AQSQID: 060832004

Site Name: Lompoc H Street

Location: Lompoc (S G St), CA

Reporting: True, Located: True

Current AQI: 21.0

Lompoc (S G St) CA, US: 34.637798, -120.456703

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 9.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 15.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 15.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 15.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 15.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 13.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 2.0 μg/m3 (8) 8.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 15.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 17.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 19.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 19.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 19.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 18.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 18.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 17.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 18.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 18.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 15.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 13.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 8.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 11.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 35.0 μg/m3 (32) 7.0 μg/m3 (29) 32.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 17.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 20.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 21.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 19.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 18.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 20.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 19.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 17.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) N/A
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 14.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 16.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) -1.0 μg/m3 (0) 22.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 22.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 20.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 40.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 27.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 12.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 19.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 21.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 21.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 19.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 39.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 25.0 μg/m3 (23) 3.0 μg/m3 (12) 23.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 20.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 18.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 17.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 16.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 11.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 20.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 21.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 17.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 22.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 20.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 18.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0