Letterkenny, Lifford, Donegal, Ireland 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
Letterkenny, Lifford, Donegal, Ireland
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2024
61AQILowest AQI recorded on
16th Aug 2023
10AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 19 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: 3rd Aug - 4th Aug 2025
Letterkenny, Lifford, Donegal, Ireland
AQI
Day
Night
.
5 AM3rd Aug 2025
9 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
5AM3rd Aug
21AQI
Avg. Lowest Time
8AM3rd Aug
17AQI
Night time
Avg. Highest Time
4AM4th Aug
29AQI
Avg. Lowest Time
12AM4th Aug
20AQI
In the last 24 hours,
Letterkenny's AQI reached its highest point of 29 at 4 AM during the Night, while the lowest point, 17, was recorded at 8 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Letterkenny, Lifford, Donegal, Ireland
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025145 AMAQI
5th Jul 2025146 AMAQI
5th Jul 2025147 AMAQI
5th Jul 2025138 AMAQI
5th Jul 2025139 AMAQI
5th Jul 20251310 AMAQI
5th Jul 20251211 AMAQI
5th Jul 20251312 PMAQI
5th Jul 2025151 PMAQI
5th Jul 2025162 PMAQI
5th Jul 2025163 PMAQI
5th Jul 2025154 PMAQI
5th Jul 2025165 PMAQI
5th Jul 2025166 PMAQI
5th Jul 2025167 PMAQI
5th Jul 2025168 PMAQI
5th Jul 2025179 PMAQI
5th Jul 20251710 PMAQI
5th Jul 20251711 PMAQI
6th Jul 20251812 AMAQI
6th Jul 2025161 AMAQI
6th Jul 2025152 AMAQI
6th Jul 2025143 AMAQI
6th Jul 2025134 AMAQI
14°C13/15°C
6th Jul 2025145 AMAQI
6th Jul 2025156 AMAQI
6th Jul 2025147 AMAQI
6th Jul 2025128 AMAQI
6th Jul 2025139 AMAQI
6th Jul 20251310 AMAQI
6th Jul 20251311 AMAQI
6th Jul 20251312 PMAQI
6th Jul 2025151 PMAQI
6th Jul 2025162 PMAQI
6th Jul 2025163 PMAQI
6th Jul 2025164 PMAQI
6th Jul 2025165 PMAQI
6th Jul 2025166 PMAQI
6th Jul 2025167 PMAQI
6th Jul 2025168 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251610 PMAQI
6th Jul 20251711 PMAQI
7th Jul 20251612 AMAQI
7th Jul 2025161 AMAQI
7th Jul 2025142 AMAQI
7th Jul 2025143 AMAQI
7th Jul 2025144 AMAQI
13°C11/17°C
7th Jul 2025165 AMAQI
7th Jul 2025166 AMAQI
7th Jul 2025167 AMAQI
7th Jul 2025168 AMAQI
7th Jul 2025169 AMAQI
7th Jul 20251710 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025172 PMAQI
7th Jul 2025173 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025175 PMAQI
7th Jul 2025176 PMAQI
7th Jul 2025177 PMAQI
7th Jul 2025178 PMAQI
7th Jul 2025179 PMAQI
7th Jul 20251710 PMAQI
7th Jul 20251711 PMAQI
8th Jul 20251712 AMAQI
8th Jul 2025181 AMAQI
8th Jul 2025172 AMAQI
8th Jul 2025183 AMAQI
8th Jul 2025184 AMAQI
13°C10/16°C
8th Jul 2025175 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251910 AMAQI
8th Jul 20252211 AMAQI
8th Jul 20251612 PMAQI
8th Jul 2025241 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025173 PMAQI
8th Jul 2025174 PMAQI
8th Jul 2025175 PMAQI
8th Jul 2025176 PMAQI
8th Jul 2025177 PMAQI
8th Jul 2025178 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251812 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025162 AMAQI
9th Jul 2025143 AMAQI
9th Jul 2025144 AMAQI
14°C9/19°C
9th Jul 2025155 AMAQI
9th Jul 2025156 AMAQI
9th Jul 2025147 AMAQI
9th Jul 2025138 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251411 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025151 PMAQI
9th Jul 2025142 PMAQI
9th Jul 2025153 PMAQI
9th Jul 2025144 PMAQI
9th Jul 2025165 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025167 PMAQI
9th Jul 2025158 PMAQI
9th Jul 2025169 PMAQI
9th Jul 20251710 PMAQI
9th Jul 20251711 PMAQI
10th Jul 20251712 AMAQI
10th Jul 2025181 AMAQI
10th Jul 2025162 AMAQI
10th Jul 2025163 AMAQI
10th Jul 2025164 AMAQI
17°C12/21°C
10th Jul 2025165 AMAQI
10th Jul 2025176 AMAQI
10th Jul 2025167 AMAQI
10th Jul 2025168 AMAQI
10th Jul 2025179 AMAQI
10th Jul 20251810 AMAQI
10th Jul 20251711 AMAQI
10th Jul 20251712 PMAQI
10th Jul 2025171 PMAQI
10th Jul 2025182 PMAQI
10th Jul 2025173 PMAQI
10th Jul 2025174 PMAQI
10th Jul 2025175 PMAQI
10th Jul 2025186 PMAQI
10th Jul 2025167 PMAQI
10th Jul 2025168 PMAQI
10th Jul 2025179 PMAQI
10th Jul 20251810 PMAQI
10th Jul 20251711 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025181 AMAQI
11th Jul 2025192 AMAQI
11th Jul 2025193 AMAQI
11th Jul 2025204 AMAQI
17°C11/22°C
11th Jul 2025205 AMAQI
11th Jul 2025206 AMAQI
11th Jul 2025207 AMAQI
11th Jul 2025228 AMAQI
11th Jul 2025229 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025211 PMAQI
11th Jul 2025202 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025214 PMAQI
11th Jul 2025215 PMAQI
11th Jul 2025216 PMAQI
11th Jul 2025217 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20251810 PMAQI
11th Jul 20251811 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025201 AMAQI
12th Jul 2025212 AMAQI
12th Jul 2025203 AMAQI
12th Jul 2025224 AMAQI
19°C12/25°C
12th Jul 2025225 AMAQI
12th Jul 2025216 AMAQI
12th Jul 2025207 AMAQI
12th Jul 2025188 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252210 AMAQI
12th Jul 20252011 AMAQI
12th Jul 20252012 PMAQI
12th Jul 2025191 PMAQI
12th Jul 2025192 PMAQI
12th Jul 2025203 PMAQI
12th Jul 2025204 PMAQI
12th Jul 2025195 PMAQI
12th Jul 2025206 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025198 PMAQI
12th Jul 2025209 PMAQI
12th Jul 20252010 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252012 AMAQI
13th Jul 2025211 AMAQI
13th Jul 2025202 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025224 AMAQI
20°C13/27°C
13th Jul 2025245 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025228 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252210 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025211 PMAQI
13th Jul 2025222 PMAQI
13th Jul 2025223 PMAQI
13th Jul 2025234 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025226 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025229 PMAQI
13th Jul 20252210 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252212 AMAQI
14th Jul 2025211 AMAQI
14th Jul 2025212 AMAQI
14th Jul 2025223 AMAQI
14th Jul 2025224 AMAQI
19°C13/24°C
14th Jul 2025215 AMAQI
14th Jul 2025206 AMAQI
14th Jul 2025217 AMAQI
14th Jul 2025218 AMAQI
14th Jul 2025209 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025217 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025219 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252212 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025192 AMAQI
15th Jul 2025163 AMAQI
15th Jul 2025174 AMAQI
15°C10/18°C
15th Jul 2025175 AMAQI
15th Jul 2025166 AMAQI
15th Jul 2025177 AMAQI
15th Jul 2025148 AMAQI
15th Jul 2025139 AMAQI
15th Jul 20251410 AMAQI
15th Jul 20251411 AMAQI
15th Jul 20251412 PMAQI
15th Jul 2025161 PMAQI
15th Jul 2025162 PMAQI
15th Jul 2025173 PMAQI
15th Jul 2025174 PMAQI
15th Jul 2025165 PMAQI
15th Jul 2025176 PMAQI
15th Jul 2025187 PMAQI
15th Jul 2025188 PMAQI
15th Jul 2025189 PMAQI
15th Jul 20251810 PMAQI
15th Jul 20251811 PMAQI
16th Jul 20251812 AMAQI
16th Jul 2025181 AMAQI
16th Jul 2025182 AMAQI
16th Jul 2025173 AMAQI
16th Jul 2025164 AMAQI
13°C9/18°C
16th Jul 2025165 AMAQI
16th Jul 2025166 AMAQI
16th Jul 2025177 AMAQI
16th Jul 2025178 AMAQI
16th Jul 2025179 AMAQI
16th Jul 20251710 AMAQI
16th Jul 20251811 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025171 PMAQI
16th Jul 2025182 PMAQI
16th Jul 2025183 PMAQI
16th Jul 2025184 PMAQI
16th Jul 2025195 PMAQI
16th Jul 2025196 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025198 PMAQI
16th Jul 2025199 PMAQI
16th Jul 20251910 PMAQI
16th Jul 20251911 PMAQI
17th Jul 20251912 AMAQI
17th Jul 2025181 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025193 AMAQI
17th Jul 2025184 AMAQI
15°C9/21°C
17th Jul 2025205 AMAQI
17th Jul 2025196 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025198 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025183 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025195 PMAQI
17th Jul 2025196 PMAQI
17th Jul 2025197 PMAQI
17th Jul 2025198 PMAQI
17th Jul 2025189 PMAQI
17th Jul 20251810 PMAQI
17th Jul 20251811 PMAQI
18th Jul 20251912 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025173 AMAQI
18th Jul 2025174 AMAQI
16°C12/20°C
18th Jul 2025185 AMAQI
18th Jul 2025186 AMAQI
18th Jul 2025157 AMAQI
18th Jul 2025168 AMAQI
18th Jul 2025149 AMAQI
18th Jul 20251510 AMAQI
18th Jul 20251311 AMAQI
18th Jul 20251412 PMAQI
18th Jul 2025161 PMAQI
18th Jul 2025162 PMAQI
18th Jul 2025163 PMAQI
18th Jul 2025154 PMAQI
18th Jul 2025165 PMAQI
18th Jul 2025166 PMAQI
18th Jul 2025187 PMAQI
18th Jul 2025168 PMAQI
18th Jul 2025169 PMAQI
18th Jul 20251710 PMAQI
18th Jul 20251711 PMAQI
19th Jul 20251612 AMAQI
19th Jul 2025161 AMAQI
19th Jul 2025162 AMAQI
19th Jul 2025143 AMAQI
19th Jul 2025154 AMAQI
15°C12/19°C
19th Jul 2025185 AMAQI
19th Jul 2025166 AMAQI
19th Jul 2025167 AMAQI
19th Jul 2025158 AMAQI
19th Jul 2025159 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251411 AMAQI
19th Jul 20251512 PMAQI
19th Jul 2025171 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025174 PMAQI
19th Jul 2025165 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025178 PMAQI
19th Jul 2025179 PMAQI
19th Jul 20251810 PMAQI
19th Jul 20251811 PMAQI
20th Jul 20251712 AMAQI
20th Jul 2025171 AMAQI
20th Jul 2025172 AMAQI
20th Jul 2025143 AMAQI
20th Jul 2025174 AMAQI
15°C12/20°C
20th Jul 2025185 AMAQI
20th Jul 2025186 AMAQI
20th Jul 2025167 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025159 AMAQI
20th Jul 20251510 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251612 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025176 PMAQI
20th Jul 2025177 PMAQI
20th Jul 2025178 PMAQI
20th Jul 2025189 PMAQI
20th Jul 20251710 PMAQI
20th Jul 20251811 PMAQI
21st Jul 20251812 AMAQI
21st Jul 2025211 AMAQI
21st Jul 2025172 AMAQI
21st Jul 2025193 AMAQI
21st Jul 2025184 AMAQI
15°C11/19°C
21st Jul 2025175 AMAQI
21st Jul 2025186 AMAQI
21st Jul 2025167 AMAQI
21st Jul 2025168 AMAQI
21st Jul 2025169 AMAQI
21st Jul 20251510 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251712 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025173 PMAQI
21st Jul 2025174 PMAQI
21st Jul 2025175 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025177 PMAQI
21st Jul 2025178 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251810 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025181 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025144 AMAQI
15°C14/17°C
22nd Jul 2025175 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025158 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251710 PMAQI
22nd Jul 20251711 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025413 AMAQI
23rd Jul 2025544 AMAQI
16°C11/19°C
23rd Jul 2025545 AMAQI
23rd Jul 2025566 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025569 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025498 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025592 AMAQI
24th Jul 2025643 AMAQI
24th Jul 2025644 AMAQI
14°C9/17°C
24th Jul 2025615 AMAQI
24th Jul 2025596 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025618 AMAQI
24th Jul 2025629 AMAQI
24th Jul 20256510 AMAQI
24th Jul 20256511 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025586 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025561 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025603 AMAQI
25th Jul 2025594 AMAQI
16°C12/22°C
25th Jul 2025605 AMAQI
25th Jul 2025586 AMAQI
25th Jul 2025577 AMAQI
25th Jul 2025558 AMAQI
25th Jul 2025559 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025535 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025383 AMAQI
26th Jul 2025204 AMAQI
16°C11/20°C
26th Jul 2025255 AMAQI
26th Jul 2025246 AMAQI
26th Jul 2025237 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025239 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252712 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025274 AMAQI
15°C11/19°C
27th Jul 2025305 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025329 AMAQI
27th Jul 20253110 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253112 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20252911 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025203 AMAQI
28th Jul 2025204 AMAQI
14°C11/17°C
28th Jul 2025215 AMAQI
28th Jul 2025206 AMAQI
28th Jul 2025207 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025143 AMAQI
29th Jul 2025144 AMAQI
15°C10/20°C
29th Jul 2025165 AMAQI
29th Jul 2025156 AMAQI
29th Jul 2025157 AMAQI
29th Jul 2025148 AMAQI
29th Jul 2025169 AMAQI
29th Jul 20251510 AMAQI
29th Jul 20251611 AMAQI
29th Jul 20251512 PMAQI
29th Jul 2025161 PMAQI
29th Jul 2025172 PMAQI
29th Jul 2025173 PMAQI
29th Jul 2025174 PMAQI
29th Jul 2025175 PMAQI
29th Jul 2025176 PMAQI
29th Jul 2025177 PMAQI
29th Jul 2025178 PMAQI
29th Jul 2025189 PMAQI
29th Jul 20251810 PMAQI
29th Jul 20251811 PMAQI
30th Jul 20251812 AMAQI
30th Jul 2025171 AMAQI
30th Jul 2025172 AMAQI
30th Jul 2025143 AMAQI
30th Jul 2025124 AMAQI
16°C14/18°C
30th Jul 2025145 AMAQI
30th Jul 2025146 AMAQI
30th Jul 2025147 AMAQI
30th Jul 2025148 AMAQI
30th Jul 2025139 AMAQI
30th Jul 20251310 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251312 PMAQI
30th Jul 2025151 PMAQI
30th Jul 2025142 PMAQI
30th Jul 2025163 PMAQI
30th Jul 2025154 PMAQI
30th Jul 2025155 PMAQI
30th Jul 2025166 PMAQI
30th Jul 2025167 PMAQI
30th Jul 2025158 PMAQI
30th Jul 2025159 PMAQI
30th Jul 20251510 PMAQI
30th Jul 20251511 PMAQI
31st Jul 20251512 AMAQI
31st Jul 2025151 AMAQI
31st Jul 2025152 AMAQI
31st Jul 2025183 AMAQI
31st Jul 2025204 AMAQI
14°C10/19°C
31st Jul 2025215 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025207 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025229 AMAQI
31st Jul 20252110 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025161 PMAQI
31st Jul 2025192 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025164 PMAQI
31st Jul 2025145 PMAQI
31st Jul 2025176 PMAQI
31st Jul 2025177 PMAQI
31st Jul 2025198 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20251810 PMAQI
31st Jul 20251811 PMAQI
1st Aug 20252012 AMAQI
1st Aug 2025201 AMAQI
1st Aug 2025172 AMAQI
1st Aug 2025183 AMAQI
1st Aug 2025174 AMAQI
13°C11/16°C
1st Aug 2025205 AMAQI
1st Aug 2025186 AMAQI
1st Aug 2025187 AMAQI
1st Aug 2025328 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251610 AMAQI
1st Aug 20251411 AMAQI
1st Aug 20251712 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025194 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20251910 PMAQI
1st Aug 20252011 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025191 AMAQI
2nd Aug 2025182 AMAQI
2nd Aug 2025183 AMAQI
2nd Aug 2025174 AMAQI
14°C8/17°C
2nd Aug 2025175 AMAQI
2nd Aug 2025196 AMAQI
2nd Aug 2025177 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025193 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025205 PMAQI
2nd Aug 2025186 PMAQI
2nd Aug 2025197 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025209 PMAQI
2nd Aug 20252010 PMAQI
2nd Aug 20252111 PMAQI
3rd Aug 20251912 AMAQI
3rd Aug 2025201 AMAQI
3rd Aug 2025182 AMAQI
3rd Aug 2025203 AMAQI
3rd Aug 2025174 AMAQI
15°C8/21°C
3rd Aug 2025215 AMAQI
3rd Aug 2025196 AMAQI
3rd Aug 2025177 AMAQI
3rd Aug 2025178 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251810 AMAQI
3rd Aug 20251911 AMAQI
3rd Aug 20251912 PMAQI
3rd Aug 2025191 PMAQI
3rd Aug 2025182 PMAQI
3rd Aug 2025183 PMAQI
3rd Aug 2025204 PMAQI
3rd Aug 2025195 PMAQI
3rd Aug 2025196 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025208 PMAQI
3rd Aug 2025209 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252111 PMAQI
4th Aug 20252012 AMAQI
4th Aug 2025211 AMAQI
4th Aug 2025212 AMAQI
4th Aug 2025223 AMAQI
4th Aug 2025294 AMAQI
16°C12/18°C
4th Aug 2025205 AMAQI
5 AM4th Aug 2025216 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025228 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
22AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
22AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 22), while the lowest AQI was between 5 AM to 9 PM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 11 PM
23AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
23AQI
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. 23), while the lowest AQI was between 12 AM to 11 PM (Avg. 23).
2025 Days Vs Air Quality
Letterkenny, Lifford, Donegal, Ireland
2025
78%
166
22%
47
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
166 DaysModerate
47 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% 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
Letterkenny, Lifford, Donegal, Ireland
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
35AQI
35AQI
2nd January 2025
57AQI
57AQI
3rd January 2025
64AQI
64AQI
4th January 2025
70AQI
70AQI
5th January 2025
99AQI
99AQI
6th January 2025
55AQI
55AQI
7th January 2025
39AQI
39AQI
8th January 2025
67AQI
67AQI
9th January 2025
81AQI
81AQI
10th January 2025
107AQI
107AQI
11th January 2025
67AQI
67AQI
12th January 2025
64AQI
64AQI
13th January 2025
25AQI
25AQI
14th January 2025
24AQI
24AQI
15th January 2025
23AQI
23AQI
16th January 2025
30AQI
30AQI
17th January 2025
26AQI
26AQI
18th January 2025
26AQI
26AQI
19th January 2025
36AQI
36AQI
20th January 2025
46AQI
46AQI
21st January 2025
44AQI
44AQI
22nd January 2025
62AQI
62AQI
23rd January 2025
43AQI
43AQI
24th January 2025
35AQI
35AQI
25th January 2025
44AQI
44AQI
26th January 2025
50AQI
50AQI
27th January 2025
52AQI
52AQI
28th January 2025
55AQI
55AQI
29th January 2025
49AQI
49AQI
30th January 2025
43AQI
43AQI
31st January 2025
43AQI
43AQI
1st February 2025
58AQI
58AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
24AQI
24AQI
4th February 2025
25AQI
25AQI
5th February 2025
35AQI
35AQI
6th February 2025
64AQI
64AQI
7th February 2025
51AQI
51AQI
8th February 2025
59AQI
59AQI
9th February 2025
69AQI
69AQI
10th February 2025
59AQI
59AQI
11th February 2025
49AQI
49AQI
12th February 2025
55AQI
55AQI
13th February 2025
54AQI
54AQI
14th February 2025
56AQI
56AQI
15th February 2025
60AQI
60AQI
16th February 2025
48AQI
48AQI
17th February 2025
65AQI
65AQI
18th February 2025
66AQI
66AQI
19th February 2025
61AQI
61AQI
20th February 2025
30AQI
30AQI
21st February 2025
34AQI
34AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
34AQI
34AQI
24th February 2025
38AQI
38AQI
25th February 2025
30AQI
30AQI
26th February 2025
29AQI
29AQI
27th February 2025
39AQI
39AQI
28th February 2025
49AQI
49AQI
1st March 2025
34AQI
34AQI
2nd March 2025
69AQI
69AQI
3rd March 2025
30AQI
30AQI
4th March 2025
30AQI
30AQI
5th March 2025
27AQI
27AQI
6th March 2025
37AQI
37AQI
7th March 2025
36AQI
36AQI
8th March 2025
44AQI
44AQI
9th March 2025
73AQI
73AQI
10th March 2025
63AQI
63AQI
11th March 2025
39AQI
39AQI
12th March 2025
33AQI
33AQI
13th March 2025
32AQI
32AQI
14th March 2025
37AQI
37AQI
15th March 2025
52AQI
52AQI
16th March 2025
52AQI
52AQI
17th March 2025
23AQI
23AQI
18th March 2025
28AQI
28AQI
19th March 2025
58AQI
58AQI
20th March 2025
92AQI
92AQI
21st March 2025
70AQI
70AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
34AQI
34AQI
24th March 2025
45AQI
45AQI
25th March 2025
24AQI
24AQI
26th March 2025
33AQI
33AQI
27th March 2025
21AQI
21AQI
28th March 2025
25AQI
25AQI
29th March 2025
36AQI
36AQI
30th March 2025
46AQI
46AQI
31st March 2025
37AQI
37AQI
1st April 2025
29AQI
29AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
51AQI
51AQI
4th April 2025
56AQI
56AQI
5th April 2025
54AQI
54AQI
6th April 2025
41AQI
41AQI
7th April 2025
53AQI
53AQI
8th April 2025
58AQI
58AQI
9th April 2025
55AQI
55AQI
10th April 2025
53AQI
53AQI
11th April 2025
56AQI
56AQI
12th April 2025
62AQI
62AQI
13th April 2025
37AQI
37AQI
14th April 2025
17AQI
17AQI
15th April 2025
21AQI
21AQI
16th April 2025
21AQI
21AQI
17th April 2025
19AQI
19AQI
18th April 2025
20AQI
20AQI
19th April 2025
21AQI
21AQI
20th April 2025
41AQI
41AQI
21st April 2025
41AQI
41AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
18AQI
18AQI
24th April 2025
39AQI
39AQI
25th April 2025
36AQI
36AQI
26th April 2025
27AQI
27AQI
27th April 2025
17AQI
17AQI
28th April 2025
22AQI
22AQI
29th April 2025
29AQI
29AQI
30th April 2025
42AQI
42AQI
1st May 2025
44AQI
44AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
25AQI
25AQI
4th May 2025
17AQI
17AQI
5th May 2025
21AQI
21AQI
6th May 2025
22AQI
22AQI
7th May 2025
23AQI
23AQI
8th May 2025
25AQI
25AQI
9th May 2025
42AQI
42AQI
10th May 2025
52AQI
52AQI
11th May 2025
39AQI
39AQI
12th May 2025
23AQI
23AQI
13th May 2025
36AQI
36AQI
14th May 2025
26AQI
26AQI
15th May 2025
30AQI
30AQI
16th May 2025
25AQI
25AQI
17th May 2025
24AQI
24AQI
18th May 2025
23AQI
23AQI
19th May 2025
22AQI
22AQI
20th May 2025
29AQI
29AQI
21st May 2025
32AQI
32AQI
22nd May 2025
26AQI
26AQI
23rd May 2025
26AQI
26AQI
24th May 2025
20AQI
20AQI
25th May 2025
17AQI
17AQI
26th May 2025
18AQI
18AQI
27th May 2025
16AQI
16AQI
28th May 2025
18AQI
18AQI
29th May 2025
15AQI
15AQI
30th May 2025
20AQI
20AQI
31st May 2025
16AQI
16AQI
1st June 2025
18AQI
18AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
23AQI
23AQI
4th June 2025
24AQI
24AQI
5th June 2025
21AQI
21AQI
6th June 2025
17AQI
17AQI
7th June 2025
16AQI
16AQI
8th June 2025
24AQI
24AQI
9th June 2025
70AQI
70AQI
10th June 2025
47AQI
47AQI
11th June 2025
34AQI
34AQI
12th June 2025
31AQI
31AQI
13th June 2025
33AQI
33AQI
14th June 2025
30AQI
30AQI
15th June 2025
27AQI
27AQI
16th June 2025
26AQI
26AQI
17th June 2025
35AQI
35AQI
18th June 2025
23AQI
23AQI
19th June 2025
23AQI
23AQI
20th June 2025
27AQI
27AQI
21st June 2025
40AQI
40AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
21AQI
21AQI
24th June 2025
19AQI
19AQI
25th June 2025
16AQI
16AQI
26th June 2025
15AQI
15AQI
27th June 2025
17AQI
17AQI
28th June 2025
17AQI
17AQI
29th June 2025
25AQI
25AQI
30th June 2025
18AQI
18AQI
1st July 2025
14AQI
14AQI
2nd July 2025
14AQI
14AQI
3rd July 2025
14AQI
14AQI
4th July 2025
19AQI
19AQI
5th July 2025
15AQI
15AQI
6th July 2025
15AQI
15AQI
7th July 2025
16AQI
16AQI
8th July 2025
18AQI
18AQI
9th July 2025
15AQI
15AQI
10th July 2025
17AQI
17AQI
11th July 2025
20AQI
20AQI
12th July 2025
20AQI
20AQI
13th July 2025
22AQI
22AQI
14th July 2025
21AQI
21AQI
15th July 2025
17AQI
17AQI
16th July 2025
18AQI
18AQI
17th July 2025
19AQI
19AQI
18th July 2025
16AQI
16AQI
19th July 2025
16AQI
16AQI
20th July 2025
17AQI
17AQI
21st July 2025
17AQI
17AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
48AQI
48AQI
24th July 2025
59AQI
59AQI
25th July 2025
55AQI
55AQI
26th July 2025
31AQI
31AQI
27th July 2025
30AQI
30AQI
28th July 2025
21AQI
21AQI
29th July 2025
17AQI
17AQI
30th July 2025
15AQI
15AQI
31st July 2025
19AQI
19AQI
1st August 2025
19AQI
19AQI
2nd August 2025
19AQI
19AQI
50AQI
46AQI
43AQI
37AQI
26AQI
27AQI
22AQI
19AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
18
12
1
15
13
22
9
21
9
30
1
29
1
29
2
2
166
47
1
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
August19AQI
202437AQI
11
19
1
16
9
3
1
16
15
30
27
4
30
31
27
4
23
7
30
1
28
2
25
6
294
65
5
2
Highest AQI recorded in
January63AQI
Lowest AQI recorded in
July20AQI
202337AQI
16
12
1
21
7
21
8
2
27
3
31
25
5
31
31
29
1
26
5
10
14
4
21
6
4
289
61
11
Highest AQI recorded in
November66AQI
Lowest AQI recorded in
July16AQI
202239AQI
12
19
17
5
10
18
3
22
7
1
29
2
30
24
1
28
29
2
18
7
2
1
12
15
2
2
232
75
8
3
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
June9AQI
202135AQI
3
30
1
30
30
1
30
1
27
3
25
5
1
18
11
1
11
18
1
1
204
40
3
1
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2022(Avg.)
39AQILeast Polluted Year Recorded
2021(Avg.)
35AQILetterkenny's annual 2025 AQI (36) shows an average percentage change of -4.02% (improved AQI) compared to previous years: 2021 (35), 2022 (39), 2023 (37), 2024 (37).
