ID: 1250

AQSQID: 060830011

Site Name: Santa Barbara

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

Updated: Jan. 18, 2021, 9:31 a.m.

Location: Santa Barbara (Laguna), CA

Reporting: True, Located: True

Current AQI: 50.0

Santa Barbara (Laguna) CA, US: 34.42775, -119.69091

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 40.0 μg/m3 (38) 19.0 μg/m3 (66) 66.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 42.0 μg/m3 (39) 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 41.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 34.0 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 36.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 38.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 39.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 38.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 37.0
 
Jan. 17, 2021, 7 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) 2.0 μg/m3 (9) 35.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 37.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 17.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 9.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 8.0 μg/m3 (8) 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 28.0 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 52.0 μg/m3 (49) 22.0 μg/m3 (72) 72.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 61.0 μg/m3 (54) 26.0 μg/m3 (81) 81.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 54.0 μg/m3 (50) 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 58.0 μg/m3 (53) 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 23.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 12.0 μg/m3 (12) -4.0 μg/m3 (0) 40.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 19.0 μg/m3 (18) -3.0 μg/m3 (0) 41.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 27.0 μg/m3 (25) 0.0 μg/m3 (0) 38.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 25.0 μg/m3 (24) 1.0 μg/m3 (5) 32.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 35.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 31.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 59.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 11.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 11 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) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 50.0 μg/m3 (47) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 40.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 50.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 45.0 μg/m3 (42) 7.0 μg/m3 (30) 42.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 49.0 μg/m3 (46) 4.0 μg/m3 (17) 46.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 22.0 μg/m3 (21) -1.0 μg/m3 (0) 34.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 18.0 μg/m3 (17) 1.0 μg/m3 (5) 39.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.0 μg/m3 (23) 0.0 μg/m3 (0) 38.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 33.0 μg/m3 (31) 3.0 μg/m3 (13) 32.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 54.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 81.0 μg/m3 (64) 14.0 μg/m3 (55) 64.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 39.0 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 13.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 25.0 μg/m3 (24) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 28.0 μg/m3 (26) 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 37.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 34.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 38.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 38.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 37.0
 
Jan. 14, 2021, 8 p.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
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 9.0 μg/m3 (9) -1.0 μg/m3 (0) 35.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 28.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 74.0 μg/m3 (61) 16.0 μg/m3 (60) 61.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 87.0 μg/m3 (67) 12.0 μg/m3 (50) 67.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 10.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 11.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 32.0 μg/m3 (30) 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 48.0 μg/m3 (45) 27.0 μg/m3 (83) 83.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 51.0 μg/m3 (48) 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 55.0 μg/m3 (51) 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 70.0 μg/m3 (59) 13.0 μg/m3 (53) 59.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 39.0 μg/m3 (37) 8.0 μg/m3 (34) 37.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 31.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 40.0 μg/m3 (38) 7.0 μg/m3 (30) 38.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 35.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 7 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) 4.0 μg/m3 (17) 34.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 62.0 μg/m3 (55) 13.0 μg/m3 (53) 55.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 34.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 31.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 9.0 μg/m3 (9) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 22.0 μg/m3 (21) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (28) 21.0 μg/m3 (70) 70.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 34.0 μg/m3 (32) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 33.0 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 34.0 μg/m3 (32) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 31.0 μg/m3 (29) 14.0 μg/m3 (55) 55.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 31.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 39.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 75.0 μg/m3 (61) 9.0 μg/m3 (38) 61.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 48.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 42.0 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 46.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 37.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 95.0 μg/m3 (71) 28.0 μg/m3 (85) 85.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 37.0 μg/m3 (35) 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 37.0 μg/m3 (35) 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 42.0 μg/m3 (39) 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 34.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 33.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 34.0
 
Jan. 11, 2021, 10 p.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
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 20.0 μg/m3 (19) 1.0 μg/m3 (5) 36.0
 
Jan. 11, 2021, 8 p.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
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 40.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0