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A&O SCI 2L · Lab 1

Air Pollution Laboratory

Fall 2026Li, Q., Espinoza Acosta, J, Fulginiti, C., and Dellinger, R.J.1 unit

Seats, time, final and grades

Seats

Closed.

50 of 50 · 1 over enrolled.

Meets

Time TBA

Every meeting the registrar lists for this section.

Final

None on the page dibs read

No exam time on the page dibs read. That is not the registrar saying there is no final.

Grades

3.85
predicted, this instructor · 388 grades

388 letter grades, Li, Q., Espinoza Acosta, J, Fulginiti, C., and Dellinger, R.J..

Read 3 hours ago. The latest refresh is overdue. Seats and instructors may have changed since. Check the registrar before enrolling.

dibs has seen this section open 4 times since 17 August. The last time was 25 September.

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Before you can enroll

Restrictions read 14 hours ago.

When it meets

Mon
Tue
Wed
Thu
Fri
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
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5pm
6pm
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9pm
10pm

Meets: Meeting time not published

Online

Grades

3.85
predicted, this instructor · 388 grades
A range
94%
P/NP
3%
D/F/W
2.8%

Full grade history for A&O SCI 2L

What students say

dibs measures outcomes: grades, seats, how fast it fills. For what the class is actually like to sit in, BruinWalk has the reviews.

Workload, very light. 5.0 of 5 for Qinbin Li, where 5 is lightest. Read about 1 month ago.

What the work looks like

  • 2 exams, said by 1 reviewer
  • Problem sets mentioned, no number given, said by 1 reviewer

Read from 6 reviews about 1 month ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.

A&O SCI 2L reviews for Qinbin Li, one of 4 listed Reviews for all professors of A&O SCI 2L

Will it still be here

high risk chance of closing before your enrollment pass.

Final enrollment per term from four years of grade data. Summer excluded: different population, different pass structure.

  • 4622W
  • 4922F
  • 6823S
  • 4923F
  • 4624S
  • 4424F
  • 5225S
  • 4525F
Enrollment by term: 22W 46, 22F 49, 23S 68, 23F 49, 24S 46, 24F 44, 25S 52, 25F 45

Peak 68 · most recent 25F at 45

Seats over time

Nothing read since 1 Oct, 3 hours ago. Over about 2 months before that, same seat count, but the status moved and came back and the seat count moved and came back.

4 times reopened
50 of 50 · no seats left
17 Aug 12:329 Sep 01:471 Oct 15:03 · 3 hours ago
dibs read 168 of the 536 hours its hourly record covers, 31%, and did not look in 368. dibs had no hourly record before 9 Sep, which is the other 548 of 1084 plotted.50 of 50 enrolled at the newest reading, 3 hours ago, and no seats left. Seats from 17 Aug 12:32 to 1 Oct 15:03, 50 to 50. dibs read 168 of the 536 hours its hourly record here covers, 31%. An hour marked as read confirms a check, not continuous monitoring. That check recorded no change; changes between checks may be missed. For 368 hours dibs was keeping a record and did not reach this section. Nothing before 9 September at 08:00, where this section's record starts, has a read either way, which is 548 hours of this window. Where the drawing is faint or broken, that never means the readings are doubtful. It means the stretch between them is unaccounted for.

A dot is a reading where something moved: the seat count, the status, or the waitlist. Flat between dots joins recorded counts; changes between reads may be missed. The line starts when dibs first saw this section rather than reaching back before it existed. The last one is the last time dibs read this section, moved or not, and that was 3 hours ago. It is where the line stops, not where the count is now.

Show the readings (10)
Recorded Enrolled Capacity Status Waitlist Hours read
1 Oct 15:03 50 50 closed - 42 of 136
26 Sep 00:22 50 50 closed - 2 of 5
25 Sep 20:52 49 50 open - 2 of 4
25 Sep 17:42 50 50 closed - 5 of 14
25 Sep 04:12 49 50 open - 3 of 9
24 Sep 20:32 50 50 closed - 2 of 4
24 Sep 17:02 49 50 open - 17 of 52
22 Sep 14:22 50 50 closed - 2 of 4
22 Sep 11:02 49 50 open - 101 of 864, 548 no hourly record
17 Aug 12:32 50 50 closed - -
How readings and alerts work

A reading and an hourly record are different things, and most charts here hold more of the second missing than present. dibs has taken readings of a section since long before it began keeping an hour-by-hour log of when it looked, so the empty stretches are dibs saying it was not keeping that log yet, not that it looked and found nothing. That is the age of the record and not a fault.

Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.

The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.

Class chat

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