI
12th Sep 2025211 PMAQI
12th Sep 2025192 PMAQI
12th Sep 2025203 PMAQI
12th Sep 2025204 PMAQI
12th Sep 2025195 PMAQI
12th Sep 2025206 PMAQI
12th Sep 2025207 PMAQI
12th Sep 2025208 PMAQI
12th Sep 2025219 PMAQI
12th Sep 20252110 PMAQI
12th Sep 20252011 PMAQI
13th Sep 20252012 AMAQI
13th Sep 2025191 AMAQI
13th Sep 2025172 AMAQI
13th Sep 2025193 AMAQI
13th Sep 2025184 AMAQI
13th Sep 2025185 AMAQI
15°C13/17°C
13th Sep 2025196 AMAQI
13th Sep 2025177 AMAQI
13th Sep 2025178 AMAQI
13th Sep 2025179 AMAQI
13th Sep 20251810 AMAQI
13th Sep 20252111 AMAQI
13th Sep 20252012 PMAQI
13th Sep 2025211 PMAQI
13th Sep 2025192 PMAQI
13th Sep 2025173 PMAQI
13th Sep 2025174 PMAQI
13th Sep 2025185 PMAQI
13th Sep 2025206 PMAQI
13th Sep 2025187 PMAQI
13th Sep 2025198 PMAQI
13th Sep 2025189 PMAQI
13th Sep 20251810 PMAQI
13th Sep 20251811 PMAQI
14th Sep 20251812 AMAQI
14th Sep 2025181 AMAQI
14th Sep 2025212 AMAQI
14th Sep 2025233 AMAQI
14th Sep 2025204 AMAQI
14th Sep 2025205 AMAQI
15°C12/17°C
14th Sep 2025206 AMAQI
14th Sep 2025217 AMAQI
14th Sep 2025208 AMAQI
14th Sep 2025189 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20252111 AMAQI
14th Sep 20252212 PMAQI
14th Sep 2025211 PMAQI
14th Sep 2025212 PMAQI
14th Sep 2025203 PMAQI
14th Sep 2025204 PMAQI
14th Sep 2025195 PMAQI
14th Sep 2025206 PMAQI
14th Sep 2025187 PMAQI
14th Sep 2025208 PMAQI
14th Sep 2025189 PMAQI
14th Sep 20251910 PMAQI
14th Sep 20252011 PMAQI
15th Sep 20252012 AMAQI
15th Sep 2025251 AMAQI
15th Sep 2025262 AMAQI
15th Sep 2025273 AMAQI
15th Sep 2025304 AMAQI
15th Sep 2025285 AMAQI
15°C12/18°C
15th Sep 2025306 AMAQI
15th Sep 2025357 AMAQI
15th Sep 2025368 AMAQI
15th Sep 2025389 AMAQI
15th Sep 20253210 AMAQI
15th Sep 20254011 AMAQI
15th Sep 20252812 PMAQI
15th Sep 2025301 PMAQI
15th Sep 2025312 PMAQI
15th Sep 2025273 PMAQI
15th Sep 2025274 PMAQI
15th Sep 2025275 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025267 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20252910 PMAQI
15th Sep 20252711 PMAQI
16th Sep 20252912 AMAQI
16th Sep 2025261 AMAQI
16th Sep 2025292 AMAQI
16th Sep 2025243 AMAQI
16th Sep 2025314 AMAQI
16th Sep 2025325 AMAQI
16°C14/17°C
16th Sep 2025276 AMAQI
16th Sep 2025277 AMAQI
16th Sep 2025278 AMAQI
16th Sep 2025279 AMAQI
16th Sep 20252610 AMAQI
16th Sep 20252811 AMAQI
16th Sep 20252712 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025252 PMAQI
16th Sep 2025263 PMAQI
16th Sep 2025264 PMAQI
16th Sep 2025265 PMAQI
16th Sep 2025266 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025288 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20252810 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20252912 AMAQI
17th Sep 2025251 AMAQI
17th Sep 2025182 AMAQI
17th Sep 2025173 AMAQI
17th Sep 2025224 AMAQI
17th Sep 2025215 AMAQI
15°C14/17°C
17th Sep 2025186 AMAQI
17th Sep 2025187 AMAQI
17th Sep 2025188 AMAQI
17th Sep 2025239 AMAQI
17th Sep 20252310 AMAQI
17th Sep 20252311 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025241 PMAQI
17th Sep 2025212 PMAQI
17th Sep 2025223 PMAQI
17th Sep 2025224 PMAQI
17th Sep 2025225 PMAQI
17th Sep 2025216 PMAQI
17th Sep 2025217 PMAQI
17th Sep 2025218 PMAQI
17th Sep 2025219 PMAQI
17th Sep 20252210 PMAQI
17th Sep 20252211 PMAQI
18th Sep 20252212 AMAQI
18th Sep 2025201 AMAQI
18th Sep 2025182 AMAQI
18th Sep 2025183 AMAQI
18th Sep 2025184 AMAQI
18th Sep 2025195 AMAQI
17°C14/18°C
18th Sep 2025186 AMAQI
18th Sep 2025187 AMAQI
18th Sep 2025188 AMAQI
18th Sep 2025199 AMAQI
18th Sep 20252010 AMAQI
18th Sep 20252211 AMAQI
18th Sep 20252012 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025192 PMAQI
18th Sep 2025193 PMAQI
18th Sep 2025204 PMAQI
18th Sep 2025195 PMAQI
18th Sep 2025196 PMAQI
18th Sep 2025207 PMAQI
18th Sep 2025198 PMAQI
18th Sep 2025189 PMAQI
18th Sep 20251910 PMAQI
18th Sep 20252011 PMAQI
19th Sep 20251912 AMAQI
19th Sep 2025191 AMAQI
19th Sep 2025172 AMAQI
19th Sep 2025183 AMAQI
19th Sep 2025174 AMAQI
19th Sep 2025195 AMAQI
18°C17/20°C
19th Sep 2025196 AMAQI
19th Sep 2025207 AMAQI
19th Sep 2025208 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252210 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025211 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025193 PMAQI
19th Sep 2025194 PMAQI
19th Sep 2025195 PMAQI
19th Sep 2025196 PMAQI
19th Sep 2025217 PMAQI
19th Sep 2025208 PMAQI
19th Sep 2025209 PMAQI
19th Sep 20252010 PMAQI
19th Sep 20252211 PMAQI
20th Sep 20252012 AMAQI
20th Sep 2025221 AMAQI
20th Sep 2025242 AMAQI
20th Sep 2025223 AMAQI
20th Sep 2025214 AMAQI
20th Sep 2025235 AMAQI
17°C15/20°C
20th Sep 2025246 AMAQI
20th Sep 2025237 AMAQI
20th Sep 2025238 AMAQI
20th Sep 2025249 AMAQI
20th Sep 20252510 AMAQI
20th Sep 20252311 AMAQI
20th Sep 20252512 PMAQI
20th Sep 2025241 PMAQI
20th Sep 2025242 PMAQI
20th Sep 2025233 PMAQI
20th Sep 2025244 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025247 PMAQI
20th Sep 2025238 PMAQI
20th Sep 2025239 PMAQI
20th Sep 20252310 PMAQI
20th Sep 20252211 PMAQI
21st Sep 20252312 AMAQI
21st Sep 2025211 AMAQI
21st Sep 2025172 AMAQI
21st Sep 2025183 AMAQI
21st Sep 2025174 AMAQI
21st Sep 2025195 AMAQI
16°C12/18°C
21st Sep 2025186 AMAQI
21st Sep 2025187 AMAQI
21st Sep 2025188 AMAQI
21st Sep 2025189 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20251711 AMAQI
21st Sep 20251912 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025202 PMAQI
21st Sep 2025193 PMAQI
21st Sep 2025184 PMAQI
21st Sep 2025195 PMAQI
21st Sep 2025196 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025189 PMAQI
21st Sep 20251910 PMAQI
21st Sep 20251811 PMAQI
22nd Sep 20251812 AMAQI
22nd Sep 2025181 AMAQI
22nd Sep 2025192 AMAQI
22nd Sep 2025173 AMAQI
22nd Sep 2025184 AMAQI
22nd Sep 2025185 AMAQI
13°C9/15°C
22nd Sep 2025166 AMAQI
22nd Sep 2025167 AMAQI
22nd Sep 2025188 AMAQI
22nd Sep 2025189 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251811 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025171 PMAQI
22nd Sep 2025172 PMAQI
22nd Sep 2025173 PMAQI
22nd Sep 2025174 PMAQI
22nd Sep 2025175 PMAQI
22nd Sep 2025176 PMAQI
22nd Sep 2025177 PMAQI
22nd Sep 2025188 PMAQI
22nd Sep 2025189 PMAQI
22nd Sep 20251810 PMAQI
22nd Sep 20251711 PMAQI
23rd Sep 20251712 AMAQI
23rd Sep 2025191 AMAQI
23rd Sep 2025182 AMAQI
23rd Sep 2025203 AMAQI
23rd Sep 2025194 AMAQI
23rd Sep 2025175 AMAQI
12°C9/16°C
23rd Sep 2025186 AMAQI
23rd Sep 2025177 AMAQI
23rd Sep 2025188 AMAQI
23rd Sep 2025189 AMAQI
23rd Sep 20251710 AMAQI
23rd Sep 20251811 AMAQI
23rd Sep 20251812 PMAQI
23rd Sep 2025181 PMAQI
23rd Sep 2025172 PMAQI
23rd Sep 2025173 PMAQI
23rd Sep 2025174 PMAQI
23rd Sep 2025175 PMAQI
23rd Sep 2025186 PMAQI
23rd Sep 2025177 PMAQI
23rd Sep 2025188 PMAQI
23rd Sep 2025189 PMAQI
23rd Sep 20251710 PMAQI
23rd Sep 20251911 PMAQI
24th Sep 20251812 AMAQI
24th Sep 2025171 AMAQI
24th Sep 2025172 AMAQI
24th Sep 2025173 AMAQI
24th Sep 2025184 AMAQI
24th Sep 2025185 AMAQI
12°C8/17°C
24th Sep 2025186 AMAQI
24th Sep 2025187 AMAQI
24th Sep 2025178 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20251812 PMAQI
24th Sep 2025171 PMAQI
24th Sep 2025162 PMAQI
24th Sep 2025163 PMAQI
24th Sep 2025174 PMAQI
24th Sep 2025165 PMAQI
24th Sep 2025166 PMAQI
24th Sep 2025177 PMAQI
24th Sep 2025178 PMAQI
24th Sep 2025189 PMAQI
24th Sep 20251810 PMAQI
24th Sep 20251811 PMAQI
25th Sep 20251712 AMAQI
25th Sep 2025181 AMAQI
25th Sep 2025182 AMAQI
25th Sep 2025163 AMAQI
25th Sep 2025164 AMAQI
25th Sep 2025185 AMAQI
13°C10/18°C
25th Sep 2025196 AMAQI
25th Sep 2025197 AMAQI
25th Sep 2025178 AMAQI
25th Sep 2025209 AMAQI
25th Sep 20251710 AMAQI
25th Sep 20251811 AMAQI
25th Sep 20252012 PMAQI
25th Sep 2025211 PMAQI
25th Sep 2025242 PMAQI
25th Sep 2025273 PMAQI
25th Sep 2025274 PMAQI
25th Sep 2025295 PMAQI
25th Sep 2025306 PMAQI
25th Sep 2025287 PMAQI
25th Sep 2025238 PMAQI
25th Sep 2025189 PMAQI
25th Sep 20251810 PMAQI
25th Sep 20252111 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025201 AMAQI
26th Sep 2025192 AMAQI
26th Sep 2025223 AMAQI
26th Sep 2025204 AMAQI
26th Sep 2025185 AMAQI
13°C10/18°C
26th Sep 2025206 AMAQI
26th Sep 2025197 AMAQI
26th Sep 2025188 AMAQI
26th Sep 2025209 AMAQI
26th Sep 20251710 AMAQI
26th Sep 20251711 AMAQI
26th Sep 20251812 PMAQI
26th Sep 2025181 PMAQI
26th Sep 2025172 PMAQI
26th Sep 2025173 PMAQI
26th Sep 2025184 PMAQI
26th Sep 2025195 PMAQI
26th Sep 2025186 PMAQI
26th Sep 2025207 PMAQI
26th Sep 2025228 PMAQI
26th Sep 2025239 PMAQI
26th Sep 20252810 PMAQI
26th Sep 20253611 PMAQI
27th Sep 20254212 AMAQI
27th Sep 2025321 AMAQI
27th Sep 2025302 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025244 AMAQI
27th Sep 2025245 AMAQI
12°C10/15°C
27th Sep 2025226 AMAQI
27th Sep 2025227 AMAQI
27th Sep 2025228 AMAQI
27th Sep 2025249 AMAQI
27th Sep 20252810 AMAQI
27th Sep 20253111 AMAQI
27th Sep 20253312 PMAQI
27th Sep 2025321 PMAQI
27th Sep 2025282 PMAQI
27th Sep 2025273 PMAQI
27th Sep 2025284 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025286 PMAQI
27th Sep 2025267 PMAQI
27th Sep 2025248 PMAQI
27th Sep 2025239 PMAQI
27th Sep 20252310 PMAQI
27th Sep 20252311 PMAQI
28th Sep 20252212 AMAQI
28th Sep 2025221 AMAQI
28th Sep 2025202 AMAQI
28th Sep 2025243 AMAQI
28th Sep 2025224 AMAQI
28th Sep 2025225 AMAQI
14°C12/16°C
28th Sep 2025226 AMAQI
28th Sep 2025227 AMAQI
28th Sep 2025218 AMAQI
28th Sep 2025229 AMAQI
28th Sep 20252210 AMAQI
28th Sep 20252211 AMAQI
28th Sep 20252112 PMAQI
28th Sep 2025221 PMAQI
28th Sep 2025222 PMAQI
28th Sep 2025223 PMAQI
28th Sep 2025204 PMAQI
28th Sep 2025205 PMAQI
28th Sep 2025206 PMAQI
28th Sep 2025227 PMAQI
28th Sep 2025238 PMAQI
28th Sep 2025309 PMAQI
28th Sep 20253710 PMAQI
28th Sep 20254011 PMAQI
29th Sep 20254312 AMAQI
29th Sep 2025401 AMAQI
29th Sep 2025272 AMAQI
29th Sep 2025263 AMAQI
29th Sep 2025214 AMAQI
29th Sep 2025215 AMAQI
15°C12/17°C
29th Sep 2025186 AMAQI
6 AM29th Sep 2025207 AMAQI
29th Sep 2025288 AMAQI
29th Sep 2025139 AMAQI
29th Sep 20251510 AMAQI
29th Sep 20251211 AMAQI
12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
9 AM
24AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
22AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 24), while the lowest AQI was between 6 AM to 6 AM (Avg. 22).
Night time
Avg. Highest Time
12 AM
23AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 9 PM
22AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 23), while the lowest AQI was between 1 AM to 9 PM (Avg. 22).
2025 Days Vs Air Quality
Cosham, Portsmouth, United Kingdom
2025
79%
212
21%
56
0.7%
2
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Good
212 DaysModerate
56 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 272 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
Cosham, Portsmouth, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
34AQI
34AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
40AQI
40AQI
4th January 2025
59AQI
59AQI
5th January 2025
29AQI
29AQI
6th January 2025
27AQI
27AQI
7th January 2025
24AQI
24AQI
8th January 2025
31AQI
31AQI
9th January 2025
40AQI
40AQI
10th January 2025
49AQI
49AQI
11th January 2025
60AQI
60AQI
12th January 2025
64AQI
64AQI
13th January 2025
53AQI
53AQI
14th January 2025
54AQI
54AQI
15th January 2025
54AQI
54AQI
16th January 2025
55AQI
55AQI
17th January 2025
52AQI
52AQI
18th January 2025
62AQI
62AQI
19th January 2025
65AQI
65AQI
20th January 2025
57AQI
57AQI
21st January 2025
67AQI
67AQI
22nd January 2025
68AQI
68AQI
23rd January 2025
53AQI
53AQI
24th January 2025
43AQI
43AQI
25th January 2025
36AQI
36AQI
26th January 2025
42AQI
42AQI
27th January 2025
35AQI
35AQI
28th January 2025
33AQI
33AQI
29th January 2025
27AQI
27AQI
30th January 2025
27AQI
27AQI
31st January 2025
32AQI
32AQI
1st February 2025
30AQI
30AQI
2nd February 2025
42AQI
42AQI
3rd February 2025
57AQI
57AQI
4th February 2025
37AQI
37AQI
5th February 2025
37AQI
37AQI
6th February 2025
49AQI
49AQI
7th February 2025
37AQI
37AQI
8th February 2025
63AQI
63AQI
9th February 2025
46AQI
46AQI
10th February 2025
86AQI
86AQI
11th February 2025
77AQI
77AQI
12th February 2025
75AQI
75AQI
13th February 2025
71AQI
71AQI
14th February 2025
65AQI
65AQI
15th February 2025
84AQI
84AQI
16th February 2025
70AQI
70AQI
17th February 2025
68AQI
68AQI
18th February 2025
71AQI
71AQI
19th February 2025
78AQI
78AQI
20th February 2025
54AQI
54AQI
21st February 2025
34AQI
34AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
40AQI
40AQI
24th February 2025
31AQI
31AQI
25th February 2025
34AQI
34AQI
26th February 2025
30AQI
30AQI
27th February 2025
26AQI
26AQI
28th February 2025
37AQI
37AQI
1st March 2025
46AQI
46AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
81AQI
81AQI
4th March 2025
80AQI
80AQI
5th March 2025
108AQI
108AQI
6th March 2025
87AQI
87AQI
7th March 2025
54AQI
54AQI
8th March 2025
56AQI
56AQI
9th March 2025
64AQI
64AQI
10th March 2025
101AQI
101AQI
11th March 2025
91AQI
91AQI
12th March 2025
36AQI
36AQI
13th March 2025
28AQI
28AQI
14th March 2025
37AQI
37AQI
15th March 2025
29AQI
29AQI
16th March 2025
29AQI
29AQI
17th March 2025
26AQI
26AQI
18th March 2025
48AQI
48AQI
19th March 2025
61AQI
61AQI
20th March 2025
64AQI
64AQI
21st March 2025
57AQI
57AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
52AQI
52AQI
24th March 2025
84AQI
84AQI
25th March 2025
81AQI
81AQI
26th March 2025
47AQI
47AQI
27th March 2025
47AQI
47AQI
28th March 2025
31AQI
31AQI
29th March 2025
25AQI
25AQI
30th March 2025
30AQI
30AQI
31st March 2025
34AQI
34AQI
1st April 2025
38AQI
38AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
56AQI
56AQI
4th April 2025
63AQI
63AQI
5th April 2025
51AQI
51AQI
6th April 2025
30AQI
30AQI
7th April 2025
34AQI
34AQI
8th April 2025
50AQI
50AQI
9th April 2025
44AQI
44AQI
10th April 2025
41AQI
41AQI
11th April 2025
63AQI
63AQI
12th April 2025
59AQI
59AQI
13th April 2025
49AQI
49AQI
14th April 2025
24AQI
24AQI
15th April 2025
39AQI
39AQI
16th April 2025
21AQI
21AQI
17th April 2025
26AQI
26AQI
18th April 2025
33AQI
33AQI
19th April 2025
33AQI
33AQI
20th April 2025
31AQI
31AQI
21st April 2025
54AQI
54AQI
22nd April 2025
25AQI
25AQI
23rd April 2025
23AQI
23AQI
24th April 2025
45AQI
45AQI
25th April 2025
52AQI
52AQI
26th April 2025
56AQI
56AQI
27th April 2025
62AQI
62AQI
28th April 2025
51AQI
51AQI
29th April 2025
50AQI
50AQI
30th April 2025
56AQI
56AQI
1st May 2025
51AQI
51AQI
2nd May 2025
49AQI
49AQI
3rd May 2025
36AQI
36AQI
4th May 2025
20AQI
20AQI
5th May 2025
19AQI
19AQI
6th May 2025
20AQI
20AQI
7th May 2025
20AQI
20AQI
8th May 2025
20AQI
20AQI
9th May 2025
23AQI
23AQI
10th May 2025
23AQI
23AQI
11th May 2025
24AQI
24AQI
12th May 2025
23AQI
23AQI
13th May 2025
25AQI
25AQI
14th May 2025
27AQI
27AQI
15th May 2025
28AQI
28AQI
16th May 2025
26AQI
26AQI
17th May 2025
26AQI
26AQI
18th May 2025
31AQI
31AQI
19th May 2025
29AQI
29AQI
20th May 2025
24AQI
24AQI
21st May 2025
27AQI
27AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
23AQI
23AQI
24th May 2025
24AQI
24AQI
25th May 2025
20AQI
20AQI
26th May 2025
22AQI
22AQI
27th May 2025
21AQI
21AQI
28th May 2025
19AQI
19AQI
29th May 2025
21AQI
21AQI
30th May 2025
19AQI
19AQI
31st May 2025
22AQI
22AQI
1st June 2025
22AQI
22AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
22AQI
22AQI
4th June 2025
20AQI
20AQI
5th June 2025
19AQI
19AQI
6th June 2025
18AQI
18AQI
7th June 2025
17AQI
17AQI
8th June 2025
19AQI
19AQI
9th June 2025
41AQI
41AQI
10th June 2025
40AQI
40AQI
11th June 2025
32AQI
32AQI
12th June 2025
32AQI
32AQI
13th June 2025
33AQI
33AQI
14th June 2025
32AQI
32AQI
15th June 2025
26AQI
26AQI
16th June 2025
24AQI
24AQI
17th June 2025
25AQI
25AQI
18th June 2025
26AQI
26AQI
19th June 2025
28AQI
28AQI
20th June 2025
32AQI
32AQI
21st June 2025
32AQI
32AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
25AQI
25AQI
24th June 2025
23AQI
23AQI
25th June 2025
21AQI
21AQI
26th June 2025
19AQI
19AQI
27th June 2025
20AQI
20AQI
28th June 2025
19AQI
19AQI
29th June 2025
18AQI
18AQI
30th June 2025
21AQI
21AQI
1st July 2025
28AQI
28AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
20AQI
20AQI
4th July 2025
19AQI
19AQI
5th July 2025
19AQI
19AQI
6th July 2025
18AQI
18AQI
7th July 2025
19AQI
19AQI
8th July 2025
19AQI
19AQI
9th July 2025
20AQI
20AQI
10th July 2025
21AQI
21AQI
11th July 2025
23AQI
23AQI
12th July 2025
22AQI
22AQI
13th July 2025
24AQI
24AQI
14th July 2025
29AQI
29AQI
15th July 2025
27AQI
27AQI
16th July 2025
27AQI
27AQI
17th July 2025
24AQI
24AQI
18th July 2025
22AQI
22AQI
19th July 2025
21AQI
21AQI
20th July 2025
20AQI
20AQI
21st July 2025
18AQI
18AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
18AQI
18AQI
24th July 2025
34AQI
34AQI
25th July 2025
41AQI
41AQI
26th July 2025
43AQI
43AQI
27th July 2025
30AQI
30AQI
28th July 2025
30AQI
30AQI
29th July 2025
25AQI
25AQI
30th July 2025
23AQI
23AQI
31st July 2025
22AQI
22AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
24AQI
24AQI
4th August 2025
24AQI
24AQI
5th August 2025
23AQI
23AQI
6th August 2025
29AQI
29AQI
7th August 2025
31AQI
31AQI
8th August 2025
33AQI
33AQI
9th August 2025
27AQI
27AQI
10th August 2025
28AQI
28AQI
11th August 2025
43AQI
43AQI
12th August 2025
52AQI
52AQI
13th August 2025
56AQI
56AQI
14th August 2025
52AQI
52AQI
15th August 2025
38AQI
38AQI
16th August 2025
43AQI
43AQI
17th August 2025
38AQI
38AQI
18th August 2025
30AQI
30AQI
19th August 2025
29AQI
29AQI
20th August 2025
30AQI
30AQI
21st August 2025
28AQI
28AQI
22nd August 2025
24AQI
24AQI
23rd August 2025
25AQI
25AQI
24th August 2025
29AQI
29AQI
25th August 2025
31AQI
31AQI
26th August 2025
32AQI
32AQI
27th August 2025
30AQI
30AQI
28th August 2025
27AQI
27AQI
29th August 2025
24AQI
24AQI
30th August 2025
22AQI
22AQI
31st August 2025
23AQI
23AQI
1st September 2025
26AQI
26AQI
2nd September 2025
24AQI
24AQI
3rd September 2025
27AQI
27AQI
4th September 2025
21AQI
21AQI
5th September 2025
21AQI
21AQI
6th September 2025
21AQI
21AQI
7th September 2025
24AQI
24AQI
8th September 2025
24AQI
24AQI
9th September 2025
22AQI
22AQI
10th September 2025
22AQI
22AQI
11th September 2025
22AQI
22AQI
12th September 2025
21AQI
21AQI
13th September 2025
19AQI
19AQI
14th September 2025
20AQI
20AQI
15th September 2025
28AQI
28AQI
16th September 2025
28AQI
28AQI
17th September 2025
23AQI
23AQI
18th September 2025
20AQI
20AQI
19th September 2025
20AQI
20AQI
20th September 2025
23AQI
23AQI
21st September 2025
19AQI
19AQI
22nd September 2025
17AQI
17AQI
23rd September 2025
18AQI
18AQI
24th September 2025
17AQI
17AQI
25th September 2025
20AQI
20AQI
26th September 2025
21AQI
21AQI
27th September 2025
30AQI
30AQI
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
45AQI
53AQI
55AQI
43AQI
25AQI
25AQI
24AQI
31AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
17
14
15
13
15
14
2
19
11
30
1
30
31
28
3
27
212
56
2
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
September22AQI
202425AQI
31
28
1
29
2
29
1
31
30
31
31
3
13
17
13
27
4
300
21
Highest AQI recorded in
November46AQI
Lowest AQI recorded in
September18AQI
202321AQI
12
11
28
2
30
1
30
31
31
30
31
29
31
294
3
Highest AQI recorded in
April25AQI
Lowest AQI recorded in
March18AQI
202219AQI
16
16
Highest AQI recorded in
November19AQI
Lowest AQI recorded in
November19AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2022(Avg.)
19AQICosham's annual 2025 AQI (36) shows an average percentage change of 69.3% (worsened AQI) compared to previous years: 2022 (19), 2023 (21), 2024 (25).
