Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Katihar, Bihar, India 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

Katihar, Bihar, India

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Jul 2026
132AQI
Lowest AQI recorded on
16th Jul 2024
20AQI

Same Day Analysis (23rd July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 90 of Moderate air quality on the same day.

Day & Night AQI Trend: 22nd Jul - 23rd Jul 2026

Katihar, Bihar, India

AQI
Day
Night
.

4 AM22nd Jul 2026

6 PM

3 AM23rd Jul 2026

Day time
Avg. Highest Time
8AM22nd Jul

88AQI

Avg. Lowest Time
3PM22nd Jul

64AQI

Night time
Avg. Highest Time
10PM22nd Jul

105AQI

Avg. Lowest Time
7PM22nd Jul

74AQI

In the last 24 hours,

Katihar's AQI reached its highest point of 105 at 10 PM during the Night, while the lowest point, 64, was recorded at 3 PM during the Day between 22nd Jul and 23rd Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Katihar, Bihar, India

JunJul
24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
24th Jun 20261224 AMAQI
24th Jun 20261055 AMAQI
24th Jun 20261056 AMAQI
24th Jun 20261307 AMAQI
24th Jun 20261388 AMAQI
24th Jun 20261389 AMAQI
24th Jun 202612510 AMAQI
24th Jun 202612811 AMAQI
24th Jun 202613112 PMAQI
24th Jun 20261361 PMAQI
24th Jun 20261382 PMAQI
24th Jun 20261443 PMAQI
24th Jun 20261384 PMAQI
24th Jun 20261445 PMAQI
24th Jun 20261446 PMAQI
24th Jun 20261547 PMAQI
24th Jun 20261628 PMAQI
24th Jun 20261569 PMAQI
24th Jun 202615210 PMAQI
24th Jun 202615211 PMAQI
25th Jun 202614812 AMAQI
25th Jun 20261481 AMAQI
25th Jun 20261422 AMAQI
25th Jun 20261453 AMAQI

35°C30/41°C

25th Jun 20261444 AMAQI
25th Jun 20261225 AMAQI
25th Jun 20261106 AMAQI
25th Jun 20261107 AMAQI
25th Jun 20261158 AMAQI
25th Jun 20261329 AMAQI
25th Jun 202611810 AMAQI
25th Jun 202613011 AMAQI
25th Jun 202612112 PMAQI
25th Jun 20261441 PMAQI
25th Jun 20261482 PMAQI
25th Jun 20261403 PMAQI
25th Jun 20261444 PMAQI
25th Jun 20261525 PMAQI
25th Jun 20261516 PMAQI
25th Jun 20261577 PMAQI
25th Jun 20261658 PMAQI
25th Jun 20261569 PMAQI
25th Jun 202615410 PMAQI
25th Jun 202614011 PMAQI
26th Jun 202614212 AMAQI
26th Jun 20261401 AMAQI
26th Jun 20261502 AMAQI
26th Jun 20261483 AMAQI

35°C30/42°C

26th Jun 20261474 AMAQI
26th Jun 20261415 AMAQI
26th Jun 20261356 AMAQI
26th Jun 20261297 AMAQI
26th Jun 20261328 AMAQI
26th Jun 20261409 AMAQI
26th Jun 202613210 AMAQI
26th Jun 202613511 AMAQI
26th Jun 20268312 PMAQI
26th Jun 20261381 PMAQI
26th Jun 20261502 PMAQI
26th Jun 20261513 PMAQI
26th Jun 20261484 PMAQI
26th Jun 20261535 PMAQI
26th Jun 20261496 PMAQI
26th Jun 20261507 PMAQI
26th Jun 20261568 PMAQI
26th Jun 20261649 PMAQI
26th Jun 202615410 PMAQI
26th Jun 202615011 PMAQI
27th Jun 202615412 AMAQI
27th Jun 20261521 AMAQI
27th Jun 20261502 AMAQI
27th Jun 20261403 AMAQI

36°C31/41°C

27th Jun 20261244 AMAQI
27th Jun 20261165 AMAQI
27th Jun 20261086 AMAQI
27th Jun 20261197 AMAQI
27th Jun 20261388 AMAQI
27th Jun 20261429 AMAQI
27th Jun 202613210 AMAQI
27th Jun 202614511 AMAQI
27th Jun 202614412 PMAQI
27th Jun 20261531 PMAQI
27th Jun 20261522 PMAQI
27th Jun 20261453 PMAQI
27th Jun 20261404 PMAQI
27th Jun 20261355 PMAQI
27th Jun 20261266 PMAQI
27th Jun 20261407 PMAQI
27th Jun 20261358 PMAQI
27th Jun 20261399 PMAQI
27th Jun 202615010 PMAQI
27th Jun 202614411 PMAQI
28th Jun 202612812 AMAQI
28th Jun 20261281 AMAQI
28th Jun 20261312 AMAQI
28th Jun 20261323 AMAQI

36°C32/42°C

28th Jun 20261424 AMAQI
28th Jun 20261225 AMAQI
28th Jun 20261386 AMAQI
28th Jun 20261507 AMAQI
28th Jun 20261558 AMAQI
28th Jun 20261549 AMAQI
28th Jun 202613610 AMAQI
28th Jun 202614011 AMAQI
28th Jun 202614112 PMAQI
28th Jun 20261501 PMAQI
28th Jun 20261442 PMAQI
28th Jun 20261523 PMAQI
28th Jun 20261454 PMAQI
28th Jun 20261515 PMAQI
28th Jun 20261526 PMAQI
28th Jun 20261527 PMAQI
28th Jun 20261548 PMAQI
28th Jun 20261469 PMAQI
28th Jun 202615410 PMAQI
28th Jun 202615311 PMAQI
29th Jun 202615412 AMAQI
29th Jun 20261521 AMAQI
29th Jun 20261502 AMAQI
29th Jun 20261523 AMAQI

35°C31/41°C

29th Jun 20261484 AMAQI
29th Jun 20261245 AMAQI
29th Jun 2026726 AMAQI
29th Jun 2026857 AMAQI
29th Jun 2026978 AMAQI
29th Jun 20261249 AMAQI
29th Jun 202611010 AMAQI
29th Jun 202613211 AMAQI
29th Jun 202612612 PMAQI
29th Jun 20261151 PMAQI
29th Jun 20261362 PMAQI
29th Jun 20261323 PMAQI
29th Jun 20261304 PMAQI
29th Jun 2026965 PMAQI
29th Jun 20261126 PMAQI
29th Jun 20261147 PMAQI
29th Jun 20261308 PMAQI
29th Jun 20261109 PMAQI
29th Jun 20269810 PMAQI
29th Jun 202611411 PMAQI
30th Jun 202611512 AMAQI
30th Jun 2026981 AMAQI
30th Jun 20261082 AMAQI
30th Jun 2026983 AMAQI

33°C30/41°C

30th Jun 20261084 AMAQI
30th Jun 20261045 AMAQI
30th Jun 20261186 AMAQI
30th Jun 20261157 AMAQI
30th Jun 20261368 AMAQI
30th Jun 20261529 AMAQI
30th Jun 202614810 AMAQI
30th Jun 202614611 AMAQI
30th Jun 202615112 PMAQI
30th Jun 20261521 PMAQI
30th Jun 20261552 PMAQI
30th Jun 20261263 PMAQI
30th Jun 20261364 PMAQI
30th Jun 20261245 PMAQI
30th Jun 20261366 PMAQI
30th Jun 20261127 PMAQI
30th Jun 20261398 PMAQI
30th Jun 20261459 PMAQI
30th Jun 202614810 PMAQI
30th Jun 202613811 PMAQI
1st Jul 202614112 AMAQI
1st Jul 20261351 AMAQI
1st Jul 20261282 AMAQI
1st Jul 20261363 AMAQI

31°C27/36°C

1st Jul 20261424 AMAQI
1st Jul 20261405 AMAQI
1st Jul 20261406 AMAQI
1st Jul 20261507 AMAQI
1st Jul 20261528 AMAQI
1st Jul 20261479 AMAQI
1st Jul 202614210 AMAQI
1st Jul 202614411 AMAQI
1st Jul 202615012 PMAQI
1st Jul 20261481 PMAQI
1st Jul 20261442 PMAQI
1st Jul 2026973 PMAQI
1st Jul 20261004 PMAQI
1st Jul 20261005 PMAQI
1st Jul 20261006 PMAQI
1st Jul 20261027 PMAQI
1st Jul 20261108 PMAQI
1st Jul 20261029 PMAQI
1st Jul 20269210 PMAQI
1st Jul 20269411 PMAQI
2nd Jul 202610212 AMAQI
2nd Jul 2026961 AMAQI
2nd Jul 2026862 AMAQI
2nd Jul 20261043 AMAQI

31°C27/34°C

2nd Jul 20261024 AMAQI
2nd Jul 20261125 AMAQI
2nd Jul 20261196 AMAQI
2nd Jul 20261227 AMAQI
2nd Jul 20261208 AMAQI
2nd Jul 20261249 AMAQI
2nd Jul 202611810 AMAQI
2nd Jul 202611211 AMAQI
2nd Jul 202610612 PMAQI
2nd Jul 20261041 PMAQI
2nd Jul 20261062 PMAQI
2nd Jul 2026993 PMAQI
2nd Jul 2026924 PMAQI
2nd Jul 2026905 PMAQI
2nd Jul 2026906 PMAQI
2nd Jul 20261087 PMAQI
2nd Jul 20261268 PMAQI
2nd Jul 20261029 PMAQI
2nd Jul 20268410 PMAQI
2nd Jul 20268111 PMAQI
3rd Jul 20268812 AMAQI
3rd Jul 2026861 AMAQI
3rd Jul 2026972 AMAQI
3rd Jul 2026923 AMAQI

32°C28/36°C

3rd Jul 2026924 AMAQI
3rd Jul 2026965 AMAQI
3rd Jul 20261026 AMAQI
3rd Jul 20261087 AMAQI
3rd Jul 2026978 AMAQI
3rd Jul 2026969 AMAQI
3rd Jul 20269810 AMAQI
3rd Jul 202610211 AMAQI
3rd Jul 20269412 PMAQI
3rd Jul 2026861 PMAQI
3rd Jul 2026842 PMAQI
3rd Jul 2026763 PMAQI
3rd Jul 2026744 PMAQI
3rd Jul 2026885 PMAQI
3rd Jul 2026866 PMAQI
3rd Jul 2026947 PMAQI
3rd Jul 20261228 PMAQI
3rd Jul 20261109 PMAQI
3rd Jul 202611210 PMAQI
3rd Jul 202611211 PMAQI
4th Jul 202610512 AMAQI
4th Jul 20261001 AMAQI
4th Jul 2026902 AMAQI
4th Jul 2026903 AMAQI

33°C29/37°C

4th Jul 20261044 AMAQI
4th Jul 2026835 AMAQI
4th Jul 2026836 AMAQI
4th Jul 2026897 AMAQI
4th Jul 2026928 AMAQI
4th Jul 2026959 AMAQI
4th Jul 20267410 AMAQI
4th Jul 20266511 AMAQI
4th Jul 20266712 PMAQI
4th Jul 2026841 PMAQI
4th Jul 2026702 PMAQI
4th Jul 2026653 PMAQI
4th Jul 2026704 PMAQI
4th Jul 2026735 PMAQI
4th Jul 2026706 PMAQI
4th Jul 2026747 PMAQI
4th Jul 2026948 PMAQI
4th Jul 2026949 PMAQI
4th Jul 202611610 PMAQI
4th Jul 20268411 PMAQI
5th Jul 20268012 AMAQI
5th Jul 2026801 AMAQI
5th Jul 2026622 AMAQI
5th Jul 2026663 AMAQI

33°C29/38°C

5th Jul 2026674 AMAQI
5th Jul 2026595 AMAQI
5th Jul 2026576 AMAQI
5th Jul 2026627 AMAQI
5th Jul 2026678 AMAQI
5th Jul 2026689 AMAQI
5th Jul 20266710 AMAQI
5th Jul 20265511 AMAQI
5th Jul 20264912 PMAQI
5th Jul 2026581 PMAQI
5th Jul 2026522 PMAQI
5th Jul 2026543 PMAQI
5th Jul 2026504 PMAQI
5th Jul 2026505 PMAQI
5th Jul 2026506 PMAQI
5th Jul 2026517 PMAQI
5th Jul 2026568 PMAQI
5th Jul 2026539 PMAQI
5th Jul 20265510 PMAQI
5th Jul 20265311 PMAQI
6th Jul 20265412 AMAQI
6th Jul 2026451 AMAQI
6th Jul 2026422 AMAQI
6th Jul 2026473 AMAQI

32°C29/36°C

6th Jul 2026484 AMAQI
6th Jul 2026425 AMAQI
6th Jul 2026436 AMAQI
6th Jul 2026487 AMAQI
6th Jul 2026648 AMAQI
6th Jul 2026739 AMAQI
6th Jul 20266810 AMAQI
6th Jul 20266411 AMAQI
6th Jul 20265812 PMAQI
6th Jul 2026621 PMAQI
6th Jul 2026562 PMAQI
6th Jul 2026563 PMAQI
6th Jul 2026524 PMAQI
6th Jul 2026545 PMAQI
6th Jul 2026526 PMAQI
6th Jul 2026567 PMAQI
6th Jul 2026788 PMAQI
6th Jul 2026729 PMAQI
6th Jul 20267810 PMAQI
6th Jul 20267811 PMAQI
7th Jul 20267612 AMAQI
7th Jul 2026721 AMAQI
7th Jul 2026812 AMAQI
7th Jul 2026903 AMAQI

29°C27/36°C

7th Jul 2026884 AMAQI
7th Jul 2026845 AMAQI
7th Jul 2026876 AMAQI
7th Jul 2026947 AMAQI
7th Jul 20261038 AMAQI
7th Jul 20261069 AMAQI
7th Jul 20269810 AMAQI
7th Jul 202610211 AMAQI
7th Jul 202610212 PMAQI
7th Jul 20261141 PMAQI
7th Jul 20261122 PMAQI
7th Jul 20261003 PMAQI
7th Jul 20261124 PMAQI
7th Jul 20261185 PMAQI
7th Jul 20261196 PMAQI
7th Jul 20261267 PMAQI
7th Jul 20261288 PMAQI
7th Jul 20261129 PMAQI
7th Jul 202612210 PMAQI
7th Jul 202610811 PMAQI
8th Jul 202610612 AMAQI
8th Jul 20261221 AMAQI
8th Jul 20261062 AMAQI
8th Jul 20261183 AMAQI

31°C27/35°C

8th Jul 20261124 AMAQI
8th Jul 20261155 AMAQI
8th Jul 20261196 AMAQI
8th Jul 20261037 AMAQI
8th Jul 20261098 AMAQI
8th Jul 20261169 AMAQI
8th Jul 202611810 AMAQI
8th Jul 202611611 AMAQI
8th Jul 202611012 PMAQI
8th Jul 20261101 PMAQI
8th Jul 20261182 PMAQI
8th Jul 20261243 PMAQI
8th Jul 20261304 PMAQI
8th Jul 20261465 PMAQI
8th Jul 20261326 PMAQI
8th Jul 20261407 PMAQI
8th Jul 20261588 PMAQI
8th Jul 20261289 PMAQI
8th Jul 202611810 PMAQI
8th Jul 20269411 PMAQI
9th Jul 20268212 AMAQI
9th Jul 2026701 AMAQI
9th Jul 2026682 AMAQI
9th Jul 2026703 AMAQI

30°C27/33°C

9th Jul 2026784 AMAQI
9th Jul 2026875 AMAQI
9th Jul 20261026 AMAQI
9th Jul 20261157 AMAQI
9th Jul 20261258 AMAQI
9th Jul 20261269 AMAQI
9th Jul 202612810 AMAQI
9th Jul 202612811 AMAQI
9th Jul 202610812 PMAQI
9th Jul 20261161 PMAQI
9th Jul 20261022 PMAQI
9th Jul 20261083 PMAQI
9th Jul 20261014 PMAQI
9th Jul 20261155 PMAQI
9th Jul 20261046 PMAQI
9th Jul 20261267 PMAQI
9th Jul 20261248 PMAQI
9th Jul 20261449 PMAQI
9th Jul 202614710 PMAQI
9th Jul 202614711 PMAQI
10th Jul 202614612 AMAQI
10th Jul 20261361 AMAQI
10th Jul 20261422 AMAQI
10th Jul 20261223 AMAQI

29°C27/35°C

10th Jul 20261284 AMAQI
10th Jul 20261315 AMAQI
10th Jul 20261266 AMAQI
10th Jul 20261327 AMAQI
10th Jul 20261388 AMAQI
10th Jul 20261469 AMAQI
10th Jul 202614610 AMAQI
10th Jul 202615011 AMAQI
10th Jul 202614812 PMAQI
10th Jul 20261391 PMAQI
10th Jul 20261362 PMAQI
10th Jul 20261263 PMAQI
10th Jul 20261224 PMAQI
10th Jul 20261285 PMAQI
10th Jul 20261186 PMAQI
10th Jul 20261187 PMAQI
10th Jul 20261268 PMAQI
10th Jul 20261309 PMAQI
10th Jul 202612910 PMAQI
10th Jul 202610211 PMAQI
11th Jul 202611212 AMAQI
11th Jul 20261091 AMAQI
11th Jul 20261092 AMAQI
11th Jul 20261013 AMAQI

31°C27/35°C

11th Jul 20261124 AMAQI
11th Jul 20261025 AMAQI
11th Jul 2026856 AMAQI
11th Jul 2026837 AMAQI
11th Jul 20261088 AMAQI
11th Jul 20261269 AMAQI
11th Jul 202610410 AMAQI
11th Jul 20269211 AMAQI
11th Jul 20269812 PMAQI
11th Jul 20261021 PMAQI
11th Jul 20261092 PMAQI
11th Jul 20261183 PMAQI
11th Jul 20261244 PMAQI
11th Jul 20261265 PMAQI
11th Jul 20261096 PMAQI
11th Jul 20261227 PMAQI
11th Jul 20261158 PMAQI
11th Jul 20261169 PMAQI
11th Jul 202612010 PMAQI
11th Jul 202612411 PMAQI
12th Jul 202611512 AMAQI
12th Jul 20261141 AMAQI
12th Jul 20261122 AMAQI
12th Jul 20261193 AMAQI

30°C28/33°C

12th Jul 20261284 AMAQI
12th Jul 20261145 AMAQI
12th Jul 20261166 AMAQI
12th Jul 20261207 AMAQI
12th Jul 20261268 AMAQI
12th Jul 20261369 AMAQI
12th Jul 202612610 AMAQI
12th Jul 202612211 AMAQI
12th Jul 202611812 PMAQI
12th Jul 20261181 PMAQI
12th Jul 20261022 PMAQI
12th Jul 20261083 PMAQI
12th Jul 20261104 PMAQI
12th Jul 20261025 PMAQI
12th Jul 20261106 PMAQI
12th Jul 20261207 PMAQI
12th Jul 20261228 PMAQI
12th Jul 20261259 PMAQI
12th Jul 202612010 PMAQI
12th Jul 202613111 PMAQI
13th Jul 202613512 AMAQI
13th Jul 20261461 AMAQI
13th Jul 20261362 AMAQI
13th Jul 20261313 AMAQI

31°C28/35°C

13th Jul 2026944 AMAQI
13th Jul 2026785 AMAQI
13th Jul 2026736 AMAQI
13th Jul 2026787 AMAQI
13th Jul 2026808 AMAQI
13th Jul 2026889 AMAQI
13th Jul 20269710 AMAQI
13th Jul 20269811 AMAQI
13th Jul 20268712 PMAQI
13th Jul 2026931 PMAQI
13th Jul 2026872 PMAQI
13th Jul 2026863 PMAQI
13th Jul 2026924 PMAQI
13th Jul 2026875 PMAQI
13th Jul 2026906 PMAQI
13th Jul 2026997 PMAQI
13th Jul 20261388 PMAQI
13th Jul 20261329 PMAQI
13th Jul 202612410 PMAQI
13th Jul 202611411 PMAQI
14th Jul 202611012 AMAQI
14th Jul 20261081 AMAQI
14th Jul 20261222 AMAQI
14th Jul 20261223 AMAQI

29°C28/31°C

14th Jul 20261244 AMAQI
14th Jul 2026985 AMAQI
14th Jul 2026846 AMAQI
14th Jul 2026987 AMAQI
14th Jul 20261098 AMAQI
14th Jul 20261089 AMAQI
14th Jul 202611210 AMAQI
14th Jul 202610811 AMAQI
14th Jul 20269012 PMAQI
14th Jul 2026901 PMAQI
14th Jul 2026882 PMAQI
14th Jul 2026783 PMAQI
14th Jul 2026864 PMAQI
14th Jul 2026925 PMAQI
14th Jul 2026946 PMAQI
14th Jul 20261067 PMAQI
14th Jul 20261328 PMAQI
14th Jul 20261329 PMAQI
14th Jul 202614110 PMAQI
14th Jul 202613011 PMAQI
15th Jul 202614812 AMAQI
15th Jul 20261401 AMAQI
15th Jul 20261382 AMAQI
15th Jul 20261383 AMAQI

31°C28/35°C

15th Jul 20261124 AMAQI
15th Jul 20261195 AMAQI
15th Jul 20261366 AMAQI
15th Jul 20261317 AMAQI
15th Jul 20261208 AMAQI
15th Jul 20261289 AMAQI
15th Jul 202613410 AMAQI
15th Jul 202611111 AMAQI
15th Jul 202611012 PMAQI
15th Jul 20261301 PMAQI
15th Jul 2026962 PMAQI
15th Jul 2026873 PMAQI
15th Jul 2026944 PMAQI
15th Jul 2026885 PMAQI
15th Jul 20261066 PMAQI
15th Jul 2026867 PMAQI
15th Jul 20261128 PMAQI
15th Jul 20261089 PMAQI
15th Jul 20269810 PMAQI
15th Jul 20268511 PMAQI
16th Jul 20267612 AMAQI
16th Jul 2026811 AMAQI
16th Jul 2026892 AMAQI
16th Jul 2026843 AMAQI

32°C29/36°C

16th Jul 2026844 AMAQI
16th Jul 2026925 AMAQI
16th Jul 2026946 AMAQI
16th Jul 2026927 AMAQI
16th Jul 2026928 AMAQI
16th Jul 2026999 AMAQI
16th Jul 20269010 AMAQI
16th Jul 20269011 AMAQI
16th Jul 20269012 PMAQI
16th Jul 2026851 PMAQI
16th Jul 2026842 PMAQI
16th Jul 2026923 PMAQI
16th Jul 2026884 PMAQI
16th Jul 2026765 PMAQI
16th Jul 2026946 PMAQI
16th Jul 2026877 PMAQI
16th Jul 20261128 PMAQI
16th Jul 20261059 PMAQI
16th Jul 20269210 PMAQI
16th Jul 202610011 PMAQI
17th Jul 202610212 AMAQI
17th Jul 2026961 AMAQI
17th Jul 2026902 AMAQI
17th Jul 2026873 AMAQI

31°C28/35°C

17th Jul 2026814 AMAQI
17th Jul 2026745 AMAQI
17th Jul 2026746 AMAQI
17th Jul 2026807 AMAQI
17th Jul 20261048 AMAQI
17th Jul 20261049 AMAQI
17th Jul 20269410 AMAQI
17th Jul 20269311 AMAQI
17th Jul 202610412 PMAQI
17th Jul 2026921 PMAQI
17th Jul 2026862 PMAQI
17th Jul 20261183 PMAQI
17th Jul 20261044 PMAQI
17th Jul 20261125 PMAQI
17th Jul 20261146 PMAQI
17th Jul 20261157 PMAQI
17th Jul 20261168 PMAQI
17th Jul 20261189 PMAQI
17th Jul 202612410 PMAQI
17th Jul 202612811 PMAQI
18th Jul 202614112 AMAQI
18th Jul 20261301 AMAQI
18th Jul 20261282 AMAQI
18th Jul 20261253 AMAQI

30°C28/34°C

18th Jul 20261284 AMAQI
18th Jul 20261285 AMAQI
18th Jul 20261416 AMAQI
18th Jul 20261367 AMAQI
18th Jul 20261348 AMAQI
18th Jul 20261419 AMAQI
18th Jul 202611410 AMAQI
18th Jul 202611011 AMAQI
18th Jul 202612012 PMAQI
18th Jul 20261181 PMAQI
18th Jul 20261222 PMAQI
18th Jul 20261303 PMAQI
18th Jul 20261324 PMAQI
18th Jul 20261345 PMAQI
18th Jul 20261346 PMAQI
18th Jul 20261357 PMAQI
18th Jul 20261268 PMAQI
18th Jul 20261329 PMAQI
18th Jul 202612210 PMAQI
18th Jul 202611211 PMAQI
19th Jul 202611912 AMAQI
19th Jul 20261051 AMAQI
19th Jul 20261162 AMAQI
19th Jul 20261123 AMAQI

30°C27/34°C

19th Jul 20261024 AMAQI
19th Jul 20261125 AMAQI
19th Jul 20261056 AMAQI
19th Jul 20261047 AMAQI
19th Jul 20261028 AMAQI
19th Jul 20261059 AMAQI
19th Jul 202610810 AMAQI
19th Jul 202611511 AMAQI
19th Jul 202613212 PMAQI
19th Jul 20261281 PMAQI
19th Jul 20261152 PMAQI
19th Jul 20261103 PMAQI
19th Jul 2026964 PMAQI
19th Jul 2026975 PMAQI
19th Jul 20261126 PMAQI
19th Jul 2026977 PMAQI
19th Jul 20261008 PMAQI
19th Jul 20261129 PMAQI
19th Jul 202610210 PMAQI
19th Jul 202610411 PMAQI
20th Jul 20269812 AMAQI
20th Jul 20261021 AMAQI
20th Jul 2026982 AMAQI
20th Jul 2026983 AMAQI

28°C27/31°C

20th Jul 2026944 AMAQI
20th Jul 2026925 AMAQI
20th Jul 2026906 AMAQI
20th Jul 2026927 AMAQI
20th Jul 20261008 AMAQI
20th Jul 2026969 AMAQI
20th Jul 20269510 AMAQI
20th Jul 20269911 AMAQI
20th Jul 20269712 PMAQI
20th Jul 2026841 PMAQI
20th Jul 2026862 PMAQI
20th Jul 2026843 PMAQI
20th Jul 2026854 PMAQI
20th Jul 2026955 PMAQI
20th Jul 2026936 PMAQI
20th Jul 20261107 PMAQI
20th Jul 20261028 PMAQI
20th Jul 20261089 PMAQI
20th Jul 202610210 PMAQI
20th Jul 20269611 PMAQI
21st Jul 20268812 AMAQI
21st Jul 20261081 AMAQI
21st Jul 20261182 AMAQI
21st Jul 20261183 AMAQI

26°C25/27°C

21st Jul 20261154 AMAQI
21st Jul 20261155 AMAQI
21st Jul 20261086 AMAQI
21st Jul 20261087 AMAQI
21st Jul 20261088 AMAQI
21st Jul 20268910 AMAQI
21st Jul 20268311 AMAQI
21st Jul 20267612 PMAQI
21st Jul 2026761 PMAQI
21st Jul 2026862 PMAQI
21st Jul 2026883 PMAQI
21st Jul 20261064 PMAQI
21st Jul 2026965 PMAQI
21st Jul 2026956 PMAQI
21st Jul 2026947 PMAQI
21st Jul 20261388 PMAQI
21st Jul 20261009 PMAQI
21st Jul 20267810 PMAQI
21st Jul 20267411 PMAQI
22nd Jul 20268112 AMAQI
22nd Jul 2026791 AMAQI
22nd Jul 2026802 AMAQI
22nd Jul 2026733 AMAQI

27°C26/30°C

22nd Jul 2026764 AMAQI
22nd Jul 2026875 AMAQI
22nd Jul 2026816 AMAQI
22nd Jul 2026727 AMAQI
22nd Jul 2026888 AMAQI
22nd Jul 2026889 AMAQI
22nd Jul 20267610 AMAQI
22nd Jul 20268311 AMAQI
22nd Jul 20267912 PMAQI
22nd Jul 2026841 PMAQI
22nd Jul 2026782 PMAQI
22nd Jul 2026643 PMAQI
22nd Jul 2026654 PMAQI
22nd Jul 2026765 PMAQI
22nd Jul 2026766 PMAQI
22nd Jul 2026747 PMAQI
22nd Jul 2026968 PMAQI
22nd Jul 20261029 PMAQI
22nd Jul 202610510 PMAQI
22nd Jul 20268411 PMAQI
23rd Jul 20268312 AMAQI
23rd Jul 2026831 AMAQI
23rd Jul 2026842 AMAQI
23rd Jul 2026793 AMAQI

28°C26/32°C

23rd Jul 2026804 AMAQI
4 AM
23rd Jul 2026845 AMAQI
23rd Jul 2026886 AMAQI
23rd Jul 2026977 AMAQI
23rd Jul 2026978 AMAQI
23rd Jul 2026849 AMAQI
23rd Jul 20269010 AMAQI
23rd Jul 20269011 AMAQI
11 AM
23rd Jul 20268212 PMAQI
23rd Jul 2026821 PMAQI
23rd Jul 2026802 PMAQI
23rd Jul 2026783 PMAQI
23rd Jul 2026804 PMAQI
23rd Jul 2026885 PMAQI
23rd Jul 2026876 PMAQI
6 PM
23rd Jul 2026887 PMAQI
23rd Jul 20261328 PMAQI
23rd Jul 20261159 PMAQI
23rd Jul 202611110 PMAQI
23rd Jul 202610211 PMAQI
11 PM
3 AM

29°C26/33°C

Day time
Avg. Highest Time
9 AM

117AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 6 AM

102AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 117), while the lowest AQI was between 5 AM to 6 AM (Avg. 102).
Night time
Avg. Highest Time
8 PM

123AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 7 PM

110AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 123), while the lowest AQI was between 12 AM to 7 PM (Avg. 110).

2026 Days Vs Air Quality

Katihar, Bihar, India

2026

33%

68

38%

78

15%

30

14%

28

Total number of days with different AQI categories in last 205 days in 2026 (160 days remaining)

Good
0 Days
Moderate
68 Days
Poor
78 Days
Unhealthy
30 Days
Severe
28 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2026, 0% of 205 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Katihar, Bihar, India

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
224AQI (US)
2nd January 2026
248AQI (US)
3rd January 2026
220AQI (US)
4th January 2026
169AQI (US)
5th January 2026
181AQI (US)
6th January 2026
221AQI (US)
7th January 2026
201AQI (US)
8th January 2026
131AQI (US)
9th January 2026
140AQI (US)
10th January 2026
132AQI (US)
11th January 2026
149AQI (US)
12th January 2026
149AQI (US)
13th January 2026
141AQI (US)
14th January 2026
141AQI (US)
15th January 2026
142AQI (US)
16th January 2026
147AQI (US)
17th January 2026
154AQI (US)
18th January 2026
154AQI (US)
19th January 2026
136AQI (US)
20th January 2026
143AQI (US)
21st January 2026
143AQI (US)
22nd January 2026
145AQI (US)
23rd January 2026
146AQI (US)
24th January 2026
143AQI (US)
25th January 2026
136AQI (US)
26th January 2026
132AQI (US)
27th January 2026
172AQI (US)
28th January 2026
227AQI (US)
29th January 2026
220AQI (US)
30th January 2026
182AQI (US)
31st January 2026
181AQI (US)
1st February 2026
233AQI (US)
2nd February 2026
197AQI (US)
3rd February 2026
267AQI (US)
4th February 2026
210AQI (US)
5th February 2026
184AQI (US)
6th February 2026
196AQI (US)
7th February 2026
218AQI (US)
8th February 2026
252AQI (US)
9th February 2026
240AQI (US)
10th February 2026
240AQI (US)
11th February 2026
200AQI (US)
12th February 2026
254AQI (US)
13th February 2026
206AQI (US)
14th February 2026
177AQI (US)
15th February 2026
200AQI (US)
16th February 2026
223AQI (US)
17th February 2026
210AQI (US)
18th February 2026
225AQI (US)
19th February 2026
210AQI (US)
20th February 2026
201AQI (US)
21st February 2026
180AQI (US)
22nd February 2026
153AQI (US)
23rd February 2026
180AQI (US)
24th February 2026
183AQI (US)
25th February 2026
208AQI (US)
26th February 2026
193AQI (US)
27th February 2026
185AQI (US)
28th February 2026
182AQI (US)
1st March 2026
196AQI (US)
2nd March 2026
193AQI (US)
3rd March 2026
221AQI (US)
4th March 2026
217AQI (US)
5th March 2026
225AQI (US)
6th March 2026
215AQI (US)
7th March 2026
233AQI (US)
8th March 2026
239AQI (US)
9th March 2026
198AQI (US)
10th March 2026
172AQI (US)
11th March 2026
184AQI (US)
12th March 2026
163AQI (US)
13th March 2026
147AQI (US)
14th March 2026
156AQI (US)
15th March 2026
143AQI (US)
16th March 2026
155AQI (US)
17th March 2026
162AQI (US)
18th March 2026
174AQI (US)
19th March 2026
147AQI (US)
20th March 2026
145AQI (US)
21st March 2026
101AQI (US)
22nd March 2026
109AQI (US)
23rd March 2026
79AQI (US)
24th March 2026
97AQI (US)
25th March 2026
126AQI (US)
26th March 2026
96AQI (US)
27th March 2026
84AQI (US)
28th March 2026
96AQI (US)
29th March 2026
87AQI (US)
30th March 2026
146AQI (US)
31st March 2026
140AQI (US)
1st April 2026
84AQI (US)
2nd April 2026
94AQI (US)
3rd April 2026
92AQI (US)
4th April 2026
111AQI (US)
5th April 2026
71AQI (US)
6th April 2026
107AQI (US)
7th April 2026
85AQI (US)
8th April 2026
78AQI (US)
9th April 2026
63AQI (US)
10th April 2026
81AQI (US)
11th April 2026
116AQI (US)
12th April 2026
88AQI (US)
13th April 2026
82AQI (US)
14th April 2026
116AQI (US)
15th April 2026
85AQI (US)
16th April 2026
109AQI (US)
17th April 2026
74AQI (US)
18th April 2026
85AQI (US)
19th April 2026
78AQI (US)
20th April 2026
121AQI (US)
21st April 2026
80AQI (US)
22nd April 2026
90AQI (US)
23rd April 2026
72AQI (US)
24th April 2026
69AQI (US)
25th April 2026
67AQI (US)
26th April 2026
73AQI (US)
27th April 2026
77AQI (US)
28th April 2026
82AQI (US)
29th April 2026
85AQI (US)
30th April 2026
81AQI (US)
1st May 2026
61AQI (US)
2nd May 2026
79AQI (US)
3rd May 2026
95AQI (US)
4th May 2026
92AQI (US)
5th May 2026
75AQI (US)
6th May 2026
115AQI (US)
7th May 2026
106AQI (US)
8th May 2026
93AQI (US)
9th May 2026
90AQI (US)
10th May 2026
73AQI (US)
11th May 2026
53AQI (US)
12th May 2026
77AQI (US)
13th May 2026
83AQI (US)
14th May 2026
84AQI (US)
15th May 2026
86AQI (US)
16th May 2026
120AQI (US)
17th May 2026
116AQI (US)
18th May 2026
146AQI (US)
19th May 2026
129AQI (US)
20th May 2026
131AQI (US)
21st May 2026
97AQI (US)
22nd May 2026
135AQI (US)
23rd May 2026
145AQI (US)
24th May 2026
135AQI (US)
25th May 2026
120AQI (US)
26th May 2026
92AQI (US)
27th May 2026
82AQI (US)
28th May 2026
72AQI (US)
29th May 2026
72AQI (US)
30th May 2026
69AQI (US)
31st May 2026
130AQI (US)
1st June 2026
96AQI (US)
2nd June 2026
65AQI (US)
3rd June 2026
78AQI (US)
4th June 2026
78AQI (US)
5th June 2026
95AQI (US)
6th June 2026
101AQI (US)
7th June 2026
101AQI (US)
8th June 2026
114AQI (US)
9th June 2026
108AQI (US)
10th June 2026
107AQI (US)
11th June 2026
95AQI (US)
12th June 2026
104AQI (US)
13th June 2026
109AQI (US)
14th June 2026
115AQI (US)
15th June 2026
112AQI (US)
16th June 2026
112AQI (US)
17th June 2026
122AQI (US)
18th June 2026
91AQI (US)
19th June 2026
116AQI (US)
20th June 2026
118AQI (US)
21st June 2026
55AQI (US)
22nd June 2026
67AQI (US)
23rd June 2026
132AQI (US)
24th June 2026
134AQI (US)
25th June 2026
139AQI (US)
26th June 2026
142AQI (US)
27th June 2026
138AQI (US)
28th June 2026
144AQI (US)
29th June 2026
121AQI (US)
30th June 2026
130AQI (US)
1st July 2026
126AQI (US)
2nd July 2026
104AQI (US)
3rd July 2026
96AQI (US)
4th July 2026
85AQI (US)
5th July 2026
59AQI (US)
6th July 2026
58AQI (US)
7th July 2026
102AQI (US)
8th July 2026
120AQI (US)
9th July 2026
109AQI (US)
10th July 2026
132AQI (US)
11th July 2026
109AQI (US)
12th July 2026
118AQI (US)
13th July 2026
103AQI (US)
14th July 2026
107AQI (US)
15th July 2026
115AQI (US)
16th July 2026
90AQI (US)
17th July 2026
100AQI (US)
18th July 2026
128AQI (US)
19th July 2026
109AQI (US)
20th July 2026
96AQI (US)
21st July 2026
98AQI (US)
22nd July 2026
81AQI (US)
23rd July 2026
90AQI (US)
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
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

166AQI (US)

207AQI (US)

156AQI (US)

87AQI (US)

98AQI (US)

108AQI (US)

102AQI (US)

No. of days

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

2026132AQI (US)

17
7
7
13
15
6
9
10
6
24
6
19
12
9
21
10
13
68
78
30
28

Highest AQI (US) recorded in

February

207AQI (US)

Lowest AQI (US) recorded in

April

87AQI (US)

2025105AQI (US)

11
20
2
24
2
12
19
17
13
30
1
22
8
31
31
30
1
19
7
4
2
1
16
11
6
25
3
195
105
62

Highest AQI (US) recorded in

December

162AQI (US)

Lowest AQI (US) recorded in

July

65AQI (US)

2024111AQI (US)

28
2
1
14
14
9
20
2
8
21
1
2
19
10
26
4
17
14
13
17
1
3
14
10
2
1
4
7
13
7
13
15
2
6
25
39
115
111
95
5

Highest AQI (US) recorded in

January

171AQI (US)

Lowest AQI (US) recorded in

July

50AQI (US)

2023158AQI (US)

3
12
15
7
20
1
1
3
21
6
2
6
16
4
7
16
6
2
12
11
5
31
1
20
9
1
4
16
10
7
7
17
4
9
16
5
7
15
3
7
96
71
92
73
19

Highest AQI (US) recorded in

January

296AQI (US)

Lowest AQI (US) recorded in

July

70AQI (US)

2022176AQI (US)

8
11
2
6
20
4
1
2
7
1
6
22
3
11
14
5
1
28
2
2
7
3
1
13
12
1
1
1
4
9
13
2
1
19
9
8
23
5
70
64
44
62
38

Highest AQI (US) recorded in

December

330AQI (US)

Lowest AQI (US) recorded in

July

77AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2022(Avg.)
176AQI (US)
Least Polluted Year Recorded
2025(Avg.)
105AQI (US)

Katihar's annual 2026 AQI (US) (132) shows an average percentage change of 0.7% (worsened AQI (US)) compared to previous years: 2022 (176), 2023 (158), 2024 (111), 2025 (105).