ID: 245

AQSQID: 061112002

Site Name: Simi Valley - Cochran Street

Added: April 21, 2020, 6:24 p.m.

Updated: Dec. 2, 2020, 3:41 p.m.

Location: Simi Valley (Simi Valley High School), CA

Reporting: True, Located: True

Current AQI: 38.0

Simi Valley (Simi Valley High School) CA, US: 34.2775, -118.6847

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 38.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 38.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 39.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 38.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 38.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 38.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 38.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 37.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 37.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) -1.0 μg/m3 (0) 38.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 36.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 36.0
 
Dec. 2, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 36.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 17.0 μg/m3 (16) -1.0 μg/m3 (0) 37.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) -3.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 13.0 μg/m3 (13) -3.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 11.0 μg/m3 (11) -2.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) -1.0 μg/m3 (0) 37.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 37.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 11.0 μg/m3 (11) -1.0 μg/m3 (0) 36.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 31.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 28.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 27.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 20.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 25.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 30.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 25.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 26.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 18.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 22.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 28.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 34.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 8.0 μg/m3 (8) -2.0 μg/m3 (0) 35.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 12.0 μg/m3 (12) -2.0 μg/m3 (0) 36.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 36.0
 
Dec. 1, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 36.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) -1.0 μg/m3 (0) 37.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) -3.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) -4.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) -4.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 37.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 32.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) -1.0 μg/m3 (0) 25.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 10.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 13.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 22.0 μg/m3 (21) 3.0 μg/m3 (13) 33.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 33.0
 
Nov. 30, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) -1.0 μg/m3 (0) 35.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 37.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 37.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 38.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) -3.0 μg/m3 (0) 36.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 36.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 36.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 37.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 35.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 33.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 34.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 19.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 17.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 21.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 25.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 37.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 37.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 38.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 36.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 29.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 32.0
 
Nov. 29, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 36.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 39.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 10.0 μg/m3 (10) -4.0 μg/m3 (0) 40.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 1.0 μg/m3 (1) -4.0 μg/m3 (0) 41.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 42.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 40.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 39.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 38.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 35.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 28.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 25.0
 
Nov. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 27.0
 
Nov. 28, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 29.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 0.0 μg/m3 (0) 30.0
 
Nov. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 31.0
 
Nov. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
Nov. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 35.0
 
Nov. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 35.0
 
Nov. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 36.0
 
Nov. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 36.0
 
Nov. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 36.0
 
Nov. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 37.0
 
Nov. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 0.0 μg/m3 (0) 37.0
 
Nov. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) -4.0 μg/m3 (0) 36.0
 
Nov. 28, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 10.0 μg/m3 (10) -4.0 μg/m3 (0) 36.0
 
Nov. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 11.0 μg/m3 (11) -1.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 12.0 μg/m3 (12) -1.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 1.0 μg/m3 (5) 37.0
 
Nov. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) -2.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 36.0
 
Nov. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 35.0
 
Nov. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 34.0
 
Nov. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 34.0
 
Nov. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 33.0
 
Nov. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 32.0
 
Nov. 27, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 33.0
 
Nov. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 33.0
 
Nov. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) -1.0 μg/m3 (0) 33.0
 
Nov. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -2.0 μg/m3 (0) 8.0
 
Nov. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 33.0
 
Nov. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 33.0
 
Nov. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 22.0 μg/m3 (21) 2.0 μg/m3 (9) 33.0
 
Nov. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 33.0
 
Nov. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 33.0
 
Nov. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 33.0
 
Nov. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 34.0
 
Nov. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 34.0
 
Nov. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 28.0 μg/m3 (26) -2.0 μg/m3 (0) 35.0
 
Nov. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 27.0 μg/m3 (25) 1.0 μg/m3 (5) 35.0
 
Nov. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 46.0 μg/m3 (43) 3.0 μg/m3 (13) 43.0
 
Nov. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 56.0 μg/m3 (52) 1.0 μg/m3 (5) 52.0
 
Nov. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 54.0 μg/m3 (50) 0.0 μg/m3 (0) 50.0
 
Nov. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 61.0 μg/m3 (54) 1.0 μg/m3 (5) 54.0
 
Nov. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 56.0 μg/m3 (52) 2.0 μg/m3 (9) 52.0
 
Nov. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 52.0 μg/m3 (49) 3.0 μg/m3 (13) 49.0
 
Nov. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 35.0
 
Nov. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 35.0
 
Nov. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 33.0
 
Nov. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 32.0
 
Nov. 26, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 24.0 μg/m3 (23) 3.0 μg/m3 (13) 33.0
 
Nov. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 34.0
 
Nov. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 34.0
 
Nov. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Nov. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
Nov. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 32.0 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
Nov. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
Nov. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 35.0 μg/m3 (33) 16.0 μg/m3 (60) 60.0
 
Nov. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Nov. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Nov. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 46.0
 
Nov. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 49.0
 
Nov. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 50.0
 
Nov. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 47.0
 
Nov. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 43.0
 
Nov. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 38.0
 
Nov. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 30.0 μg/m3 (28) 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 33.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0