Impasse Croiseur Montcalm, Brest, Bretagne, France 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
Impasse Croiseur Montcalm, Brest, Bretagne, France
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2025
26AQILowest AQI recorded on
9th Aug 2023
0AQISame Day Analysis (10th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Impasse Croiseur Montcalm, Brest, Bretagne, France
AQI
Day
Night
.
6 AM10th Aug 2025
10 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
3PM10th Aug
24AQI
Avg. Lowest Time
12PM10th Aug
20AQI
Night time
Avg. Highest Time
4AM11th Aug
28AQI
Avg. Lowest Time
6AM10th Aug
21AQI
In the last 24 hours,
Impasse Croiseur Montcalm's AQI reached its highest point of 28 at 4 AM during the Night, while the lowest point, 20, was recorded at 12 PM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Impasse Croiseur Montcalm, Brest, Bretagne, France
JulAug
12th - 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 - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025206 AMAQI
12th Jul 2025217 AMAQI
12th Jul 2025218 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20251912 PMAQI
12th Jul 2025181 PMAQI
12th Jul 2025182 PMAQI
12th Jul 2025213 PMAQI
12th Jul 2025214 PMAQI
12th Jul 2025205 PMAQI
12th Jul 2025206 PMAQI
12th Jul 2025227 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025219 PMAQI
12th Jul 20252110 PMAQI
12th Jul 20252111 PMAQI
13th Jul 20252112 AMAQI
13th Jul 2025221 AMAQI
13th Jul 2025202 AMAQI
13th Jul 2025263 AMAQI
13th Jul 2025194 AMAQI
13th Jul 2025205 AMAQI
24°C18/30°C
13th Jul 2025216 AMAQI
13th Jul 2025227 AMAQI
13th Jul 2025228 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025211 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025263 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025276 PMAQI
13th Jul 2025257 PMAQI
13th Jul 2025248 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025241 AMAQI
14th Jul 2025202 AMAQI
14th Jul 2025183 AMAQI
14th Jul 2025174 AMAQI
14th Jul 2025205 AMAQI
21°C17/26°C
14th Jul 2025216 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025239 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025191 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252212 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025162 AMAQI
15th Jul 2025143 AMAQI
15th Jul 2025154 AMAQI
15th Jul 2025165 AMAQI
18°C15/21°C
15th Jul 2025186 AMAQI
15th Jul 2025187 AMAQI
15th Jul 2025188 AMAQI
15th Jul 2025189 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20251712 PMAQI
15th Jul 2025181 PMAQI
15th Jul 2025202 PMAQI
15th Jul 2025203 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025278 PMAQI
15th Jul 2025259 PMAQI
15th Jul 20253010 PMAQI
15th Jul 20252111 PMAQI
16th Jul 20252112 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025243 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025255 AMAQI
17°C14/21°C
16th Jul 2025266 AMAQI
16th Jul 2025277 AMAQI
16th Jul 2025288 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20252911 AMAQI
16th Jul 20252712 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025274 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025256 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025269 PMAQI
16th Jul 20252710 PMAQI
16th Jul 20252611 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025281 AMAQI
17th Jul 2025182 AMAQI
17th Jul 2025153 AMAQI
17th Jul 2025154 AMAQI
17th Jul 2025155 AMAQI
19°C16/22°C
17th Jul 2025186 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251711 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025161 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025194 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025219 PMAQI
17th Jul 20252010 PMAQI
17th Jul 20252211 PMAQI
18th Jul 20252212 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025163 AMAQI
18th Jul 2025154 AMAQI
18th Jul 2025165 AMAQI
19°C15/24°C
18th Jul 2025196 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025189 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025184 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025187 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025162 AMAQI
19th Jul 2025143 AMAQI
19th Jul 2025194 AMAQI
19th Jul 2025175 AMAQI
17°C14/22°C
19th Jul 2025186 AMAQI
19th Jul 2025187 AMAQI
19th Jul 2025178 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251710 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251512 PMAQI
19th Jul 2025161 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025198 PMAQI
19th Jul 2025189 PMAQI
19th Jul 20252010 PMAQI
19th Jul 20252111 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025191 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025184 AMAQI
20th Jul 2025195 AMAQI
17°C15/21°C
20th Jul 2025186 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025168 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025161 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025196 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025199 PMAQI
20th Jul 20251910 PMAQI
20th Jul 20252011 PMAQI
21st Jul 20251912 AMAQI
21st Jul 2025201 AMAQI
21st Jul 2025132 AMAQI
21st Jul 2025143 AMAQI
21st Jul 2025174 AMAQI
21st Jul 2025175 AMAQI
16°C15/19°C
21st Jul 2025196 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025179 AMAQI
21st Jul 20251710 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251612 PMAQI
21st Jul 2025141 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025176 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025188 PMAQI
21st Jul 2025179 PMAQI
21st Jul 20251810 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025181 AMAQI
22nd Jul 2025142 AMAQI
22nd Jul 2025133 AMAQI
22nd Jul 2025154 AMAQI
22nd Jul 2025155 AMAQI
17°C15/19°C
22nd Jul 2025156 AMAQI
22nd Jul 2025157 AMAQI
22nd Jul 2025148 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20251311 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025155 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025158 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251612 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025152 AMAQI
23rd Jul 2025123 AMAQI
23rd Jul 2025174 AMAQI
23rd Jul 2025165 AMAQI
17°C15/19°C
23rd Jul 2025146 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251510 AMAQI
23rd Jul 20251411 AMAQI
23rd Jul 20251312 PMAQI
23rd Jul 2025121 PMAQI
23rd Jul 2025142 PMAQI
23rd Jul 2025153 PMAQI
23rd Jul 2025154 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025179 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251811 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025161 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025564 AMAQI
24th Jul 2025575 AMAQI
17°C14/20°C
24th Jul 2025526 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025519 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254611 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025544 AMAQI
25th Jul 2025545 AMAQI
17°C14/21°C
25th Jul 2025556 AMAQI
25th Jul 2025567 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025312 AMAQI
26th Jul 2025203 AMAQI
26th Jul 2025244 AMAQI
26th Jul 2025265 AMAQI
17°C14/21°C
26th Jul 2025296 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252512 PMAQI
26th Jul 2025271 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025252 AMAQI
27th Jul 2025153 AMAQI
27th Jul 2025164 AMAQI
27th Jul 2025145 AMAQI
17°C15/20°C
27th Jul 2025186 AMAQI
27th Jul 2025197 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025239 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025154 AMAQI
28th Jul 2025165 AMAQI
16°C13/18°C
28th Jul 2025206 AMAQI
28th Jul 2025207 AMAQI
28th Jul 2025218 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252110 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025224 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252110 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252112 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025173 AMAQI
29th Jul 2025144 AMAQI
29th Jul 2025145 AMAQI
17°C14/21°C
29th Jul 2025166 AMAQI
29th Jul 2025167 AMAQI
29th Jul 2025178 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20251710 AMAQI
29th Jul 20251611 AMAQI
29th Jul 20251612 PMAQI
29th Jul 2025161 PMAQI
29th Jul 2025172 PMAQI
29th Jul 2025173 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025175 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025178 PMAQI
29th Jul 2025179 PMAQI
29th Jul 20251810 PMAQI
29th Jul 20251811 PMAQI
30th Jul 20251812 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025152 AMAQI
30th Jul 2025133 AMAQI
30th Jul 2025144 AMAQI
30th Jul 2025125 AMAQI
17°C15/20°C
30th Jul 2025156 AMAQI
30th Jul 2025167 AMAQI
30th Jul 2025158 AMAQI
30th Jul 2025169 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20251911 AMAQI
30th Jul 20251712 PMAQI
30th Jul 2025161 PMAQI
30th Jul 2025172 PMAQI
30th Jul 2025173 PMAQI
30th Jul 2025174 PMAQI
30th Jul 2025175 PMAQI
30th Jul 2025176 PMAQI
30th Jul 2025177 PMAQI
30th Jul 2025178 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 2025183 AMAQI
31st Jul 2025154 AMAQI
31st Jul 2025135 AMAQI
19°C16/22°C
31st Jul 2025156 AMAQI
31st Jul 2025157 AMAQI
31st Jul 2025158 AMAQI
31st Jul 2025159 AMAQI
31st Jul 20251610 AMAQI
31st Jul 20251511 AMAQI
31st Jul 20251412 PMAQI
31st Jul 2025161 PMAQI
31st Jul 2025172 PMAQI
31st Jul 2025193 PMAQI
31st Jul 2025184 PMAQI
31st Jul 2025185 PMAQI
31st Jul 2025176 PMAQI
31st Jul 2025177 PMAQI
31st Jul 2025178 PMAQI
31st Jul 2025219 PMAQI
31st Jul 20252010 PMAQI
31st Jul 20251911 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025191 AMAQI
1st Aug 2025192 AMAQI
1st Aug 2025173 AMAQI
1st Aug 2025194 AMAQI
1st Aug 2025215 AMAQI
18°C15/21°C
1st Aug 2025206 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025198 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025211 PMAQI
1st Aug 2025202 PMAQI
1st Aug 2025203 PMAQI
1st Aug 2025194 PMAQI
1st Aug 2025195 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025211 AMAQI
2nd Aug 2025192 AMAQI
2nd Aug 2025193 AMAQI
2nd Aug 2025194 AMAQI
2nd Aug 2025185 AMAQI
17°C14/21°C
2nd Aug 2025206 AMAQI
2nd Aug 2025207 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025189 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025191 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025205 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252110 PMAQI
2nd Aug 20252011 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025223 AMAQI
3rd Aug 2025184 AMAQI
3rd Aug 2025205 AMAQI
17°C13/20°C
3rd Aug 2025186 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025218 AMAQI
3rd Aug 2025219 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20252011 AMAQI
3rd Aug 20251812 PMAQI
3rd Aug 2025211 PMAQI
3rd Aug 2025202 PMAQI
3rd Aug 2025193 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025206 PMAQI
3rd Aug 2025197 PMAQI
3rd Aug 2025208 PMAQI
3rd Aug 2025229 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252112 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025242 AMAQI
4th Aug 2025223 AMAQI
4th Aug 2025264 AMAQI
4th Aug 2025225 AMAQI
18°C14/22°C
4th Aug 2025206 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025208 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252112 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025244 PMAQI
4th Aug 2025235 PMAQI
4th Aug 2025246 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025222 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025204 AMAQI
5th Aug 2025225 AMAQI
19°C16/23°C
5th Aug 2025236 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252210 AMAQI
5th Aug 20252711 AMAQI
5th Aug 20252212 PMAQI
5th Aug 2025251 PMAQI
5th Aug 2025242 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025245 PMAQI
5th Aug 2025236 PMAQI
5th Aug 2025237 PMAQI
5th Aug 2025228 PMAQI
5th Aug 2025229 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025241 AMAQI
6th Aug 2025242 AMAQI
6th Aug 2025243 AMAQI
6th Aug 2025284 AMAQI
6th Aug 2025255 AMAQI
17°C14/20°C
6th Aug 2025246 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025258 AMAQI
6th Aug 2025259 AMAQI
6th Aug 20252810 AMAQI
6th Aug 20252411 AMAQI
6th Aug 20252712 PMAQI
6th Aug 2025281 PMAQI
6th Aug 2025292 PMAQI
6th Aug 2025263 PMAQI
6th Aug 2025254 PMAQI
6th Aug 2025265 PMAQI
6th Aug 2025246 PMAQI
6th Aug 2025257 PMAQI
6th Aug 2025268 PMAQI
6th Aug 2025249 PMAQI
6th Aug 20252510 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20252812 AMAQI
7th Aug 2025271 AMAQI
7th Aug 2025252 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025274 AMAQI
7th Aug 2025245 AMAQI
17°C13/22°C
7th Aug 2025256 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025228 AMAQI
7th Aug 2025239 AMAQI
7th Aug 20252410 AMAQI
7th Aug 20252311 AMAQI
7th Aug 20252212 PMAQI
7th Aug 2025211 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025263 PMAQI
7th Aug 2025254 PMAQI
7th Aug 2025265 PMAQI
7th Aug 2025246 PMAQI
7th Aug 2025267 PMAQI
7th Aug 2025268 PMAQI
7th Aug 2025269 PMAQI
7th Aug 20252610 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252712 AMAQI
8th Aug 2025271 AMAQI
8th Aug 2025222 AMAQI
8th Aug 2025183 AMAQI
8th Aug 2025164 AMAQI
8th Aug 2025175 AMAQI
18°C13/23°C
8th Aug 2025236 AMAQI
8th Aug 2025227 AMAQI
8th Aug 2025238 AMAQI
8th Aug 2025249 AMAQI
8th Aug 20252810 AMAQI
8th Aug 20252911 AMAQI
8th Aug 20252612 PMAQI
8th Aug 2025261 PMAQI
8th Aug 2025262 PMAQI
8th Aug 2025253 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025256 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025238 PMAQI
8th Aug 2025239 PMAQI
8th Aug 20252410 PMAQI
8th Aug 20252411 PMAQI
9th Aug 20252412 AMAQI
9th Aug 2025241 AMAQI
9th Aug 2025192 AMAQI
9th Aug 2025193 AMAQI
9th Aug 2025184 AMAQI
9th Aug 2025165 AMAQI
18°C14/21°C
9th Aug 2025186 AMAQI
9th Aug 2025187 AMAQI
9th Aug 2025178 AMAQI
9th Aug 2025179 AMAQI
9th Aug 20251710 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20251712 PMAQI
9th Aug 2025171 PMAQI
9th Aug 2025202 PMAQI
9th Aug 2025203 PMAQI
9th Aug 2025204 PMAQI
9th Aug 2025205 PMAQI
9th Aug 2025206 PMAQI
9th Aug 2025207 PMAQI
9th Aug 2025218 PMAQI
9th Aug 2025209 PMAQI
9th Aug 20252010 PMAQI
9th Aug 20252011 PMAQI
10th Aug 20252012 AMAQI
10th Aug 2025201 AMAQI
10th Aug 2025192 AMAQI
10th Aug 2025183 AMAQI
10th Aug 2025184 AMAQI
10th Aug 2025175 AMAQI
17°C14/21°C
10th Aug 2025216 AMAQI
10th Aug 2025207 AMAQI
10th Aug 2025208 AMAQI
10th Aug 2025229 AMAQI
10th Aug 20252110 AMAQI
10th Aug 20252111 AMAQI
10th Aug 20252012 PMAQI
10th Aug 2025221 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025243 PMAQI
10th Aug 2025244 PMAQI
10th Aug 2025235 PMAQI
10th Aug 2025246 PMAQI
10th Aug 2025247 PMAQI
10th Aug 2025248 PMAQI
10th Aug 2025239 PMAQI
10th Aug 20252310 PMAQI
10th Aug 20252211 PMAQI
11th Aug 20252312 AMAQI
11th Aug 2025241 AMAQI
11th Aug 2025252 AMAQI
11th Aug 2025263 AMAQI
11th Aug 2025284 AMAQI
11th Aug 2025275 AMAQI
19°C13/26°C
11th Aug 2025286 AMAQI
6 AM11th Aug 2025267 AMAQI
11th Aug 2025418 AMAQI
11th Aug 2025389 AMAQI
11th Aug 20254610 AMAQI
11th Aug 20253911 AMAQI
11th Aug 20254412 PMAQI
11th Aug 2025471 PMAQI
11th Aug 2025402 PMAQI
2 PM11th Aug 2025423 PMAQI
11th Aug 2025474 PMAQI
10 PM
2 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 10 PM
23AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
6 AM - 10 PM
23AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 10 PM (Avg. 23), while the lowest AQI was between 6 AM to 10 PM (Avg. 23).
Night time
Avg. Highest Time
12 AM - 1 AM
24AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 5 AM
21AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 24), while the lowest AQI was between 2 AM to 5 AM (Avg. 21).
2025 Days Vs Air Quality
Impasse Croiseur Montcalm, Brest, Bretagne, France
2025
87%
193
13%
29
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
193 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 223 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
Impasse Croiseur Montcalm, Brest, Bretagne, France
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
32AQI
32AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
35AQI
35AQI
4th January 2025
42AQI
42AQI
5th January 2025
34AQI
34AQI
6th January 2025
29AQI
29AQI
7th January 2025
27AQI
27AQI
8th January 2025
38AQI
38AQI
9th January 2025
32AQI
32AQI
10th January 2025
27AQI
27AQI
11th January 2025
32AQI
32AQI
12th January 2025
35AQI
35AQI
13th January 2025
38AQI
38AQI
14th January 2025
57AQI
57AQI
15th January 2025
71AQI
71AQI
16th January 2025
46AQI
46AQI
17th January 2025
56AQI
56AQI
18th January 2025
60AQI
60AQI
19th January 2025
58AQI
58AQI
20th January 2025
54AQI
54AQI
21st January 2025
57AQI
57AQI
22nd January 2025
59AQI
59AQI
23rd January 2025
35AQI
35AQI
24th January 2025
34AQI
34AQI
25th January 2025
29AQI
29AQI
26th January 2025
35AQI
35AQI
27th January 2025
31AQI
31AQI
28th January 2025
33AQI
33AQI
29th January 2025
31AQI
31AQI
30th January 2025
28AQI
28AQI
31st January 2025
33AQI
33AQI
1st February 2025
37AQI
37AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
34AQI
34AQI
4th February 2025
28AQI
28AQI
5th February 2025
40AQI
40AQI
6th February 2025
39AQI
39AQI
7th February 2025
50AQI
50AQI
8th February 2025
37AQI
37AQI
9th February 2025
54AQI
54AQI
10th February 2025
41AQI
41AQI
11th February 2025
65AQI
65AQI
12th February 2025
62AQI
62AQI
13th February 2025
64AQI
64AQI
14th February 2025
38AQI
38AQI
15th February 2025
49AQI
49AQI
16th February 2025
62AQI
62AQI
17th February 2025
74AQI
74AQI
18th February 2025
68AQI
68AQI
19th February 2025
66AQI
66AQI
20th February 2025
36AQI
36AQI
21st February 2025
37AQI
37AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
31AQI
31AQI
24th February 2025
38AQI
38AQI
25th February 2025
36AQI
36AQI
26th February 2025
28AQI
28AQI
27th February 2025
27AQI
27AQI
28th February 2025
33AQI
33AQI
1st March 2025
30AQI
30AQI
2nd March 2025
36AQI
36AQI
3rd March 2025
59AQI
59AQI
4th March 2025
72AQI
72AQI
5th March 2025
78AQI
78AQI
6th March 2025
54AQI
54AQI
7th March 2025
45AQI
45AQI
8th March 2025
33AQI
33AQI
9th March 2025
28AQI
28AQI
10th March 2025
34AQI
34AQI
11th March 2025
56AQI
56AQI
12th March 2025
39AQI
39AQI
13th March 2025
26AQI
26AQI
14th March 2025
34AQI
34AQI
15th March 2025
26AQI
26AQI
16th March 2025
37AQI
37AQI
17th March 2025
50AQI
50AQI
18th March 2025
58AQI
58AQI
19th March 2025
41AQI
41AQI
20th March 2025
34AQI
34AQI
21st March 2025
34AQI
34AQI
22nd March 2025
21AQI
21AQI
23rd March 2025
34AQI
34AQI
24th March 2025
56AQI
56AQI
25th March 2025
60AQI
60AQI
26th March 2025
32AQI
32AQI
27th March 2025
49AQI
49AQI
28th March 2025
25AQI
25AQI
29th March 2025
24AQI
24AQI
30th March 2025
24AQI
24AQI
31st March 2025
41AQI
41AQI
1st April 2025
38AQI
38AQI
2nd April 2025
40AQI
40AQI
3rd April 2025
38AQI
38AQI
4th April 2025
30AQI
30AQI
5th April 2025
39AQI
39AQI
6th April 2025
46AQI
46AQI
7th April 2025
41AQI
41AQI
8th April 2025
45AQI
45AQI
9th April 2025
63AQI
63AQI
10th April 2025
64AQI
64AQI
11th April 2025
60AQI
60AQI
12th April 2025
50AQI
50AQI
13th April 2025
37AQI
37AQI
14th April 2025
19AQI
19AQI
15th April 2025
21AQI
21AQI
16th April 2025
16AQI
16AQI
17th April 2025
17AQI
17AQI
18th April 2025
18AQI
18AQI
19th April 2025
18AQI
18AQI
20th April 2025
44AQI
44AQI
21st April 2025
47AQI
47AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
19AQI
19AQI
24th April 2025
21AQI
21AQI
25th April 2025
36AQI
36AQI
26th April 2025
48AQI
48AQI
27th April 2025
50AQI
50AQI
28th April 2025
53AQI
53AQI
29th April 2025
39AQI
39AQI
30th April 2025
35AQI
35AQI
1st May 2025
31AQI
31AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
24AQI
24AQI
4th May 2025
20AQI
20AQI
5th May 2025
15AQI
15AQI
6th May 2025
16AQI
16AQI
7th May 2025
17AQI
17AQI
8th May 2025
19AQI
19AQI
9th May 2025
21AQI
21AQI
10th May 2025
22AQI
22AQI
11th May 2025
18AQI
18AQI
12th May 2025
20AQI
20AQI
13th May 2025
19AQI
19AQI
14th May 2025
22AQI
22AQI
15th May 2025
23AQI
23AQI
16th May 2025
21AQI
21AQI
17th May 2025
20AQI
20AQI
18th May 2025
21AQI
21AQI
19th May 2025
25AQI
25AQI
20th May 2025
30AQI
30AQI
21st May 2025
28AQI
28AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
17AQI
17AQI
24th May 2025
17AQI
17AQI
25th May 2025
14AQI
14AQI
26th May 2025
16AQI
16AQI
27th May 2025
19AQI
19AQI
28th May 2025
17AQI
17AQI
29th May 2025
17AQI
17AQI
30th May 2025
17AQI
17AQI
31st May 2025
17AQI
17AQI
1st June 2025
17AQI
17AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
18AQI
18AQI
4th June 2025
16AQI
16AQI
5th June 2025
16AQI
16AQI
6th June 2025
14AQI
14AQI
7th June 2025
15AQI
15AQI
8th June 2025
22AQI
22AQI
9th June 2025
48AQI
48AQI
10th June 2025
44AQI
44AQI
11th June 2025
38AQI
38AQI
12th June 2025
43AQI
43AQI
13th June 2025
34AQI
34AQI
14th June 2025
27AQI
27AQI
15th June 2025
21AQI
21AQI
16th June 2025
21AQI
21AQI
17th June 2025
24AQI
24AQI
18th June 2025
27AQI
27AQI
19th June 2025
27AQI
27AQI
20th June 2025
34AQI
34AQI
21st June 2025
40AQI
40AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
30AQI
30AQI
24th June 2025
23AQI
23AQI
25th June 2025
20AQI
20AQI
26th June 2025
17AQI
17AQI
27th June 2025
15AQI
15AQI
28th June 2025
14AQI
14AQI
29th June 2025
15AQI
15AQI
30th June 2025
19AQI
19AQI
1st July 2025
23AQI
23AQI
2nd July 2025
21AQI
21AQI
3rd July 2025
17AQI
17AQI
4th July 2025
17AQI
17AQI
5th July 2025
18AQI
18AQI
6th July 2025
17AQI
17AQI
7th July 2025
17AQI
17AQI
8th July 2025
18AQI
18AQI
9th July 2025
18AQI
18AQI
10th July 2025
18AQI
18AQI
11th July 2025
19AQI
19AQI
12th July 2025
20AQI
20AQI
13th July 2025
23AQI
23AQI
14th July 2025
22AQI
22AQI
15th July 2025
21AQI
21AQI
16th July 2025
25AQI
25AQI
17th July 2025
20AQI
20AQI
18th July 2025
19AQI
19AQI
19th July 2025
18AQI
18AQI
20th July 2025
19AQI
19AQI
21st July 2025
18AQI
18AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
15AQI
15AQI
24th July 2025
41AQI
41AQI
25th July 2025
53AQI
53AQI
26th July 2025
35AQI
35AQI
27th July 2025
24AQI
24AQI
28th July 2025
21AQI
21AQI
29th July 2025
18AQI
18AQI
30th July 2025
17AQI
17AQI
31st July 2025
17AQI
17AQI
1st August 2025
20AQI
20AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
20AQI
20AQI
4th August 2025
23AQI
23AQI
5th August 2025
24AQI
24AQI
6th August 2025
25AQI
25AQI
7th August 2025
26AQI
26AQI
8th August 2025
24AQI
24AQI
9th August 2025
20AQI
20AQI
10th August 2025
20AQI
20AQI
40AQI
44AQI
41AQI
37AQI
20AQI
25AQI
21AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
23
8
20
8
23
8
26
4
31
30
30
1
10
193
29
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
May20AQI
202415AQI
31
29
31
30
31
30
31
31
3
13
25
5
28
3
313
8
Highest AQI recorded in
November39AQI
Lowest AQI recorded in
July6AQI
202311AQI
31
28
31
30
31
28
8
31
30
31
29
31
339
Highest AQI recorded in
March17AQI
Lowest AQI recorded in
August6AQI
202215AQI
2
30
30
62
Highest AQI recorded in
December20AQI
Lowest AQI recorded in
November11AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
32AQILeast Polluted Year Recorded
2023(Avg.)
11AQIImpasse Croiseur Montcalm's annual 2025 AQI (32) shows an average percentage change of 137.003% (worsened AQI) compared to previous years: 2022 (15), 2023 (11), 2024 (15).
