Listen to and follow The Wirecutter ShowApple Podcasts | Spotify | Amazon Music | YouTube | iHeartRadioIt’s not your imagination. Climate change is making seasonal allergy season longer and more intense. This week, we’re re-airing our episode with New York Times health reporter Nina Agrawal. We discuss what to do when the pollen count is high, how to improve your indoor air quality this spring and summer, and the differences between allergy medications.Nina’s reporting on how to tell if you have allergies and what actually works for combatting seasonal allergies. Things we recommendThe best air purifierCoway Airmega AP-1512HH MightyPerfect for bedrooms, playrooms, and living rooms, this purifier is one of the highest-performing, most-durable, and most-economical models we’ve tested.$230 from Amazon(white)$230 from Amazon(black)$230 from Walmart(white)$230 from Walmart(black)The best upright vacuumSEBO Felix PremiumThis stylish, bagged upright vacuum has formidable cleaning power and is adjustable, versatile, and agile. It should last for a decade or two.$799 from Sylvane10-Year Extended Warranty$799 from SEBO10-Year Extended WarrantyThe best canister vacuumSEBO Airbelt K3 PremiumThis bagged canister vacuum excels on bare floors and on carpets, and it has many adjustment options and useful attachments. It should last for the long haul.$949 from Amazon7-Year Standard Warranty$949 from Sylvane10-Year Extended Warranty$949 from SEBO10-Year Extended Warranty