Air Quality Index: AQI has been developed for eight pollutants viz. PM2.5, PM10, Ammonia, Lead, nitrogen oxides, sulphur dioxide, ozone, and carbon monoxide.

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Thankyou somuch sirji

Very helpful video sir ji i watched all of your videos .great work ....thank you so much 💯

😊😊😊keep growing sir

Thank you sir ✌😁

Sir 23 ka explanation ekbar correct kar de .8 air quality index hai.aapne jo 6 bataya uske alawe NH3,aur Pb.

Sir apka explanation krne ka tarika bhot achha h thank you so much for your efforts

Aap bhut padhte h sir .. thank you sir.. ict ka imp or bta dijiyega

Nice classes sir ji

Thankyou sir

Best class 👍 sir

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Sir video jaldi upload kariyega qki exam se pehle complete ho jaye

Thank you sir

Thank you sir ji sir 👍👍🎉

❤tq sir

Logical reasoning ka kab start karoge sir ji

Sir paper second ko pdhaiye

20/25

11 n. Ka 2017 h launched date

Tele ka link open nahi ho raha h sir?

Sir pdf share kr dijiye mcq k please 🙏

Sir AP ka exam September me hoga ya nahi ?

Sir exam hoga ya nhi kuch notification nhi aa raha hai

Quoto protocol ko 11 dec 1997 ko apnaya gya h , sir aapne thoda galat bta Diya h .

@collegeknowledge-chemistry5849

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Ok correct kr lijiye

Exam kab hoga

@dikshasahu6292

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21 july

@creatiivezone

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21 july ...

@sunitachoudhary3097

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Exam 2 sift me hoga kya

@aditisahu589

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​@@dikshasahu6292 Hello Diksha