High Tech Zone Epa, Changsha, Hunan, China 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
High Tech Zone Epa, Changsha, Hunan, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Jul 2023
83AQILowest AQI recorded on
27th Jul 2026
15AQISame Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 29th Jul - 30th Jul 2026
High Tech Zone Epa, Changsha, Hunan, China
AQI
Day
Night
.
5 AM29th Jul 2026
7 PM
4 AM30th Jul 2026
Day time
Avg. Highest Time
10AM29th Jul
42AQI
Avg. Lowest Time
7PM29th Jul
29AQI
Night time
Avg. Highest Time
10PM29th Jul
27AQI
Avg. Lowest Time
3AM30th Jul
21AQI
In the last 24 hours,
High Tech Zone Epa's AQI reached its highest point of 42 at 10 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 29th Jul and 30th Jul 2026.
Day & Night AQI Trend : Jul 2026
High Tech Zone Epa, Changsha, Hunan, China
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 2026315 AMAQI
1st Jul 2026366 AMAQI
1st Jul 2026367 AMAQI
1st Jul 2026298 AMAQI
1st Jul 2026339 AMAQI
1st Jul 20263110 AMAQI
1st Jul 20263611 AMAQI
1st Jul 20263612 PMAQI
1st Jul 2026291 PMAQI
1st Jul 2026292 PMAQI
1st Jul 2026253 PMAQI
1st Jul 2026294 PMAQI
1st Jul 2026405 PMAQI
1st Jul 2026386 PMAQI
1st Jul 2026447 PMAQI
1st Jul 2026448 PMAQI
1st Jul 2026509 PMAQI
1st Jul 20266010 PMAQI
1st Jul 20265311 PMAQI
2nd Jul 20266012 AMAQI
2nd Jul 2026631 AMAQI
2nd Jul 2026832 AMAQI
2nd Jul 2026813 AMAQI
2nd Jul 2026864 AMAQI
24°C22/26°C
2nd Jul 2026905 AMAQI
2nd Jul 2026886 AMAQI
2nd Jul 2026837 AMAQI
2nd Jul 2026738 AMAQI
2nd Jul 2026689 AMAQI
2nd Jul 20265310 AMAQI
2nd Jul 20262911 AMAQI
2nd Jul 20262712 PMAQI
2nd Jul 2026251 PMAQI
2nd Jul 2026362 PMAQI
2nd Jul 2026383 PMAQI
2nd Jul 2026484 PMAQI
2nd Jul 2026485 PMAQI
2nd Jul 2026526 PMAQI
2nd Jul 2026607 PMAQI
2nd Jul 2026658 PMAQI
2nd Jul 2026659 PMAQI
2nd Jul 20265810 PMAQI
2nd Jul 20264611 PMAQI
3rd Jul 20263812 AMAQI
3rd Jul 2026381 AMAQI
3rd Jul 2026402 AMAQI
3rd Jul 2026403 AMAQI
3rd Jul 2026384 AMAQI
26°C24/29°C
3rd Jul 2026385 AMAQI
3rd Jul 2026366 AMAQI
3rd Jul 2026367 AMAQI
3rd Jul 2026368 AMAQI
3rd Jul 2026489 AMAQI
3rd Jul 20265010 AMAQI
3rd Jul 20264611 AMAQI
3rd Jul 20264212 PMAQI
3rd Jul 2026331 PMAQI
3rd Jul 2026312 PMAQI
3rd Jul 2026253 PMAQI
3rd Jul 2026294 PMAQI
3rd Jul 2026315 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026467 PMAQI
3rd Jul 2026708 PMAQI
3rd Jul 2026789 PMAQI
3rd Jul 20266710 PMAQI
3rd Jul 20267311 PMAQI
4th Jul 20264012 AMAQI
4th Jul 2026261 AMAQI
4th Jul 202692 AMAQI
4th Jul 202693 AMAQI
4th Jul 202684 AMAQI
26°C24/31°C
4th Jul 202685 AMAQI
4th Jul 202696 AMAQI
4th Jul 202697 AMAQI
4th Jul 2026108 AMAQI
4th Jul 2026109 AMAQI
4th Jul 20261410 AMAQI
4th Jul 20261711 AMAQI
4th Jul 20262512 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026313 PMAQI
4th Jul 2026334 PMAQI
4th Jul 2026315 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026297 PMAQI
4th Jul 2026368 PMAQI
4th Jul 2026299 PMAQI
4th Jul 20262510 PMAQI
4th Jul 20261411 PMAQI
5th Jul 2026812 AMAQI
5th Jul 2026101 AMAQI
5th Jul 2026112 AMAQI
5th Jul 2026193 AMAQI
5th Jul 2026174 AMAQI
27°C26/31°C
5th Jul 2026235 AMAQI
5th Jul 2026216 AMAQI
5th Jul 2026237 AMAQI
5th Jul 2026198 AMAQI
5th Jul 2026199 AMAQI
5th Jul 20261910 AMAQI
5th Jul 20261711 AMAQI
5th Jul 20262112 PMAQI
5th Jul 2026251 PMAQI
5th Jul 2026252 PMAQI
5th Jul 2026253 PMAQI
5th Jul 2026214 PMAQI
5th Jul 2026215 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026257 PMAQI
5th Jul 2026298 PMAQI
5th Jul 2026299 PMAQI
5th Jul 20263110 PMAQI
5th Jul 20262211 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026223 AMAQI
6th Jul 2026244 AMAQI
25°C25/26°C
6th Jul 2026225 AMAQI
6th Jul 2026246 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026208 AMAQI
6th Jul 2026339 AMAQI
6th Jul 20263910 AMAQI
6th Jul 20262011 AMAQI
6th Jul 20261912 PMAQI
6th Jul 2026461 PMAQI
6th Jul 2026352 PMAQI
6th Jul 2026283 PMAQI
6th Jul 2026294 PMAQI
6th Jul 2026295 PMAQI
6th Jul 2026336 PMAQI
6th Jul 2026317 PMAQI
6th Jul 2026298 PMAQI
6th Jul 2026409 PMAQI
6th Jul 20264810 PMAQI
6th Jul 20264611 PMAQI
7th Jul 20264412 AMAQI
7th Jul 2026461 AMAQI
7th Jul 2026512 AMAQI
7th Jul 2026503 AMAQI
7th Jul 2026504 AMAQI
25°C24/27°C
7th Jul 2026465 AMAQI
7th Jul 2026386 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026238 AMAQI
7th Jul 2026259 AMAQI
7th Jul 20262110 AMAQI
7th Jul 20262511 AMAQI
7th Jul 20262512 PMAQI
7th Jul 2026231 PMAQI
7th Jul 2026252 PMAQI
7th Jul 2026253 PMAQI
7th Jul 2026234 PMAQI
7th Jul 2026235 PMAQI
7th Jul 2026216 PMAQI
7th Jul 2026237 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20263610 PMAQI
7th Jul 20264011 PMAQI
8th Jul 20264012 AMAQI
8th Jul 2026331 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026253 AMAQI
8th Jul 2026254 AMAQI
28°C24/32°C
8th Jul 2026235 AMAQI
8th Jul 2026196 AMAQI
8th Jul 2026177 AMAQI
8th Jul 2026178 AMAQI
8th Jul 2026219 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026206 PMAQI
8th Jul 2026227 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262911 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026162 AMAQI
9th Jul 2026243 AMAQI
9th Jul 2026254 AMAQI
28°C24/33°C
9th Jul 2026145 AMAQI
9th Jul 2026196 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026208 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026287 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026259 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026294 AMAQI
29°C25/34°C
10th Jul 2026285 AMAQI
10th Jul 2026296 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026319 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262412 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026253 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026318 PMAQI
10th Jul 2026329 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263312 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026273 AMAQI
11th Jul 2026304 AMAQI
30°C26/36°C
11th Jul 2026345 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026369 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262912 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026262 PMAQI
11th Jul 2026283 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20266510 PMAQI
11th Jul 20267411 PMAQI
12th Jul 20267812 AMAQI
12th Jul 2026691 AMAQI
12th Jul 2026712 AMAQI
12th Jul 2026703 AMAQI
12th Jul 2026554 AMAQI
32°C27/37°C
12th Jul 2026565 AMAQI
12th Jul 2026566 AMAQI
12th Jul 2026727 AMAQI
12th Jul 2026738 AMAQI
12th Jul 2026709 AMAQI
12th Jul 20267210 AMAQI
12th Jul 20267411 AMAQI
12th Jul 20268112 PMAQI
12th Jul 2026691 PMAQI
12th Jul 2026642 PMAQI
12th Jul 2026563 PMAQI
12th Jul 2026594 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026328 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026304 AMAQI
31°C27/35°C
13th Jul 2026305 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026317 AMAQI
13th Jul 2026318 AMAQI
13th Jul 2026319 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20263111 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026281 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026884 PMAQI
13th Jul 2026845 PMAQI
13th Jul 2026726 PMAQI
13th Jul 2026697 PMAQI
13th Jul 2026708 PMAQI
13th Jul 2026599 PMAQI
13th Jul 20265810 PMAQI
13th Jul 20265711 PMAQI
14th Jul 20265912 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026312 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026314 AMAQI
33°C28/39°C
14th Jul 2026305 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026368 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262811 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026861 PMAQI
14th Jul 2026852 PMAQI
14th Jul 2026753 PMAQI
14th Jul 2026834 PMAQI
14th Jul 2026725 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026348 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263310 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026192 AMAQI
15th Jul 2026173 AMAQI
15th Jul 202684 AMAQI
32°C28/38°C
15th Jul 202685 AMAQI
15th Jul 2026106 AMAQI
15th Jul 2026217 AMAQI
15th Jul 2026218 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20262110 AMAQI
15th Jul 20261711 AMAQI
15th Jul 20261812 PMAQI
15th Jul 2026191 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026173 PMAQI
15th Jul 2026144 PMAQI
15th Jul 2026145 PMAQI
15th Jul 2026176 PMAQI
15th Jul 2026177 PMAQI
15th Jul 2026178 PMAQI
15th Jul 2026219 PMAQI
15th Jul 20262110 PMAQI
15th Jul 20262511 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026272 AMAQI
16th Jul 2026233 AMAQI
16th Jul 2026174 AMAQI
31°C28/37°C
16th Jul 2026145 AMAQI
16th Jul 2026176 AMAQI
16th Jul 2026177 AMAQI
16th Jul 2026198 AMAQI
16th Jul 2026219 AMAQI
16th Jul 20262310 AMAQI
16th Jul 20262911 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026291 PMAQI
16th Jul 2026332 PMAQI
16th Jul 2026363 PMAQI
16th Jul 2026364 PMAQI
16th Jul 2026425 PMAQI
16th Jul 2026426 PMAQI
16th Jul 2026367 PMAQI
16th Jul 2026338 PMAQI
16th Jul 2026339 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026284 AMAQI
31°C27/36°C
17th Jul 2026285 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026257 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026309 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262412 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026383 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026407 PMAQI
17th Jul 2026428 PMAQI
17th Jul 2026429 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026332 AMAQI
18th Jul 2026333 AMAQI
18th Jul 2026314 AMAQI
32°C28/38°C
18th Jul 2026315 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026317 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026369 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20263112 PMAQI
18th Jul 2026311 PMAQI
18th Jul 2026312 PMAQI
18th Jul 2026303 PMAQI
18th Jul 2026334 PMAQI
18th Jul 2026385 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026368 PMAQI
18th Jul 2026409 PMAQI
18th Jul 20264210 PMAQI
18th Jul 20264611 PMAQI
19th Jul 20264412 AMAQI
19th Jul 2026291 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026213 AMAQI
19th Jul 2026214 AMAQI
30°C26/34°C
19th Jul 2026235 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20262110 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026334 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026339 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20264012 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026462 AMAQI
20th Jul 2026533 AMAQI
20th Jul 2026524 AMAQI
25°C24/27°C
20th Jul 2026505 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20265511 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026702 PMAQI
20th Jul 2026813 PMAQI
20th Jul 2026784 PMAQI
20th Jul 2026725 PMAQI
20th Jul 2026686 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026528 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20265212 AMAQI
21st Jul 2026561 AMAQI
21st Jul 2026592 AMAQI
21st Jul 2026593 AMAQI
21st Jul 2026514 AMAQI
24°C22/25°C
21st Jul 2026445 AMAQI
21st Jul 2026386 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026328 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20263310 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026633 PMAQI
21st Jul 2026574 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026926 PMAQI
21st Jul 2026447 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026273 AMAQI
22nd Jul 2026254 AMAQI
26°C24/30°C
22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026339 AMAQI
22nd Jul 20264810 AMAQI
22nd Jul 20265311 AMAQI
22nd Jul 20265612 PMAQI
22nd Jul 2026581 PMAQI
22nd Jul 2026512 PMAQI
22nd Jul 2026523 PMAQI
22nd Jul 2026504 PMAQI
22nd Jul 2026485 PMAQI
22nd Jul 2026446 PMAQI
22nd Jul 2026487 PMAQI
22nd Jul 2026518 PMAQI
22nd Jul 2026529 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20264411 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026543 AMAQI
23rd Jul 2026464 AMAQI
26°C24/29°C
23rd Jul 2026465 AMAQI
23rd Jul 2026446 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264011 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026361 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026383 PMAQI
23rd Jul 2026404 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026406 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026489 PMAQI
23rd Jul 20265210 PMAQI
23rd Jul 20265111 PMAQI
24th Jul 20265112 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026532 AMAQI
24th Jul 2026513 AMAQI
24th Jul 2026514 AMAQI
27°C25/33°C
24th Jul 2026505 AMAQI
24th Jul 2026536 AMAQI
24th Jul 2026487 AMAQI
24th Jul 2026508 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265311 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026483 PMAQI
24th Jul 2026504 PMAQI
24th Jul 2026485 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026551 AMAQI
25th Jul 2026542 AMAQI
25th Jul 2026583 AMAQI
25th Jul 2026604 AMAQI
30°C26/35°C
25th Jul 2026605 AMAQI
25th Jul 2026686 AMAQI
25th Jul 2026667 AMAQI
25th Jul 2026678 AMAQI
25th Jul 2026649 AMAQI
25th Jul 20265810 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026622 PMAQI
25th Jul 2026633 PMAQI
25th Jul 2026654 PMAQI
25th Jul 2026645 PMAQI
25th Jul 2026656 PMAQI
25th Jul 2026667 PMAQI
25th Jul 2026678 PMAQI
25th Jul 2026689 PMAQI
25th Jul 20267010 PMAQI
25th Jul 20267211 PMAQI
26th Jul 20267412 AMAQI
26th Jul 2026791 AMAQI
26th Jul 2026752 AMAQI
26th Jul 2026793 AMAQI
26th Jul 2026764 AMAQI
31°C27/36°C
26th Jul 2026755 AMAQI
26th Jul 2026716 AMAQI
26th Jul 2026717 AMAQI
26th Jul 2026718 AMAQI
26th Jul 2026669 AMAQI
26th Jul 20266010 AMAQI
26th Jul 20265011 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026332 PMAQI
26th Jul 2026363 PMAQI
26th Jul 2026314 PMAQI
26th Jul 202685 PMAQI
26th Jul 2026136 PMAQI
26th Jul 2026207 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20261912 AMAQI
27th Jul 2026171 AMAQI
27th Jul 2026122 AMAQI
27th Jul 202683 AMAQI
27th Jul 202684 AMAQI
30°C26/36°C
27th Jul 2026105 AMAQI
27th Jul 2026106 AMAQI
27th Jul 2026147 AMAQI
27th Jul 2026148 AMAQI
27th Jul 2026119 AMAQI
27th Jul 2026810 AMAQI
27th Jul 20261011 AMAQI
27th Jul 20261112 PMAQI
27th Jul 202691 PMAQI
27th Jul 2026192 PMAQI
27th Jul 2026193 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026167 PMAQI
27th Jul 2026128 PMAQI
27th Jul 2026149 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026171 AMAQI
28th Jul 2026192 AMAQI
28th Jul 2026193 AMAQI
28th Jul 2026204 AMAQI
24°C24/26°C
28th Jul 2026235 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263310 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026364 AMAQI
26°C23/29°C
29th Jul 2026335 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026296 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026254 AMAQI
27°C24/31°C
30th Jul 2026275 AMAQI
5 AM30th Jul 2026296 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
12 PM30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026217 PMAQI
7 PM30th Jul 2026278 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262111 PMAQI
12 AM
4 AM
28°C25/34°C
Day time
Avg. Highest Time
4 PM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM - 12 PM
33AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 39), while the lowest AQI was between 11 AM to 12 PM (Avg. 33).
Night time
Avg. Highest Time
10 PM - 11 PM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM
34AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 40), while the lowest AQI was between 4 AM to 4 AM (Avg. 34).
2026 Days Vs Air Quality
High Tech Zone Epa, Changsha, Hunan, China
2026
27%
58
45%
95
23%
49
4%
9
Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)
Good
58 DaysModerate
95 DaysPoor
49 DaysUnhealthy
9 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 27%
Health Risk Level:
Very high
In 2026, 27% of 211 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
High Tech Zone Epa, Changsha, Hunan, China
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
68AQI (US)
68AQI (US)
2nd January 2026
117AQI (US)
117AQI (US)
3rd January 2026
138AQI (US)
138AQI (US)
4th January 2026
114AQI (US)
114AQI (US)
5th January 2026
130AQI (US)
130AQI (US)
6th January 2026
152AQI (US)
152AQI (US)
7th January 2026
135AQI (US)
135AQI (US)
8th January 2026
123AQI (US)
123AQI (US)
9th January 2026
130AQI (US)
130AQI (US)
10th January 2026
139AQI (US)
139AQI (US)
11th January 2026
144AQI (US)
144AQI (US)
12th January 2026
99AQI (US)
99AQI (US)
13th January 2026
157AQI (US)
157AQI (US)
14th January 2026
125AQI (US)
125AQI (US)
15th January 2026
157AQI (US)
157AQI (US)
16th January 2026
166AQI (US)
166AQI (US)
17th January 2026
187AQI (US)
187AQI (US)
18th January 2026
194AQI (US)
194AQI (US)
19th January 2026
55AQI (US)
55AQI (US)
20th January 2026
71AQI (US)
71AQI (US)
21st January 2026
116AQI (US)
116AQI (US)
22nd January 2026
113AQI (US)
113AQI (US)
23rd January 2026
141AQI (US)
141AQI (US)
24th January 2026
107AQI (US)
107AQI (US)
25th January 2026
138AQI (US)
138AQI (US)
26th January 2026
105AQI (US)
105AQI (US)
27th January 2026
145AQI (US)
145AQI (US)
28th January 2026
157AQI (US)
157AQI (US)
29th January 2026
116AQI (US)
116AQI (US)
30th January 2026
89AQI (US)
89AQI (US)
31st January 2026
103AQI (US)
103AQI (US)
1st February 2026
90AQI (US)
90AQI (US)
2nd February 2026
97AQI (US)
97AQI (US)
3rd February 2026
73AQI (US)
73AQI (US)
4th February 2026
93AQI (US)
93AQI (US)
5th February 2026
143AQI (US)
143AQI (US)
6th February 2026
152AQI (US)
152AQI (US)
7th February 2026
122AQI (US)
122AQI (US)
8th February 2026
136AQI (US)
136AQI (US)
9th February 2026
111AQI (US)
111AQI (US)
10th February 2026
120AQI (US)
120AQI (US)
11th February 2026
97AQI (US)
97AQI (US)
12th February 2026
117AQI (US)
117AQI (US)
13th February 2026
135AQI (US)
135AQI (US)
14th February 2026
108AQI (US)
108AQI (US)
15th February 2026
105AQI (US)
105AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
137AQI (US)
137AQI (US)
18th February 2026
116AQI (US)
116AQI (US)
19th February 2026
108AQI (US)
108AQI (US)
20th February 2026
103AQI (US)
103AQI (US)
21st February 2026
83AQI (US)
83AQI (US)
22nd February 2026
105AQI (US)
105AQI (US)
23rd February 2026
103AQI (US)
103AQI (US)
24th February 2026
70AQI (US)
70AQI (US)
25th February 2026
92AQI (US)
92AQI (US)
26th February 2026
45AQI (US)
45AQI (US)
27th February 2026
73AQI (US)
73AQI (US)
28th February 2026
81AQI (US)
81AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
69AQI (US)
69AQI (US)
3rd March 2026
108AQI (US)
108AQI (US)
4th March 2026
112AQI (US)
112AQI (US)
5th March 2026
127AQI (US)
127AQI (US)
6th March 2026
152AQI (US)
152AQI (US)
7th March 2026
147AQI (US)
147AQI (US)
8th March 2026
110AQI (US)
110AQI (US)
9th March 2026
122AQI (US)
122AQI (US)
10th March 2026
146AQI (US)
146AQI (US)
11th March 2026
84AQI (US)
84AQI (US)
12th March 2026
113AQI (US)
113AQI (US)
13th March 2026
78AQI (US)
78AQI (US)
14th March 2026
87AQI (US)
87AQI (US)
15th March 2026
117AQI (US)
117AQI (US)
16th March 2026
16AQI (US)
16AQI (US)
17th March 2026
33AQI (US)
33AQI (US)
18th March 2026
46AQI (US)
46AQI (US)
19th March 2026
76AQI (US)
76AQI (US)
20th March 2026
62AQI (US)
62AQI (US)
21st March 2026
75AQI (US)
75AQI (US)
22nd March 2026
58AQI (US)
58AQI (US)
23rd March 2026
59AQI (US)
59AQI (US)
24th March 2026
72AQI (US)
72AQI (US)
25th March 2026
120AQI (US)
120AQI (US)
26th March 2026
72AQI (US)
72AQI (US)
27th March 2026
107AQI (US)
107AQI (US)
28th March 2026
99AQI (US)
99AQI (US)
29th March 2026
107AQI (US)
107AQI (US)
30th March 2026
47AQI (US)
47AQI (US)
31st March 2026
67AQI (US)
67AQI (US)
1st April 2026
90AQI (US)
90AQI (US)
2nd April 2026
65AQI (US)
65AQI (US)
3rd April 2026
42AQI (US)
42AQI (US)
4th April 2026
62AQI (US)
62AQI (US)
5th April 2026
82AQI (US)
82AQI (US)
6th April 2026
85AQI (US)
85AQI (US)
7th April 2026
136AQI (US)
136AQI (US)
8th April 2026
118AQI (US)
118AQI (US)
9th April 2026
72AQI (US)
72AQI (US)
10th April 2026
71AQI (US)
71AQI (US)
11th April 2026
58AQI (US)
58AQI (US)
12th April 2026
69AQI (US)
69AQI (US)
13th April 2026
71AQI (US)
71AQI (US)
14th April 2026
46AQI (US)
46AQI (US)
15th April 2026
60AQI (US)
60AQI (US)
16th April 2026
49AQI (US)
49AQI (US)
17th April 2026
76AQI (US)
76AQI (US)
18th April 2026
86AQI (US)
86AQI (US)
19th April 2026
89AQI (US)
89AQI (US)
20th April 2026
84AQI (US)
84AQI (US)
21st April 2026
18AQI (US)
18AQI (US)
22nd April 2026
28AQI (US)
28AQI (US)
23rd April 2026
61AQI (US)
61AQI (US)
24th April 2026
75AQI (US)
75AQI (US)
25th April 2026
79AQI (US)
79AQI (US)
26th April 2026
77AQI (US)
77AQI (US)
27th April 2026
114AQI (US)
114AQI (US)
28th April 2026
45AQI (US)
45AQI (US)
29th April 2026
19AQI (US)
19AQI (US)
30th April 2026
50AQI (US)
50AQI (US)
1st May 2026
54AQI (US)
54AQI (US)
2nd May 2026
58AQI (US)
58AQI (US)
3rd May 2026
60AQI (US)
60AQI (US)
4th May 2026
60AQI (US)
60AQI (US)
5th May 2026
74AQI (US)
74AQI (US)
6th May 2026
77AQI (US)
77AQI (US)
7th May 2026
78AQI (US)
78AQI (US)
8th May 2026
71AQI (US)
71AQI (US)
9th May 2026
70AQI (US)
70AQI (US)
10th May 2026
80AQI (US)
80AQI (US)
11th May 2026
84AQI (US)
84AQI (US)
12th May 2026
98AQI (US)
98AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
45AQI (US)
45AQI (US)
15th May 2026
65AQI (US)
65AQI (US)
16th May 2026
72AQI (US)
72AQI (US)
17th May 2026
61AQI (US)
61AQI (US)
18th May 2026
55AQI (US)
55AQI (US)
19th May 2026
51AQI (US)
51AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
71AQI (US)
71AQI (US)
22nd May 2026
82AQI (US)
82AQI (US)
23rd May 2026
74AQI (US)
74AQI (US)
24th May 2026
73AQI (US)
73AQI (US)
25th May 2026
69AQI (US)
69AQI (US)
26th May 2026
53AQI (US)
53AQI (US)
27th May 2026
48AQI (US)
48AQI (US)
28th May 2026
61AQI (US)
61AQI (US)
29th May 2026
63AQI (US)
63AQI (US)
30th May 2026
44AQI (US)
44AQI (US)
31st May 2026
78AQI (US)
78AQI (US)
1st June 2026
91AQI (US)
91AQI (US)
2nd June 2026
93AQI (US)
93AQI (US)
3rd June 2026
90AQI (US)
90AQI (US)
4th June 2026
41AQI (US)
41AQI (US)
5th June 2026
71AQI (US)
71AQI (US)
6th June 2026
66AQI (US)
66AQI (US)
7th June 2026
79AQI (US)
79AQI (US)
8th June 2026
11AQI (US)
11AQI (US)
9th June 2026
37AQI (US)
37AQI (US)
10th June 2026
54AQI (US)
54AQI (US)
11th June 2026
79AQI (US)
79AQI (US)
12th June 2026
77AQI (US)
77AQI (US)
13th June 2026
40AQI (US)
40AQI (US)
14th June 2026
40AQI (US)
40AQI (US)
15th June 2026
30AQI (US)
30AQI (US)
16th June 2026
75AQI (US)
75AQI (US)
17th June 2026
78AQI (US)
78AQI (US)
18th June 2026
67AQI (US)
67AQI (US)
19th June 2026
20AQI (US)
20AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
37AQI (US)
37AQI (US)
22nd June 2026
39AQI (US)
39AQI (US)
23rd June 2026
18AQI (US)
18AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
52AQI (US)
52AQI (US)
26th June 2026
45AQI (US)
45AQI (US)
27th June 2026
67AQI (US)
67AQI (US)
28th June 2026
83AQI (US)
83AQI (US)
29th June 2026
97AQI (US)
97AQI (US)
30th June 2026
53AQI (US)
53AQI (US)
1st July 2026
37AQI (US)
37AQI (US)
2nd July 2026
59AQI (US)
59AQI (US)
3rd July 2026
43AQI (US)
43AQI (US)
4th July 2026
21AQI (US)
21AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
30AQI (US)
30AQI (US)
7th July 2026
32AQI (US)
32AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
34AQI (US)
34AQI (US)
12th July 2026
56AQI (US)
56AQI (US)
13th July 2026
43AQI (US)
43AQI (US)
14th July 2026
43AQI (US)
43AQI (US)
15th July 2026
19AQI (US)
19AQI (US)
16th July 2026
28AQI (US)
28AQI (US)
17th July 2026
33AQI (US)
33AQI (US)
18th July 2026
35AQI (US)
35AQI (US)
19th July 2026
26AQI (US)
26AQI (US)
20th July 2026
56AQI (US)
56AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
41AQI (US)
41AQI (US)
23rd July 2026
44AQI (US)
44AQI (US)
24th July 2026
50AQI (US)
50AQI (US)
25th July 2026
62AQI (US)
62AQI (US)
26th July 2026
49AQI (US)
49AQI (US)
27th July 2026
15AQI (US)
15AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
32AQI (US)
32AQI (US)
30th July 2026
25AQI (US)
25AQI (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
127AQI (US)
102AQI (US)
88AQI (US)
69AQI (US)
66AQI (US)
56AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202678AQI (US)
5
19
7
2
10
15
1
5
13
12
1
8
19
3
4
27
13
17
26
4
58
95
49
9
Highest AQI (US) recorded in
January127AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
202598AQI (US)
2
16
11
2
4
16
8
1
19
11
13
15
1
1
29
2
9
21
7
24
7
24
2
28
2
12
11
6
2
9
18
1
1
1
12
15
2
31
186
101
42
4
1
Highest AQI (US) recorded in
December153AQI (US)
Lowest AQI (US) recorded in
August56AQI (US)
202499AQI (US)
5
12
13
1
11
10
7
15
13
3
1
19
9
1
2
20
9
15
15
19
12
6
25
1
20
7
2
2
10
9
10
2
8
6
14
1
16
14
49
161
91
64
Highest AQI (US) recorded in
December142AQI (US)
Lowest AQI (US) recorded in
July48AQI (US)
202398AQI (US)
1
3
10
13
4
1
3
14
10
2
8
15
6
4
19
6
1
2
22
7
6
24
11
20
3
26
2
4
26
1
11
18
1
4
20
2
1
8
15
4
3
36
174
107
37
7
Highest AQI (US) recorded in
January154AQI (US)
Lowest AQI (US) recorded in
July56AQI (US)
2022106AQI (US)
5
9
13
3
6
9
6
2
14
11
4
1
15
12
1
2
14
14
1
7
23
12
9
1
15
12
1
5
5
16
5
10
17
3
2
16
13
30
118
116
47
3
Highest AQI (US) recorded in
January149AQI (US)
Lowest AQI (US) recorded in
August42AQI (US)
2021106AQI (US)
2
12
16
1
4
14
9
1
8
22
1
2
8
18
2
2
22
6
1
6
18
6
4
27
3
18
3
21
6
2
14
9
6
9
11
10
4
7
16
4
22
155
111
61
6
Highest AQI (US) recorded in
January154AQI (US)
Lowest AQI (US) recorded in
July62AQI (US)
202099AQI (US)
2
5
4
2
6
12
3
9
9
9
20
1
8
18
5
11
16
4
5
19
6
4
5
14
8
9
9
11
1
2
5
20
4
39
109
69
44
5
Highest AQI (US) recorded in
December163AQI (US)
Lowest AQI (US) recorded in
August63AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
106AQI (US)Least Polluted Year Recorded
2026(Avg.)
78AQI (US)High Tech Zone Epa's annual 2026 AQI (US) (78) shows an average percentage change of -22.6% (improved AQI (US)) compared to previous years: 2020 (99), 2021 (106), 2022 (106), 2023 (98), 2024 (99), 2025 (98).
