As of Sunday at 2pm, Chicago’s air quality is unhealthy for sensitive groups. People with heart or lung disease, older adults, children, and teens should shorten time outdoors or do less strenuous outside activities.

PSA: "Very Unhealthy" air still poses a risk to everyone. Read more about what this rating means below and keep monitoring for updates from @chicagooemc.bsky.social & @cdph.bsky.social.

La calidad del aire en Chicago se mantiene en la categoría peligrosa, lo que implica un alto riesgo para la salud de toda la población. Se recomienda limitar las actividades al aire libre. Para más información sobre la calidad del aire, visita: chicago.gov/OpenAirChicago + AirNow.gov

Air Quality Alert for Friday, July 17: Air quality has reached emergency levels, increasing health risks for everyone. Limiting outdoor activity is strongly advised. Wear a properly fitting N95 or KN95 mask if you must be outside. For updates and guidance: chicago.gov/OpenAirChicago and AirNow.gov

Update: Chicago is still experiencing "Hazardous" air quality. Please continue to take precautions - stay indoors or, if you need to be outside, wear an N95 or KN95 mask. Continue to follow @chicagooemc.bsky.social & @cdph.bsky.social and download the Chicago OEMC app for updates & alerts.

Due to wildfire smoke from Canada, Chicago's air quality is currently rated as "Hazardous" in many areas of the city. We are also facing hot, humid temperatures, increasing the health risk. Avoid outdoor activities and follow @chicagooemc.bsky.social & @cdph.bsky.social for updates.

Chicago: TOMORROW, 7/16 will be hot + air quality will be unhealthy for everyone. All Chicagoans are advised to take precautions to limit their time outside, avoid strenuous activity when outdoors, and seek medical attention if health complications arise. https://chi.gov/4f69pmC

The air quality in Chicago is already Very Unhealthy! Take all precautions to keep you, your family, and community safe today by checking in on people and limiting outdoor activity.

An Air Quality Alert has been issued in Chicago. If you have trouble breathing, stay inside when you can and wear a mask if you must go outside. To get the latest information on our current air quality levels, you can visit airnow.gov

Celebrate Chicago Climate Week with us! Join DOE at three Climate Infrastructure Fund-supported sites that are advancing sustainability, community resilience, and climate action across Chicago. All events are free and open to the public. Sign up at luma.com/chicclimatew... @chicagodpd.bsky.social

The Sustainable Data Centers Working Group has released recommendations to guide the City's future policies related to data centers, balancing economic development, environmental sustainability, community quality of life, & infrastructure resiliency. chi.gov/data-centers @chicagodpd.bsky.social

Last call for public comments on the draft 2026 Chicago Green Infrastructure Strategy! Public comment for the Strategy is open thru this Friday, 7/10. Read it at chi.gov/green-infrastructure & share feedback online or via email at [email protected]

Calling all large-building owners, property managers, industry professionals, and interested stakeholders: review the draft rules update for the Chicago Energy Benchmarking program & submit feedback to [email protected] by this Friday, July 10. www.chicago.gov/city/en/dept...

Expert in Project Management? DOE needs you! DOE is seeking a Project Manager to lead environmental remediation projects, coordinating across departments and partners to advance the City's climate and sustainability goals. Apply by July 3! chi.gov/doejobs

The US National Weather Service Chicago Illinois has issued an Extreme Heat Warning in effect from 12:00 p.m. Monday (6/29) until 10:00 p.m. Wednesday (7/1). See tips below on what you can do to stay safe as temperatures spike in the coming days.

For upcoming weather alerts make sure you download the Chicago OEMC app! It's available in the App Store or Google Play. https://flow.page/chicagooemcapp

We’re under a Tornado Watch until 9 p.m. Do you know the difference between a Watch and a Warning? Tornado Watch: Severe thunderstorms and tornadoes are possible in the area. Tornado Warning: Tornado is imminent. Seek shelter immediately.

Yes, it's hot and humid in Chicago this week! Certain populations are more vulnerable to heat, incl. those who are socially isolated, don’t have AC, are 65+ years, have a chronic disease, or are pregnant. Get heat preparedness tips + resources from CDPH: https://chi.gov/4opsdQQ

Reminder: the Chicago Energy Benchmarking compliance deadline is approaching. If you own a covered building of 50,000 square feet or above, submit your 2025 energy data by June 1, 2026. Need help? Visit chicago.gov/energybenchmarking to find more information.

Grab your helmets and join @equiticity.bsky.social for a fun and informative bike ride this Saturday, 5/30! 🚲 The ride will explore how Equiticity works to develop and implement neighborhood mobility models in North Lawndale. Learn more and RSVP at eqty.info/NLride

Thanks to all who shared their thoughtful feedback at last night's Community Conversation on Data Centers! And thanks to our panelists, Rachel Havrelock, UIC Freshwater Lab; Meera Raja, P33 Chicago; Kavi Chintam, @votesolar.bsky.social; Sarah Moskowitz, @cubillinois.bsky.social, for their insights.

Reminder: join us on 5/19 to discuss data centers! We'll hear from panelists who will cover various aspects of data centers: Rachel Havrelock, UIC Freshwater Lab; Meera Raja, P33; Kavi Chintam, @votesolar.bsky.social; Sarah Moskowitz, @cubillinois.bsky.social. RSVP now! chi.gov/data-centers...

New role alert! DOE is looking for an attorney to join our team. Read the full description and apply at chi.gov/doejobs

Join us on May 19th to discuss the current state & future of data centers. The event will feature a panel discussion & moderated breakout conversations focused on energy, water, economic development, & more. Register now to attend & share your feedback: chi.gov/data-centers...

Are you an operations pro? Apply for our new Principal Operations Analyst role! Read more and apply by May 11th at chi.gov/doejobs

The 2026 Chicago Green Infrastructure Strategy is now live! 📣This Strategy will help ensure equitable investment in nature-based solutions across the city. Please read the Strategy & provide feedback by 7/10/2026 to help shape the final version. chi.gov/green-infras...

Reminder: join us tomorrow morning at 10am for the launch of the 2026 Green Infrastructure Strategy! Register for this virtual event at chi.gov/chicago-gsi-...

Today, DOE is fully restored!🎉With the return of environmental remediation & regulatory functions, we're ready to advance environmental safeguards, lead efforts to turn contaminated land to new, productive uses, & cement Chicago’s environmental leadership nationally & globally.

This Earth Month was one for the books – and we're not just talking about our new Library Solar project at the Toman branch!😉 Thank you to all our partners who supported our events, gave us opportunities to share info about our work, and made this Earth Month special. (1/4)

Hiring news! 📣We're looking for Senior Environmental Inspectors to join our team. Read the full description and apply by this Friday, May 1! chi.gov/doejobs

Join us on Tuesday, 5/5, as we launch the 2026 Green Infrastructure Strategy! We'll cover the Strategy's key points, discuss how it can advance equitable, nature-based approaches, and invite everyone to submit feedback to shape the final version. Register: chi.gov/chicago-gsi-...

We are rapidly approaching our goal of planting 75,000 trees across Chicago, particularly in the neighborhoods that have the least tree cover. Maintaining a vibrant urban forest is crucial for the health of every Chicagoan. Happy Arbor Day, Chicago.

Clean energy makes communities healthier and more resilient. We're proud to work with the Department of Fleet & Facility Management and @chipublib.bsky.social to bring clean energy generation to neighborhood libraries.

Thank you to @mayorofchicago.bsky.social, Alderman Rodriguez, @chipublib.bsky.social Commissioner Brown, Melanie Minuche of LVEJO, and all our guests for joining us yesterday at Toman branch library in Little Village to celebrate our newest Library Solar project. www.chicago.gov/city/en/dept...

Every day is Earth Day for communities facing the greatest environmental burdens. Thank you to everyone who shared their experiences at "Stories from the Frontlines" earlier this month. Your voices help drive this work and remind us why it matters.

Join in the fun tomorrow for Earth Day Families in Motion! 🌎Help clean up a park, ride your bike, enjoy an Earth Day storytime, or take a play break at a Space to Grow schoolyard. Find full details at chi.gov/earthday @chipublib.bsky.social @mayorofchicago.bsky.social

From reestablishing the Department of the Environment to introducing the Hazel Johnson Cumulative Impacts Ordinance, my administration is committed to upholding the environmental principles Charles Lee has fought for his entire career. It was a privilege to host him and frontline community leaders.

Join us this Friday, 4/10, for an event focused on storytelling & collective learning about today's environmental justice challenges & the local solutions – like the Hazel Johnson Cumulative Impacts Ordinance – being developed to address them. Register at act.ilenviro.org/a/stories-fr...

Hungry for some planet-friendly menu options? You have one more day to check out plant-rich menu specials at three Chicago restaurants participating in the Eat for Impact initiative. Learn more at www.eatforimpact.org/chicago

Proud to share that DOE Assistant Commissioner Lindy Wordlaw has been recognized in the @msichicago.bsky.social Women in Energy exhibit! Visit the museum this month to learn more about Lindy and the other powerful women shaping the future of energy innovation. www.griffinmsi.org/exhibits/wom...

Come learn about the relaunched Chicago Energy Benchmarking program and get tips to start reporting your building's energy use on the new BEAM platform! 💡 Join us this Wednesday, March 25, from 1-2pm for an interactive webinar. Register at chi.gov/CEBwebinar

Apply now to help DOE grow its personnel and payroll operations! 📋Visit chi.gov/doejobs to learn more about the Administrative Services Officer I role.

Help expand solar energy in Chicago! Submit responses to DOE and 2FM's Request for Information regarding opportunities for rooftop and community solar development on City properties. Learn more at chi.gov/solarRFI

Today, @mayorofchicago.bsky.social & DOE announced the relaunch of Chicago Energy Benchmarking, a program that tracks large buildings’ energy use and helps building owners understand their energy consumption and discover opportunities for cost savings. Learn more at chicago.gov/energybenchmarking

Happy 189th Birthday, Chicago! 🎉From the Native peoples who first stewarded this land to Hazel Johnson, "the Mother of Environmental Justice," Chicagoans have long understood why we must protect this place and all who live here. Today, we are proud to drive this work forward.

Want to help shape the administrative functions of our growing department? Apply for DOE's Assistant Commissioner role! Learn more and apply at chi.gov/doejobs

Another hiring update from DOE! 📣We're looking for Environmental Engineers to join our land remediation team, a group of seasoned professionals joining DOE in March 2026. Learn more and apply at chi.gov/doejobs

Green Homes Chicago drives environmental and housing justice forward by providing free clean energy upgrades and essential health & safety repairs to the people who need them most. Find out if you qualify and register by Feb. 27 at Chicago.gov/greenhomes

DOE is hiring! 📣We're looking for a PR Representative to help support our department's communications needs. Learn more about the role and apply at chi.gov/doejobs.

Are you a college student with ideas for a more resilient, equitable, sustainable city? Join @c40cities.bsky.social, DOE, & @chicagohousing.bsky.social today at 1pm to learn about the #ReinventingCities Design Competition. https://c40.zoom.us/webinar/register/WN_yBKjZV02QYCVJHHcgZkezw#/registration