AQSQID: 060710026

Site Name: Ontario Near Road

Location: Ontario (Fontana Gateway), CA

Reporting: True, Located: True

Current AQI: 15.0

Ontario (Fontana Gateway) CA, US: 34.068114, -117.525796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 6, 2020, 2 a.m. 15.8 ppb (15) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A N/A 15.0
 
April 6, 2020, 1 a.m. 17.8 ppb (16) 7.5 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A N/A 16.0
 
April 6, 2020, midnight 13.8 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 13.0
 
April 5, 2020, 11 p.m. 12.5 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A N/A 12.0
 
April 5, 2020, 10 p.m. 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A N/A 16.0
 
April 5, 2020, 9 p.m. 16.9 ppb (16) 7.1 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A N/A 16.0
 
April 5, 2020, 8 p.m. 15.2 ppb (14) 6.5 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A N/A 14.0
 
April 5, 2020, 7 p.m. 13.8 ppb (13) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A N/A 13.0
 
April 5, 2020, 6 p.m. 6.6 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A N/A 6.0
 
April 5, 2020, 5 p.m. 6.6 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A N/A 6.0
 
April 5, 2020, 4 p.m. 9.8 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 9.0
 
April 5, 2020, 3 p.m. 7.6 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A N/A 7.0
 
April 5, 2020, 2 p.m. 13.8 ppb (13) 3.2 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
April 5, 2020, 1 p.m. 18.4 ppb (17) 4.7 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A 0.19 ppb (2) N/A N/A 17.0
 
April 5, 2020, noon 14.8 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A N/A 14.0
 
April 5, 2020, 11 a.m. 13.5 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.18 ppb (2) N/A N/A 12.0
 
April 5, 2020, 10 a.m. 12.3 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.18 ppb (2) N/A N/A 11.0
 
April 5, 2020, 9 a.m. 12.7 ppb (12) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.17 ppb (2) N/A N/A 12.0
 
April 5, 2020, 8 a.m. 11.5 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.19 ppb (2) N/A N/A 11.0
 
April 5, 2020, 7 a.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 7.0
 
April 5, 2020, 6 a.m. 16.7 ppb (15) 3.7 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.24 ppb (3) N/A N/A 15.0
 
April 5, 2020, 5 a.m. 17.4 ppb (16) 4.2 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A N/A 16.0
 
April 5, 2020, 4 a.m. 16.0 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A N/A 15.0
 
April 5, 2020, 3 a.m. 13.8 ppb (13) 4.5 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 13.0
 
April 5, 2020, 2 a.m. 14.9 ppb (14) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A N/A 14.0
 
April 5, 2020, 1 a.m. 17.4 ppb (16) 5.9 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 16.0
 
April 5, 2020, midnight 15.3 ppb (14) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A N/A 14.0
 
April 4, 2020, 11 p.m. 15.0 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A N/A 14.0
 
April 4, 2020, 10 p.m. 14.7 ppb (14) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A N/A 14.0
 
April 4, 2020, 9 p.m. 14.6 ppb (14) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 14.0
 
April 4, 2020, 8 p.m. 17.3 ppb (16) 6.4 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A N/A 16.0
 
April 4, 2020, 7 p.m. 7.7 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A N/A 7.0
 
April 4, 2020, 6 p.m. 10.7 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 10.0
 
April 4, 2020, 5 p.m. 23.2 ppb (21) 7.8 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A 0.25 ppb (3) N/A N/A 21.0
 
April 4, 2020, 4 p.m. 34.2 ppb (32) 11.8 ppb (11) N/A 22.0 ppb (20) N/A N/A N/A 0.29 ppb (3) N/A N/A 32.0
 
April 4, 2020, 3 p.m. 14.3 ppb (13) 3.6 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
April 4, 2020, 2 p.m. 24.5 ppb (23) 5.0 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.23 ppb (3) N/A N/A 23.0
 
April 4, 2020, 1 p.m. 19.6 ppb (18) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A N/A 0.22 ppb (2) N/A N/A 18.0
 
April 4, 2020, noon 19.5 ppb (18) 3.9 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.21 ppb (2) N/A N/A 18.0
 
April 4, 2020, 11 a.m. 32.0 ppb (30) 9.8 ppb (9) N/A 22.0 ppb (20) N/A N/A N/A 0.28 ppb (3) N/A N/A 30.0
 
April 4, 2020, 10 a.m. 29.7 ppb (28) 7.6 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.26 ppb (3) N/A N/A 28.0
 
April 4, 2020, 9 a.m. 16.1 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.23 ppb (3) N/A N/A 15.0
 
April 4, 2020, 8 a.m. 33.6 ppb (31) 6.7 ppb (6) N/A 27.0 ppb (25) N/A N/A N/A 0.26 ppb (3) N/A N/A 31.0
 
April 4, 2020, 7 a.m. 32.6 ppb (30) 7.5 ppb (7) N/A 25.0 ppb (23) N/A N/A N/A 0.28 ppb (3) N/A N/A 30.0
 
April 4, 2020, 6 a.m. 25.6 ppb (24) 6.0 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A 0.25 ppb (3) N/A N/A 24.0
 
April 4, 2020, 5 a.m. 30.5 ppb (28) 8.7 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A 0.3 ppb (3) N/A N/A 28.0
 
April 4, 2020, 4 a.m. 36.3 ppb (34) 9.7 ppb (9) N/A 27.0 ppb (25) N/A N/A N/A 0.32 ppb (4) N/A N/A 34.0
 
April 4, 2020, 3 a.m. 33.8 ppb (31) 9.8 ppb (9) N/A 24.0 ppb (22) N/A N/A N/A 0.33 ppb (4) N/A N/A 31.0
 
April 4, 2020, 2 a.m. 30.8 ppb (29) 9.3 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.34 ppb (4) N/A N/A 29.0
 
April 4, 2020, 1 a.m. 32.6 ppb (30) 10.1 ppb (9) N/A 22.0 ppb (20) N/A N/A N/A 0.37 ppb (4) N/A N/A 30.0
 
April 4, 2020, midnight 31.3 ppb (29) 9.8 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.41 ppb (5) N/A N/A 29.0
 
April 3, 2020, 11 p.m. 33.4 ppb (31) 11.2 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A 0.38 ppb (4) N/A N/A 31.0
 
April 3, 2020, 10 p.m. 30.8 ppb (29) 10.7 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.32 ppb (4) N/A N/A 29.0
 
April 3, 2020, 9 p.m. 33.3 ppb (31) 13.0 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.31 ppb (3) N/A N/A 31.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 3, 2020, 4 p.m. 48.1 ppb (45) 23.9 ppb (22) N/A 24.0 ppb (22) N/A N/A N/A 0.27 ppb (3) N/A N/A 45.0
 
April 3, 2020, 3 p.m. 57.4 ppb (54) 28.4 ppb (26) N/A 29.0 ppb (27) N/A N/A N/A 0.29 ppb (3) N/A N/A 54.0
 
April 3, 2020, 2 p.m. 65.9 ppb (63) 32.0 ppb (30) N/A 34.0 ppb (31) N/A N/A N/A 0.32 ppb (4) N/A N/A 63.0
 
April 3, 2020, 1 p.m. 54.9 ppb (51) 22.2 ppb (21) N/A 33.0 ppb (31) N/A N/A N/A 0.29 ppb (3) N/A N/A 51.0
 
April 3, 2020, noon 51.6 ppb (48) 21.4 ppb (20) N/A 30.0 ppb (28) N/A N/A N/A 0.26 ppb (3) N/A N/A 48.0
 
April 3, 2020, 11 a.m. 25.4 ppb (24) 5.7 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.17 ppb (2) N/A N/A 24.0
 
April 3, 2020, 10 a.m. 21.4 ppb (20) 4.8 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.16 ppb (2) N/A N/A 20.0
 
April 3, 2020, 9 a.m. 13.3 ppb (12) 1.7 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.17 ppb (2) N/A N/A 12.0
 
April 3, 2020, 8 a.m. 12.1 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.15 ppb (2) N/A N/A 11.0
 
April 3, 2020, 7 a.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.15 ppb (2) N/A N/A 10.0
 
April 3, 2020, 6 a.m. 25.2 ppb (23) 5.2 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.19 ppb (2) N/A N/A 23.0
 
April 3, 2020, 5 a.m. 40.4 ppb (37) 13.4 ppb (12) N/A 27.0 ppb (25) N/A N/A N/A 0.26 ppb (3) N/A N/A 37.0
 
April 3, 2020, 4 a.m. 33.0 ppb (31) 11.3 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A 0.25 ppb (3) N/A N/A 31.0
 
April 3, 2020, 3 a.m. 29.2 ppb (27) 10.2 ppb (9) N/A 19.0 ppb (18) N/A N/A N/A 0.25 ppb (3) N/A N/A 27.0
 
April 3, 2020, 2 a.m. 32.1 ppb (30) 11.6 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A 0.29 ppb (3) N/A N/A 30.0
 
April 3, 2020, 1 a.m. 28.7 ppb (27) 10.1 ppb (9) N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (3) N/A N/A 27.0
 
April 3, 2020, midnight 31.5 ppb (29) 11.1 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 29.0
 
April 2, 2020, 11 p.m. 29.9 ppb (28) 11.0 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.26 ppb (3) N/A N/A 28.0
 
April 2, 2020, 10 p.m. 23.8 ppb (22) 8.8 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.22 ppb (2) N/A N/A 22.0
 
April 2, 2020, 9 p.m. 36.4 ppb (34) 14.5 ppb (13) N/A 22.0 ppb (20) N/A N/A N/A 0.26 ppb (3) N/A N/A 34.0
 
April 2, 2020, 8 p.m. 14.1 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.17 ppb (2) N/A N/A 13.0
 
April 2, 2020, 7 p.m. 13.2 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.16 ppb (2) N/A N/A 12.0
 
April 2, 2020, 6 p.m. 22.8 ppb (21) 9.0 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.18 ppb (2) N/A N/A 21.0
 
April 2, 2020, 5 p.m. 59.3 ppb (56) 30.6 ppb (28) N/A 29.0 ppb (27) N/A N/A N/A 0.24 ppb (3) N/A N/A 56.0
 
April 2, 2020, 4 p.m. 55.9 ppb (52) 27.1 ppb (25) N/A 29.0 ppb (27) N/A N/A N/A 0.26 ppb (3) N/A N/A 52.0
 
April 2, 2020, 3 p.m. 14.2 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.16 ppb (2) N/A N/A 13.0
 
April 2, 2020, 2 p.m. 12.5 ppb (12) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.15 ppb (2) N/A N/A 12.0
 
April 2, 2020, 1 p.m. 10.3 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.13 ppb (1) N/A N/A 10.0
 
April 2, 2020, noon 11.3 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.13 ppb (1) N/A N/A 10.0
 
April 2, 2020, 11 a.m. 36.4 ppb (34) 13.5 ppb (12) N/A 23.0 ppb (21) N/A N/A N/A 0.2 ppb (2) N/A N/A 34.0
 
April 2, 2020, 10 a.m. 27.7 ppb (26) 8.2 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.16 ppb (2) N/A N/A 26.0
 
April 2, 2020, 9 a.m. 32.5 ppb (30) 13.7 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.16 ppb (2) N/A N/A 30.0
 
April 2, 2020, 8 a.m. 29.9 ppb (28) 11.7 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A N/A 28.0
 
April 2, 2020, 7 a.m. 23.7 ppb (22) 8.8 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.21 ppb (2) N/A N/A 22.0
 
April 2, 2020, 6 a.m. 32.7 ppb (30) 11.8 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.23 ppb (3) N/A N/A 30.0
 
April 2, 2020, 5 a.m. 14.6 ppb (14) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A N/A 14.0
 
April 2, 2020, 4 a.m. 26.8 ppb (25) 5.1 ppb (5) N/A 22.0 ppb (20) N/A N/A N/A 0.23 ppb (3) N/A N/A 25.0
 
April 2, 2020, 3 a.m. 28.8 ppb (27) 8.2 ppb (8) N/A 21.0 ppb (19) N/A N/A N/A 0.21 ppb (2) N/A N/A 27.0
 
April 2, 2020, 2 a.m. 31.4 ppb (29) 9.8 ppb (9) N/A 22.0 ppb (20) N/A N/A N/A 0.29 ppb (3) N/A N/A 29.0
 
April 2, 2020, 1 a.m. 31.1 ppb (29) 11.4 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A 0.28 ppb (3) N/A N/A 29.0
 
April 2, 2020, midnight 35.5 ppb (33) 12.7 ppb (12) N/A 23.0 ppb (21) N/A N/A N/A 0.33 ppb (4) N/A N/A 33.0
 
April 1, 2020, 11 p.m. 26.8 ppb (25) 8.2 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (3) N/A N/A 25.0
 
April 1, 2020, 10 p.m. 36.6 ppb (34) 11.9 ppb (11) N/A 25.0 ppb (23) N/A N/A N/A 0.35 ppb (4) N/A N/A 34.0
 
April 1, 2020, 9 p.m. 41.8 ppb (39) 13.7 ppb (13) N/A 28.0 ppb (26) N/A N/A N/A 0.34 ppb (4) N/A N/A 39.0
 
April 1, 2020, 8 p.m. 35.7 ppb (33) 12.1 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.29 ppb (3) N/A N/A 33.0
 
April 1, 2020, 7 p.m. 41.7 ppb (39) 15.1 ppb (14) N/A 27.0 ppb (25) N/A N/A N/A 0.31 ppb (3) N/A N/A 39.0
 
April 1, 2020, 6 p.m. 44.8 ppb (41) 16.0 ppb (15) N/A 29.0 ppb (27) N/A N/A N/A 0.37 ppb (4) N/A N/A 41.0
 
April 1, 2020, 5 p.m. 71.7 ppb (69) 32.3 ppb (30) N/A 39.0 ppb (36) N/A N/A N/A 0.47 ppb (5) N/A N/A 69.0
 
April 1, 2020, 4 p.m. 71.2 ppb (68) 36.2 ppb (34) N/A 35.0 ppb (32) N/A N/A N/A 0.45 ppb (5) N/A N/A 68.0
 
April 1, 2020, 3 p.m. 132.3 ppb (106) 87.0 ppb (85) N/A 45.0 ppb (42) N/A N/A N/A 0.74 ppb (8) N/A N/A 106.0
 
April 1, 2020, 2 p.m. 149.7 ppb (109) 109.6 ppb (102) N/A 40.0 ppb (37) N/A N/A N/A 0.76 ppb (8) N/A N/A 109.0
 
April 1, 2020, 1 p.m. 122.7 ppb (104) 86.4 ppb (84) N/A 36.0 ppb (33) N/A N/A N/A 0.66 ppb (7) N/A N/A 104.0
 
April 1, 2020, noon 72.5 ppb (70) 40.9 ppb (38) N/A 32.0 ppb (30) N/A N/A N/A 0.51 ppb (6) N/A N/A 70.0
 
April 1, 2020, 11 a.m. 87.2 ppb (85) 48.1 ppb (45) N/A 39.0 ppb (36) N/A N/A N/A 0.56 ppb (6) N/A N/A 85.0
 
April 1, 2020, 10 a.m. 84.4 ppb (82) 42.3 ppb (39) N/A 42.0 ppb (39) N/A N/A N/A 0.52 ppb (6) N/A N/A 82.0
 
April 1, 2020, 9 a.m. 61.2 ppb (58) 18.1 ppb (17) N/A 43.0 ppb (40) N/A N/A N/A 0.48 ppb (5) N/A N/A 58.0
 
April 1, 2020, 8 a.m. 74.8 ppb (72) 24.0 ppb (22) N/A 51.0 ppb (47) N/A N/A N/A 0.49 ppb (5) N/A N/A 72.0
 
April 1, 2020, 7 a.m. 66.1 ppb (63) 16.9 ppb (16) N/A 49.0 ppb (45) N/A N/A N/A 0.45 ppb (5) N/A N/A 63.0
 
April 1, 2020, 6 a.m. 61.0 ppb (57) 13.4 ppb (12) N/A 48.0 ppb (44) N/A N/A N/A 0.45 ppb (5) N/A N/A 57.0
 
April 1, 2020, 5 a.m. 46.9 ppb (43) 5.2 ppb (5) N/A 42.0 ppb (39) N/A N/A N/A 0.39 ppb (4) N/A N/A 43.0
 
April 1, 2020, 4 a.m. 54.1 ppb (50) 11.8 ppb (11) N/A 42.0 ppb (39) N/A N/A N/A 0.45 ppb (5) N/A N/A 50.0
 
April 1, 2020, 3 a.m. 55.5 ppb (52) 15.2 ppb (14) N/A 40.0 ppb (37) N/A N/A N/A 0.41 ppb (5) N/A N/A 52.0
 
April 1, 2020, 2 a.m. 57.3 ppb (54) 15.5 ppb (14) N/A 42.0 ppb (39) N/A N/A N/A 0.42 ppb (5) N/A N/A 54.0
 
April 1, 2020, 1 a.m. 58.5 ppb (55) 14.5 ppb (13) N/A 44.0 ppb (41) N/A N/A N/A 0.5 ppb (6) N/A N/A 55.0
 
April 1, 2020, midnight 53.6 ppb (50) 14.0 ppb (13) N/A 40.0 ppb (37) N/A N/A N/A 0.48 ppb (5) N/A N/A 50.0
 
March 31, 2020, 11 p.m. 48.1 ppb (45) 14.4 ppb (13) N/A 34.0 ppb (31) N/A N/A N/A 0.42 ppb (5) N/A N/A 45.0
 
March 31, 2020, 10 p.m. 58.6 ppb (55) 21.2 ppb (20) N/A 37.0 ppb (34) N/A N/A N/A 0.37 ppb (4) N/A N/A 55.0
 
March 31, 2020, 9 p.m. 65.4 ppb (62) 27.1 ppb (25) N/A 38.0 ppb (35) N/A N/A N/A 0.41 ppb (5) N/A N/A 62.0
 
March 31, 2020, 8 p.m. 75.3 ppb (73) 33.7 ppb (31) N/A 42.0 ppb (39) N/A N/A N/A 0.43 ppb (5) N/A N/A 73.0
 
March 31, 2020, 7 p.m. 65.9 ppb (63) 27.5 ppb (25) N/A 38.0 ppb (35) N/A N/A N/A 0.38 ppb (4) N/A N/A 63.0
 
March 31, 2020, 6 p.m. 73.6 ppb (71) 34.2 ppb (32) N/A 39.0 ppb (36) N/A N/A N/A 0.41 ppb (5) N/A N/A 71.0
 
March 31, 2020, 5 p.m. 68.0 ppb (65) 32.0 ppb (30) N/A 36.0 ppb (33) N/A N/A N/A 0.4 ppb (4) N/A N/A 65.0
 
March 31, 2020, 4 p.m. 88.5 ppb (87) 48.8 ppb (45) N/A 40.0 ppb (37) N/A N/A N/A 0.46 ppb (5) N/A N/A 87.0
 
March 31, 2020, 3 p.m. 81.9 ppb (80) 46.5 ppb (43) N/A 35.0 ppb (32) N/A N/A N/A 0.52 ppb (6) N/A N/A 80.0
 
March 31, 2020, 2 p.m. 120.4 ppb (104) 81.9 ppb (80) N/A 38.0 ppb (35) N/A N/A N/A 0.57 ppb (6) N/A N/A 104.0
 
March 31, 2020, 1 p.m. 126.8 ppb (105) 84.8 ppb (83) N/A 42.0 ppb (39) N/A N/A N/A 0.62 ppb (7) N/A N/A 105.0
 
March 31, 2020, noon 70.1 ppb (67) 33.6 ppb (31) N/A 36.0 ppb (33) N/A N/A N/A 0.41 ppb (5) N/A N/A 67.0
 
March 31, 2020, 11 a.m. 42.1 ppb (39) 12.2 ppb (11) N/A 30.0 ppb (28) N/A N/A N/A 0.34 ppb (4) N/A N/A 39.0
 
March 31, 2020, 10 a.m. 41.6 ppb (39) 10.0 ppb (9) N/A 32.0 ppb (30) N/A N/A N/A 0.36 ppb (4) N/A N/A 39.0
 
March 31, 2020, 9 a.m. 62.4 ppb (59) 26.9 ppb (25) N/A 35.0 ppb (32) N/A N/A N/A 0.4 ppb (4) N/A N/A 59.0
 
March 31, 2020, 4 a.m. 37.3 ppb (35) 7.7 ppb (7) N/A 30.0 ppb (28) N/A N/A N/A 0.32 ppb (4) N/A N/A 35.0
 
March 31, 2020, 3 a.m. 25.3 ppb (23) 4.3 ppb (4) N/A 21.0 ppb (19) N/A N/A N/A 0.29 ppb (3) N/A N/A 23.0
 
March 31, 2020, 2 a.m. 43.6 ppb (40) 10.2 ppb (9) N/A 33.0 ppb (31) N/A N/A N/A 0.39 ppb (4) N/A N/A 40.0
 
March 31, 2020, 1 a.m. 45.6 ppb (42) 13.6 ppb (13) N/A 32.0 ppb (30) N/A N/A N/A 0.39 ppb (4) N/A N/A 42.0
 
March 31, 2020, midnight 40.8 ppb (38) 13.7 ppb (13) N/A 27.0 ppb (25) N/A N/A N/A 0.3 ppb (3) N/A N/A 38.0
 
March 30, 2020, 11 p.m. 32.0 ppb (30) 12.6 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.26 ppb (3) N/A N/A 30.0
 
March 30, 2020, 10 p.m. 34.3 ppb (32) 13.2 ppb (12) N/A 21.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A N/A 32.0
 
March 30, 2020, 9 p.m. 38.4 ppb (36) 16.5 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A 0.27 ppb (3) N/A N/A 36.0
 
March 30, 2020, 8 p.m. 33.0 ppb (31) 13.4 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.22 ppb (2) N/A N/A 31.0
 
March 30, 2020, 7 p.m. 44.8 ppb (41) 21.0 ppb (19) N/A 24.0 ppb (22) N/A N/A N/A 0.27 ppb (3) N/A N/A 41.0
 
March 30, 2020, 6 p.m. 49.3 ppb (46) 23.9 ppb (22) N/A 25.0 ppb (23) N/A N/A N/A 0.25 ppb (3) N/A N/A 46.0
 
March 30, 2020, 5 p.m. 37.7 ppb (35) 17.0 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.25 ppb (3) N/A N/A 35.0
 
March 30, 2020, 4 p.m. 54.9 ppb (51) 28.2 ppb (26) N/A 27.0 ppb (25) N/A N/A N/A 0.29 ppb (3) N/A N/A 51.0
 
March 30, 2020, 3 p.m. 57.0 ppb (53) 31.3 ppb (29) N/A 26.0 ppb (24) N/A N/A N/A 0.34 ppb (4) N/A N/A 53.0
 
March 30, 2020, 2 p.m. 88.8 ppb (87) 60.8 ppb (57) N/A 28.0 ppb (26) N/A N/A N/A 0.47 ppb (5) N/A N/A 87.0
 
March 30, 2020, 1 p.m. 88.9 ppb (87) 59.6 ppb (56) N/A 29.0 ppb (27) N/A N/A N/A 0.41 ppb (5) N/A N/A 87.0
 
March 30, 2020, noon 70.8 ppb (68) 42.1 ppb (39) N/A 29.0 ppb (27) N/A N/A N/A 0.37 ppb (4) N/A N/A 68.0
 
March 30, 2020, 11 a.m. 50.8 ppb (47) 24.8 ppb (23) N/A 26.0 ppb (24) N/A N/A N/A 0.33 ppb (4) N/A N/A 47.0
 
March 30, 2020, 10 a.m. 34.5 ppb (32) 9.7 ppb (9) N/A 25.0 ppb (23) N/A N/A N/A 0.33 ppb (4) N/A N/A 32.0
 
March 30, 2020, 9 a.m. 23.7 ppb (22) 5.4 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (3) N/A N/A 22.0
 
March 30, 2020, 8 a.m. 29.6 ppb (27) 6.1 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A 0.28 ppb (3) N/A N/A 27.0
 
March 30, 2020, 7 a.m. 25.7 ppb (24) 3.1 ppb (3) N/A 23.0 ppb (21) N/A N/A N/A 0.22 ppb (2) N/A N/A 24.0
 
March 30, 2020, 6 a.m. 25.5 ppb (24) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A N/A 0.22 ppb (2) N/A N/A 24.0
 
March 30, 2020, 5 a.m. 20.7 ppb (19) 5.4 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A 0.24 ppb (3) N/A N/A 19.0
 
March 30, 2020, 4 a.m. 21.4 ppb (20) 5.8 ppb (5) N/A 16.0 ppb (15) N/A N/A N/A 0.24 ppb (3) N/A N/A 20.0
 
March 30, 2020, 3 a.m. 20.4 ppb (19) 6.4 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.25 ppb (3) N/A N/A 19.0
 
March 30, 2020, 2 a.m. 15.5 ppb (14) 4.5 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A N/A 14.0
 
March 30, 2020, 1 a.m. 17.3 ppb (16) 5.6 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.26 ppb (3) N/A N/A 16.0
 
March 30, 2020, midnight 18.2 ppb (17) 6.6 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A N/A 17.0
 
March 29, 2020, 11 p.m. 16.5 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A N/A 15.0