Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Halifax Johnston, Halifax, Nova Scotia, Canada 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+

July Air Quality Analysis

Halifax Johnston, Halifax, Nova Scotia, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Jul 2022
63AQI
Lowest AQI recorded on
10th Jul 2022
15AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 29th Jul - 30th Jul 2026

Halifax Johnston, Halifax, Nova Scotia, Canada

AQI
Day
Night
.

5 AM29th Jul 2026

8 PM

4 AM30th Jul 2026

Day time
Avg. Highest Time
5AM29th Jul

50AQI

Avg. Lowest Time
5PM29th Jul

25AQI

Night time
Avg. Highest Time
10PM29th Jul

46AQI

Avg. Lowest Time
2AM30th Jul

33AQI

In the last 24 hours,

Halifax Johnston's AQI reached its highest point of 50 at 5 AM during the Day, while the lowest point, 25, was recorded at 5 PM during the Day between 29th Jul and 30th Jul 2026.

Day & Night AQI Trend : Jul 2026

Halifax Johnston, Halifax, Nova Scotia, Canada

Jul
01st - 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 - 30th30th
Day
Night
1st Jul 2026265 AMAQI
1st Jul 2026236 AMAQI
1st Jul 2026267 AMAQI
1st Jul 2026268 AMAQI
1st Jul 2026299 AMAQI
1st Jul 20262710 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20262812 PMAQI
1st Jul 2026301 PMAQI
1st Jul 2026312 PMAQI
1st Jul 2026263 PMAQI
1st Jul 2026284 PMAQI
1st Jul 2026265 PMAQI
1st Jul 2026286 PMAQI
1st Jul 2026267 PMAQI
1st Jul 2026268 PMAQI
1st Jul 2026269 PMAQI
1st Jul 20262610 PMAQI
1st Jul 20262411 PMAQI
2nd Jul 20262212 AMAQI
2nd Jul 2026221 AMAQI
2nd Jul 2026222 AMAQI
2nd Jul 2026233 AMAQI
2nd Jul 2026244 AMAQI

19°C15/22°C

2nd Jul 2026285 AMAQI
2nd Jul 2026306 AMAQI
2nd Jul 2026267 AMAQI
2nd Jul 2026268 AMAQI
2nd Jul 2026299 AMAQI
2nd Jul 20262810 AMAQI
2nd Jul 20262811 AMAQI
2nd Jul 20262612 PMAQI
2nd Jul 2026281 PMAQI
2nd Jul 2026382 PMAQI
2nd Jul 2026463 PMAQI
2nd Jul 2026424 PMAQI
2nd Jul 2026265 PMAQI
2nd Jul 2026286 PMAQI
2nd Jul 2026267 PMAQI
2nd Jul 2026288 PMAQI
2nd Jul 2026269 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262411 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026261 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026283 AMAQI
3rd Jul 2026294 AMAQI

22°C17/33°C

3rd Jul 2026275 AMAQI
3rd Jul 2026286 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026288 AMAQI
3rd Jul 2026309 AMAQI
3rd Jul 20262810 AMAQI
3rd Jul 20263211 AMAQI
3rd Jul 20262812 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026302 PMAQI
3rd Jul 2026303 PMAQI
3rd Jul 2026274 PMAQI
3rd Jul 2026295 PMAQI
3rd Jul 2026286 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026278 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026294 AMAQI

25°C16/35°C

4th Jul 2026265 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20262511 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026281 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026243 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262110 PMAQI
4th Jul 20262011 PMAQI
5th Jul 20262012 AMAQI
5th Jul 2026201 AMAQI
5th Jul 2026252 AMAQI
5th Jul 2026283 AMAQI
5th Jul 2026284 AMAQI

27°C21/34°C

5th Jul 2026265 AMAQI
5th Jul 2026256 AMAQI
5th Jul 2026257 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026289 AMAQI
5th Jul 20262510 AMAQI
5th Jul 20263211 AMAQI
5th Jul 20262512 PMAQI
5th Jul 2026281 PMAQI
5th Jul 2026282 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026255 PMAQI
5th Jul 2026176 PMAQI
5th Jul 2026287 PMAQI
5th Jul 2026168 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262310 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262112 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026253 AMAQI
6th Jul 2026234 AMAQI

21°C15/27°C

6th Jul 2026215 AMAQI
6th Jul 2026206 AMAQI
6th Jul 2026227 AMAQI
6th Jul 2026228 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20262810 AMAQI
6th Jul 20263111 AMAQI
6th Jul 20263112 PMAQI
6th Jul 2026321 PMAQI
6th Jul 2026302 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026245 PMAQI
6th Jul 2026146 PMAQI
6th Jul 2026317 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026261 AMAQI
7th Jul 2026182 AMAQI
7th Jul 2026323 AMAQI
7th Jul 2026264 AMAQI

17°C11/24°C

7th Jul 2026305 AMAQI
7th Jul 2026316 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262610 AMAQI
7th Jul 20262811 AMAQI
7th Jul 20263112 PMAQI
7th Jul 2026331 PMAQI
7th Jul 2026342 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026284 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262910 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026241 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026253 AMAQI
8th Jul 2026254 AMAQI

19°C12/27°C

8th Jul 2026265 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262611 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026312 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026294 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026276 PMAQI
8th Jul 2026307 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026259 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026221 AMAQI
9th Jul 2026242 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026284 AMAQI

17°C13/22°C

9th Jul 2026285 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026288 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262910 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026321 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026264 AMAQI

20°C16/26°C

10th Jul 2026335 AMAQI
10th Jul 2026336 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026329 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20263811 AMAQI
10th Jul 20263712 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026362 PMAQI
10th Jul 2026353 PMAQI
10th Jul 2026304 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026346 PMAQI
10th Jul 2026357 PMAQI
10th Jul 2026348 PMAQI
10th Jul 2026369 PMAQI
10th Jul 20263610 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026271 AMAQI
11th Jul 2026282 AMAQI
11th Jul 2026253 AMAQI
11th Jul 2026284 AMAQI

21°C16/25°C

11th Jul 2026325 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026327 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026262 AMAQI
12th Jul 2026243 AMAQI
12th Jul 2026264 AMAQI

22°C15/29°C

12th Jul 2026305 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20263212 PMAQI
12th Jul 2026281 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20262711 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026241 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026243 AMAQI
13th Jul 2026264 AMAQI

21°C15/28°C

13th Jul 2026325 AMAQI
13th Jul 2026316 AMAQI
13th Jul 2026347 AMAQI
13th Jul 2026338 AMAQI
13th Jul 2026329 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20263612 PMAQI
13th Jul 2026341 PMAQI
13th Jul 2026342 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026339 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20262711 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026221 AMAQI
14th Jul 2026232 AMAQI
14th Jul 2026233 AMAQI
14th Jul 2026254 AMAQI

21°C14/29°C

14th Jul 2026345 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026348 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20263611 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026332 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026284 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026241 AMAQI
15th Jul 2026222 AMAQI
15th Jul 2026193 AMAQI
15th Jul 2026224 AMAQI

19°C15/24°C

15th Jul 2026275 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026247 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20265812 PMAQI
15th Jul 2026531 PMAQI
15th Jul 2026492 PMAQI
15th Jul 2026463 PMAQI
15th Jul 2026404 PMAQI
15th Jul 2026405 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026337 PMAQI
15th Jul 2026368 PMAQI
15th Jul 2026329 PMAQI
15th Jul 20263210 PMAQI
15th Jul 20263011 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026362 AMAQI
16th Jul 2026253 AMAQI
16th Jul 2026244 AMAQI

23°C16/31°C

16th Jul 2026265 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026312 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026324 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026317 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20263011 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026263 AMAQI
17th Jul 2026344 AMAQI

22°C16/29°C

17th Jul 2026425 AMAQI
17th Jul 2026496 AMAQI
17th Jul 2026477 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026499 AMAQI
17th Jul 20264610 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264012 PMAQI
17th Jul 2026381 PMAQI
17th Jul 2026342 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026497 PMAQI
17th Jul 2026468 PMAQI
17th Jul 2026269 PMAQI
17th Jul 20262710 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026652 AMAQI
18th Jul 2026493 AMAQI
18th Jul 2026484 AMAQI

17°C12/23°C

18th Jul 2026545 AMAQI
18th Jul 2026426 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026508 AMAQI
18th Jul 2026429 AMAQI
18th Jul 20266310 AMAQI
18th Jul 20266911 AMAQI
18th Jul 20266212 PMAQI
18th Jul 2026641 PMAQI
18th Jul 2026642 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026645 PMAQI
18th Jul 2026536 PMAQI
18th Jul 2026637 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263811 PMAQI
19th Jul 20264012 AMAQI
19th Jul 2026301 AMAQI
19th Jul 2026212 AMAQI
19th Jul 2026313 AMAQI
19th Jul 2026214 AMAQI

20°C13/27°C

19th Jul 2026305 AMAQI
19th Jul 2026346 AMAQI
19th Jul 2026227 AMAQI
19th Jul 2026228 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20265212 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026512 PMAQI
19th Jul 2026513 PMAQI
19th Jul 2026504 PMAQI
19th Jul 2026445 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262610 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262412 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026223 AMAQI
20th Jul 2026264 AMAQI

19°C16/24°C

20th Jul 2026275 AMAQI
20th Jul 2026226 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20263010 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026261 PMAQI
20th Jul 2026242 PMAQI
20th Jul 2026223 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20265011 PMAQI
21st Jul 2026531 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026523 AMAQI
21st Jul 2026444 AMAQI

19°C13/26°C

21st Jul 2026525 AMAQI
21st Jul 2026506 AMAQI
21st Jul 2026507 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20262612 PMAQI
21st Jul 2026401 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026294 PMAQI
21st Jul 2026325 PMAQI
21st Jul 2026386 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20263810 PMAQI
21st Jul 20262211 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026421 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026254 AMAQI

19°C13/26°C

22nd Jul 2026275 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026288 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262610 AMAQI
22nd Jul 20263211 AMAQI
22nd Jul 20262812 PMAQI
22nd Jul 2026331 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026313 PMAQI
22nd Jul 2026444 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026213 AMAQI
23rd Jul 2026254 AMAQI

19°C15/23°C

23rd Jul 2026195 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026208 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262812 PMAQI
23rd Jul 2026261 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026203 PMAQI
23rd Jul 2026224 PMAQI
23rd Jul 2026245 PMAQI
23rd Jul 2026736 PMAQI
23rd Jul 2026167 PMAQI
23rd Jul 2026228 PMAQI
23rd Jul 2026229 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026364 AMAQI

18°C15/21°C

24th Jul 2026425 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20263411 AMAQI
24th Jul 20266612 PMAQI
24th Jul 2026601 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026423 PMAQI
24th Jul 2026484 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026298 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026424 AMAQI

17°C12/22°C

25th Jul 2026485 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026429 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026466 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026498 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026322 AMAQI
26th Jul 2026363 AMAQI
26th Jul 2026324 AMAQI

17°C12/23°C

26th Jul 2026385 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026367 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263012 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026302 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026559 PMAQI
26th Jul 20264910 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20263112 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026423 AMAQI
27th Jul 2026334 AMAQI

16°C11/23°C

27th Jul 2026405 AMAQI
27th Jul 2026386 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20264010 AMAQI
27th Jul 20264911 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026533 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026475 PMAQI
27th Jul 2026446 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026402 AMAQI
28th Jul 2026403 AMAQI
28th Jul 2026364 AMAQI

18°C12/24°C

28th Jul 2026425 AMAQI
28th Jul 2026406 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026425 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026407 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026491 AMAQI
29th Jul 2026442 AMAQI
29th Jul 2026553 AMAQI
29th Jul 2026524 AMAQI

20°C17/25°C

29th Jul 2026505 AMAQI
29th Jul 2026456 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20264012 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026422 PMAQI
29th Jul 2026383 PMAQI
29th Jul 2026504 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026466 PMAQI
29th Jul 2026267 PMAQI
29th Jul 2026468 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20263412 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026463 AMAQI
30th Jul 2026384 AMAQI

18°C15/22°C

30th Jul 2026405 AMAQI
5 AM
30th Jul 2026336 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026499 AMAQI
30th Jul 20265210 AMAQI
30th Jul 20265011 AMAQI
30th Jul 20264612 PMAQI
12 PM
30th Jul 2026481 PMAQI
30th Jul 2026442 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026407 PMAQI
30th Jul 2026368 PMAQI
8 PM
30th Jul 2026369 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
12 AM
4 AM

18°C17/19°C

Day time
Avg. Highest Time
12 PM - 2 PM

36AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 36), while the lowest AQI was between 6 AM to 6 AM (Avg. 32).
Night time
Avg. Highest Time
9 PM - 11 PM

32AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 32), while the lowest AQI was between 12 AM to 12 AM (Avg. 29).

2026 Days Vs Air Quality

Halifax Johnston, Halifax, Nova Scotia, Canada

2026

94%

195

6%

13

Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)

Good
195 Days
Moderate
13 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2026, 94% of 211 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Halifax Johnston, Halifax, Nova Scotia, Canada

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
21AQI (US)
2nd January 2026
13AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
16AQI (US)
5th January 2026
21AQI (US)
6th January 2026
38AQI (US)
7th January 2026
16AQI (US)
8th January 2026
13AQI (US)
9th January 2026
18AQI (US)
10th January 2026
18AQI (US)
11th January 2026
14AQI (US)
12th January 2026
12AQI (US)
13th January 2026
17AQI (US)
14th January 2026
28AQI (US)
15th January 2026
17AQI (US)
16th January 2026
18AQI (US)
17th January 2026
17AQI (US)
18th January 2026
28AQI (US)
19th January 2026
18AQI (US)
20th January 2026
18AQI (US)
21st January 2026
12AQI (US)
22nd January 2026
48AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
48AQI (US)
25th January 2026
47AQI (US)
26th January 2026
48AQI (US)
27th January 2026
45AQI (US)
28th January 2026
48AQI (US)
29th January 2026
52AQI (US)
30th January 2026
51AQI (US)
31st January 2026
47AQI (US)
1st February 2026
47AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
50AQI (US)
5th February 2026
49AQI (US)
6th February 2026
42AQI (US)
7th February 2026
40AQI (US)
8th February 2026
47AQI (US)
9th February 2026
47AQI (US)
10th February 2026
47AQI (US)
11th February 2026
47AQI (US)
12th February 2026
45AQI (US)
13th February 2026
52AQI (US)
14th February 2026
51AQI (US)
15th February 2026
43AQI (US)
16th February 2026
45AQI (US)
17th February 2026
45AQI (US)
18th February 2026
44AQI (US)
19th February 2026
40AQI (US)
20th February 2026
43AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
45AQI (US)
25th February 2026
45AQI (US)
26th February 2026
38AQI (US)
27th February 2026
36AQI (US)
28th February 2026
39AQI (US)
1st March 2026
42AQI (US)
2nd March 2026
56AQI (US)
3rd March 2026
48AQI (US)
4th March 2026
47AQI (US)
5th March 2026
44AQI (US)
6th March 2026
39AQI (US)
7th March 2026
41AQI (US)
8th March 2026
41AQI (US)
9th March 2026
41AQI (US)
10th March 2026
35AQI (US)
11th March 2026
42AQI (US)
12th March 2026
44AQI (US)
13th March 2026
40AQI (US)
14th March 2026
38AQI (US)
15th March 2026
36AQI (US)
16th March 2026
39AQI (US)
17th March 2026
36AQI (US)
18th March 2026
33AQI (US)
19th March 2026
34AQI (US)
20th March 2026
38AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
41AQI (US)
24th March 2026
38AQI (US)
25th March 2026
34AQI (US)
26th March 2026
29AQI (US)
27th March 2026
30AQI (US)
28th March 2026
34AQI (US)
29th March 2026
30AQI (US)
30th March 2026
28AQI (US)
31st March 2026
25AQI (US)
1st April 2026
34AQI (US)
2nd April 2026
34AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
32AQI (US)
5th April 2026
31AQI (US)
6th April 2026
30AQI (US)
7th April 2026
27AQI (US)
8th April 2026
33AQI (US)
9th April 2026
29AQI (US)
10th April 2026
30AQI (US)
11th April 2026
34AQI (US)
12th April 2026
29AQI (US)
13th April 2026
34AQI (US)
14th April 2026
34AQI (US)
15th April 2026
34AQI (US)
16th April 2026
31AQI (US)
17th April 2026
18th April 2026
34AQI (US)
19th April 2026
33AQI (US)
20th April 2026
29AQI (US)
21st April 2026
29AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24th April 2026
27AQI (US)
25th April 2026
32AQI (US)
26th April 2026
33AQI (US)
27th April 2026
29AQI (US)
28th April 2026
24AQI (US)
29th April 2026
24AQI (US)
30th April 2026
27AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
30AQI (US)
5th May 2026
33AQI (US)
6th May 2026
31AQI (US)
7th May 2026
29AQI (US)
8th May 2026
27AQI (US)
9th May 2026
10th May 2026
34AQI (US)
11th May 2026
32AQI (US)
12th May 2026
30AQI (US)
13th May 2026
29AQI (US)
14th May 2026
24AQI (US)
15th May 2026
46AQI (US)
16th May 2026
54AQI (US)
17th May 2026
55AQI (US)
18th May 2026
58AQI (US)
19th May 2026
54AQI (US)
20th May 2026
49AQI (US)
21st May 2026
46AQI (US)
22nd May 2026
42AQI (US)
23rd May 2026
52AQI (US)
24th May 2026
47AQI (US)
25th May 2026
45AQI (US)
26th May 2026
30AQI (US)
27th May 2026
27AQI (US)
28th May 2026
18AQI (US)
29th May 2026
19AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
25AQI (US)
5th June 2026
27AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
22AQI (US)
9th June 2026
24AQI (US)
10th June 2026
27AQI (US)
11th June 2026
29AQI (US)
12th June 2026
27AQI (US)
13th June 2026
23AQI (US)
14th June 2026
24AQI (US)
15th June 2026
27AQI (US)
16th June 2026
26AQI (US)
17th June 2026
30AQI (US)
18th June 2026
26AQI (US)
19th June 2026
25AQI (US)
20th June 2026
24AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
23AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
22AQI (US)
25th June 2026
25AQI (US)
26th June 2026
27AQI (US)
27th June 2026
28AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
36AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
28AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
24AQI (US)
6th July 2026
26AQI (US)
7th July 2026
29AQI (US)
8th July 2026
27AQI (US)
9th July 2026
29AQI (US)
10th July 2026
32AQI (US)
11th July 2026
31AQI (US)
12th July 2026
29AQI (US)
13th July 2026
31AQI (US)
14th July 2026
30AQI (US)
15th July 2026
33AQI (US)
16th July 2026
29AQI (US)
17th July 2026
39AQI (US)
18th July 2026
52AQI (US)
19th July 2026
35AQI (US)
20th July 2026
29AQI (US)
21st July 2026
39AQI (US)
22nd July 2026
32AQI (US)
23rd July 2026
25AQI (US)
24th July 2026
38AQI (US)
25th July 2026
39AQI (US)
26th July 2026
32AQI (US)
27th July 2026
41AQI (US)
28th July 2026
42AQI (US)
29th July 2026
42AQI (US)
30th July 2026
39AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

28AQI (US)

44AQI (US)

38AQI (US)

30AQI (US)

36AQI (US)

26AQI (US)

33AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202633AQI (US)

28
3
25
3
30
1
28
25
5
30
29
1
195
13

Highest AQI (US) recorded in

February

44AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202524AQI (US)

31
28
31
30
31
28
2
30
1
30
1
30
31
30
31
361
4

Highest AQI (US) recorded in

June

30AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202419AQI (US)

31
29
31
30
31
29
31
31
30
31
30
31
365

Highest AQI (US) recorded in

August

27AQI (US)

Lowest AQI (US) recorded in

November

13AQI (US)

202322AQI (US)

31
28
31
17
10
1
30
1
29
1
30
29
30
1
265
4

Highest AQI (US) recorded in

July

34AQI (US)

Lowest AQI (US) recorded in

January

18AQI (US)

202222AQI (US)

31
20
1
31
16
1
31
30
22
1
1
29
31
30
31
303
3

Highest AQI (US) recorded in

July

27AQI (US)

Lowest AQI (US) recorded in

November

19AQI (US)

202123AQI (US)

30
28
31
29
1
31
28
2
30
1
31
30
29
30
31
358
4

Highest AQI (US) recorded in

August

30AQI (US)

Lowest AQI (US) recorded in

January

17AQI (US)

202023AQI (US)

13
19
18
30
29
2
30
30
31
29
1
29
2
258
5

Highest AQI (US) recorded in

July

28AQI (US)

Lowest AQI (US) recorded in

September

19AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
33AQI (US)
Least Polluted Year Recorded
2024(Avg.)
19AQI (US)

Halifax Johnston's annual 2026 AQI (US) (33) shows an average percentage change of 49.6% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (23), 2022 (22), 2023 (22), 2024 (19), 2025 (24).