AQSQID: 060195001

Site Name: Clovis - N. Villa Ave

Location: Clovis, CA

Reporting: True, Located: True

Current AQI: 62.0

Clovis CA, US: 36.819199, -119.7164

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 9 p.m. 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 80.0 ppb (62) 0.2 ppb (2) N/A N/A 62.0
 
July 22, 2019, 8 p.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 89.0 ppb (70) 0.23 ppb (3) N/A N/A 70.0
 
July 22, 2019, 7 p.m. 5.4 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 81.0 ppb (63) 0.23 ppb (3) N/A N/A 63.0
 
July 22, 2019, 6 p.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 71.0 ppb (55) 0.21 ppb (2) N/A N/A 55.0
 
July 22, 2019, 5 p.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (45) 0.22 ppb (2) N/A 19.4 μg/m3 (66) 66.0
 
July 22, 2019, 4 p.m. 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 46.0 ppb (35) 0.21 ppb (2) N/A 17.5 μg/m3 (62) 62.0
 
July 22, 2019, 3 p.m. 10.7 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
July 22, 2019, 2 p.m. 9.6 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 14.0
 
July 22, 2019, 1 p.m. 10.1 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A 1.7 μg/m3 (7) 12.0
 
July 22, 2019, noon 9.1 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
July 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
July 22, 2019, 10 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A 13.3 μg/m3 (53) 53.0
 
July 22, 2019, 9 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 19.8 μg/m3 (67) 67.0
 
July 22, 2019, 8 a.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 13.6 μg/m3 (53) 53.0
 
July 22, 2019, 7 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
July 22, 2019, 6 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
July 22, 2019, 5 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.18 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
July 22, 2019, 4 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (39) 0.19 ppb (2) N/A 7.4 μg/m3 (31) 39.0
 
July 22, 2019, 3 a.m. 4.4 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (41) 0.21 ppb (2) N/A 18.1 μg/m3 (63) 63.0
 
July 22, 2019, 2 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) 0.2 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
July 22, 2019, 1 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 47.0
 
July 22, 2019, midnight 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (48) 0.15 ppb (2) N/A 9.3 μg/m3 (39) 48.0
 
July 21, 2019, 11 p.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.15 ppb (2) N/A 22.7 μg/m3 (73) 73.0
 
July 21, 2019, 10 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.15 ppb (2) N/A 10.1 μg/m3 (42) 47.0
 
July 21, 2019, 9 p.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.16 ppb (2) N/A 22.0 μg/m3 (71) 71.0
 
July 21, 2019, 8 p.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) 0.17 ppb (2) N/A 4.9 μg/m3 (20) 48.0
 
July 21, 2019, 7 p.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (50) 0.19 ppb (2) N/A 15.3 μg/m3 (57) 57.0
 
July 21, 2019, 6 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.2 ppb (2) N/A 16.9 μg/m3 (60) 60.0
 
July 21, 2019, 5 p.m. 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) 0.19 ppb (2) N/A 17.8 μg/m3 (62) 62.0
 
July 21, 2019, 4 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.18 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
July 21, 2019, 3 p.m. 5.7 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
July 21, 2019, 2 p.m. 6.9 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 2.9 μg/m3 (12) 17.0
 
July 21, 2019, 1 p.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.17 ppb (2) N/A 2.9 μg/m3 (12) 13.0
 
July 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
July 21, 2019, 10 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
July 21, 2019, 9 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.21 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
July 21, 2019, 8 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
July 21, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.2 ppb (2) N/A 5.6 μg/m3 (23) 34.0
 
July 21, 2019, 6 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 35.0
 
July 21, 2019, 5 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.2 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
July 21, 2019, 4 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 38.0
 
July 21, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) 0.21 ppb (2) N/A 9.7 μg/m3 (40) 44.0
 
July 21, 2019, 2 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) 0.21 ppb (2) N/A 8.2 μg/m3 (34) 47.0
 
July 21, 2019, 1 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) 0.2 ppb (2) N/A 8.2 μg/m3 (34) 48.0
 
July 21, 2019, midnight 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) 0.18 ppb (2) N/A 5.8 μg/m3 (24) 45.0
 
July 20, 2019, 11 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) 0.18 ppb (2) N/A 8.2 μg/m3 (34) 45.0
 
July 20, 2019, 10 p.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) 0.19 ppb (2) N/A 15.4 μg/m3 (57) 57.0
 
July 20, 2019, 9 p.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.18 ppb (2) N/A 8.2 μg/m3 (34) 42.0
 
July 20, 2019, 8 p.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 45.0
 
July 20, 2019, 7 p.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (48) 0.22 ppb (2) N/A 13.3 μg/m3 (53) 53.0
 
July 20, 2019, 6 p.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (43) 0.25 ppb (3) N/A 14.3 μg/m3 (55) 55.0
 
July 20, 2019, 5 p.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.21 ppb (2) N/A 9.2 μg/m3 (38) 38.0
 
July 20, 2019, 4 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
July 20, 2019, 3 p.m. 6.1 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
July 20, 2019, 2 p.m. 5.9 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.18 ppb (2) N/A 9.2 μg/m3 (38) 38.0
 
July 20, 2019, 1 p.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.19 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
July 20, 2019, 10 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 20, 2019, 9 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 8 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
July 20, 2019, 7 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.16 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
July 20, 2019, 6 a.m. 5.5 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 14.9 μg/m3 (56) 56.0
 
July 20, 2019, 5 a.m. 5.6 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
July 20, 2019, 4 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 32.0
 
July 20, 2019, 3 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) 0.17 ppb (2) N/A 4.5 μg/m3 (19) 41.0
 
July 20, 2019, 2 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) 0.16 ppb (2) N/A 3.7 μg/m3 (15) 42.0
 
July 20, 2019, 1 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.16 ppb (2) N/A 11.4 μg/m3 (48) 48.0
 
July 20, 2019, midnight 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.14 ppb (2) N/A 3.7 μg/m3 (15) 40.0
 
July 19, 2019, 11 p.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 42.0
 
July 19, 2019, 10 p.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) 0.15 ppb (2) N/A 8.1 μg/m3 (34) 43.0
 
July 19, 2019, 9 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.16 ppb (2) N/A 12.3 μg/m3 (51) 51.0
 
July 19, 2019, 8 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.16 ppb (2) N/A 4.5 μg/m3 (19) 38.0
 
July 19, 2019, 7 p.m. 4.1 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.16 ppb (2) N/A 3.1 μg/m3 (13) 35.0
 
July 19, 2019, 6 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
July 19, 2019, 5 p.m. 9.4 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
July 19, 2019, 4 p.m. 7.2 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 17.9 μg/m3 (63) 63.0
 
July 19, 2019, 3 p.m. 11.9 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
July 19, 2019, 2 p.m. 12.2 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.22 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
July 19, 2019, 1 p.m. 11.4 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) 0.19 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
July 19, 2019, noon 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) 0.17 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 19, 2019, 10 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 0.18 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
July 19, 2019, 9 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
July 19, 2019, 8 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.19 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
July 19, 2019, 7 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.17 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
July 19, 2019, 5 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A 3.7 μg/m3 (15) 18.0
 
July 19, 2019, 4 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
July 19, 2019, 3 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A -0.1 μg/m3 (0) 30.0
 
July 19, 2019, 2 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.18 ppb (2) N/A 10.9 μg/m3 (45) 45.0
 
July 19, 2019, 1 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) 0.17 ppb (2) N/A 10.2 μg/m3 (42) 44.0
 
July 19, 2019, midnight 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.14 ppb (2) N/A -1.0 μg/m3 (0) 41.0
 
July 18, 2019, 11 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) 0.14 ppb (2) N/A 9.7 μg/m3 (40) 42.0
 
July 18, 2019, 10 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (49) 0.17 ppb (2) N/A 9.4 μg/m3 (39) 49.0
 
July 18, 2019, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 18, 2019, 8 p.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (53) 0.2 ppb (2) N/A 9.2 μg/m3 (38) 53.0
 
July 18, 2019, 7 p.m. 9.5 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 74.0 ppb (57) 0.2 ppb (2) N/A 12.4 μg/m3 (51) 57.0
 
July 18, 2019, 6 p.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 68.0 ppb (52) 0.2 ppb (2) N/A 25.0 μg/m3 (78) 78.0
 
July 18, 2019, 5 p.m. 6.9 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (42) 0.17 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
July 18, 2019, 4 p.m. 7.2 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
July 18, 2019, 3 p.m. 14.1 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.21 ppb (2) N/A 27.6 μg/m3 (83) 83.0
 
July 18, 2019, 2 p.m. 15.7 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A 18.7 μg/m3 (64) 64.0
 
July 18, 2019, 1 p.m. 15.1 ppb (14) 1.5 ppb (1) N/A 14.0 ppb (13) N/A N/A 13.0 ppb (10) 0.23 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 18, 2019, noon 13.7 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.19 ppb (2) N/A 13.6 μg/m3 (53) 53.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
July 18, 2019, 10 a.m. 6.7 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 0.0 μg/m3 (0) 20.0
 
July 18, 2019, 9 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 3.8 μg/m3 (16) 23.0
 
July 18, 2019, 8 a.m. 6.5 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
July 18, 2019, 7 a.m. 8.0 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
July 18, 2019, 6 a.m. 8.2 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.24 ppb (3) N/A 15.8 μg/m3 (58) 58.0
 
July 18, 2019, 5 a.m. 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 39.0 ppb (30) 0.24 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
July 18, 2019, 4 a.m. 8.8 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.24 ppb (3) N/A 8.2 μg/m3 (34) 34.0
 
July 18, 2019, 3 a.m. 6.4 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) 0.22 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
July 18, 2019, 2 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
July 18, 2019, 1 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A 0.5 μg/m3 (2) 32.0
 
July 18, 2019, midnight 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
July 17, 2019, 11 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.14 ppb (2) N/A 7.5 μg/m3 (31) 35.0
 
July 17, 2019, 10 p.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) 0.15 ppb (2) N/A N/A 38.0
 
July 17, 2019, 9 p.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) 0.16 ppb (2) N/A N/A 41.0
 
July 17, 2019, 8 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.15 ppb (2) N/A N/A 38.0
 
July 17, 2019, 7 p.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
July 17, 2019, 6 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.22 ppb (2) N/A N/A 35.0
 
July 17, 2019, 5 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A N/A 31.0
 
July 17, 2019, 4 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
July 17, 2019, 3 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A N/A 21.0
 
July 17, 2019, 2 p.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.16 ppb (2) N/A N/A 17.0
 
July 17, 2019, 1 p.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A N/A 13.0
 
July 17, 2019, noon 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A N/A 13.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 17, 2019, 10 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A N/A 16.0
 
July 17, 2019, 9 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A N/A 17.0
 
July 17, 2019, 8 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A N/A 18.0
 
July 17, 2019, 7 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.13 ppb (1) N/A N/A 18.0
 
July 17, 2019, 6 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.13 ppb (1) N/A N/A 18.0
 
July 17, 2019, 5 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A N/A 18.0
 
July 17, 2019, 4 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A N/A 28.0
 
July 17, 2019, 3 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.18 ppb (2) N/A N/A 35.0
 
July 17, 2019, 2 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
July 17, 2019, 1 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) 0.19 ppb (2) N/A N/A 38.0
 
July 17, 2019, midnight 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.17 ppb (2) N/A N/A 33.0
 
July 16, 2019, 11 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A N/A 30.0
 
July 16, 2019, 10 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.19 ppb (2) N/A N/A 32.0
 
July 16, 2019, 9 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.13 ppb (1) N/A N/A 24.0
 
July 16, 2019, 8 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
July 16, 2019, 7 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A N/A 30.0
 
July 16, 2019, 6 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A N/A 26.0
 
July 16, 2019, 5 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
July 16, 2019, 4 p.m. 6.9 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A N/A 24.0
 
July 16, 2019, 3 p.m. 10.6 ppb (10) 2.5 ppb (2) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
July 16, 2019, 2 p.m. 8.8 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.18 ppb (2) N/A N/A 10.0
 
July 16, 2019, 1 p.m. 10.6 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) 0.18 ppb (2) N/A N/A 10.0
 
July 16, 2019, noon 9.0 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) 0.17 ppb (2) N/A N/A 8.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 16, 2019, 10 a.m. 5.2 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.14 ppb (2) N/A N/A 11.0
 
July 16, 2019, 9 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.14 ppb (2) N/A N/A 12.0
 
July 16, 2019, 8 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.14 ppb (2) N/A N/A 14.0
 
July 16, 2019, 7 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A N/A 15.0
 
July 16, 2019, 6 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A N/A 20.0
 
July 16, 2019, 5 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A N/A 30.0
 
July 16, 2019, 4 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) 0.17 ppb (2) N/A N/A 36.0
 
July 16, 2019, 3 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A N/A 32.0
 
July 16, 2019, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.15 ppb (2) N/A N/A 33.0
 
July 16, 2019, 1 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.15 ppb (2) N/A N/A 33.0
 
July 16, 2019, midnight 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.15 ppb (2) N/A N/A 33.0
 
July 15, 2019, 11 p.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.15 ppb (2) N/A N/A 36.0
 
July 15, 2019, 10 p.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0