AQSQID: 060650016

Site Name: Temecula (Lake Skinner)

Location: Riverside Co, CA

Reporting: True, Located: True

Current AQI: 49.0

Riverside Co CA, US: 33.583099, -117.072197

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 25, 2019, midnight N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 9.3 μg/m3 (39) 52.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 8.5 μg/m3 (35) 49.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 8.8 μg/m3 (37) 48.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.5 μg/m3 (31) 45.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 8.0 μg/m3 (33) 42.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.4 μg/m3 (23) 28.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.9 μg/m3 (20) 23.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 19.3 μg/m3 (66) 66.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A -1.6 μg/m3 (0) 22.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.4 μg/m3 (18) 26.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.1 μg/m3 (25) 26.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.7 μg/m3 (15) 27.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.4 μg/m3 (23) 29.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.7 μg/m3 (24) 31.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.3 μg/m3 (22) 32.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.2 μg/m3 (26) 35.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 6.5 μg/m3 (27) 40.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.9 μg/m3 (25) 40.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.4 μg/m3 (27) 36.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.1 μg/m3 (25) 33.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 26.0 μg/m3 (80) 80.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.9 μg/m3 (16) 19.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.7 μg/m3 (24) 24.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.9 μg/m3 (29) 29.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.7 μg/m3 (24) 30.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.1 μg/m3 (17) 38.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 5.5 μg/m3 (23) 45.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 6.5 μg/m3 (27) 45.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 4.5 μg/m3 (19) 45.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 2.8 μg/m3 (12) 44.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 7.4 μg/m3 (31) 42.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 7.4 μg/m3 (31) 39.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.4 μg/m3 (31) 34.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.9 μg/m3 (29) 29.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 16.6 μg/m3 (60) 60.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 17.1 μg/m3 (61) 61.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 20.3 μg/m3 (68) 68.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -0.9 μg/m3 (0) 28.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.8 μg/m3 (3) 27.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.9 μg/m3 (16) 29.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.9 μg/m3 (12) 27.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.9 μg/m3 (12) 27.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.1 μg/m3 (21) 30.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.6 μg/m3 (7) 34.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.8 μg/m3 (3) 37.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A -0.4 μg/m3 (0) 38.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.3 μg/m3 (5) 37.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.7 μg/m3 (15) 36.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.6 μg/m3 (19) 38.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.9 μg/m3 (25) 37.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.4 μg/m3 (18) 39.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.4 μg/m3 (14) 38.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.6 μg/m3 (28) 33.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.4 μg/m3 (18) 29.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.2 μg/m3 (9) 28.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -0.2 μg/m3 (0) 26.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.6 μg/m3 (23) 27.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.7 μg/m3 (15) 31.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.2 μg/m3 (22) 37.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.7 μg/m3 (15) 39.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 1.4 μg/m3 (6) 41.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 1.4 μg/m3 (6) 41.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 5.7 μg/m3 (24) 42.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 8.3 μg/m3 (35) 40.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.9 μg/m3 (25) 25.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 11.1 μg/m3 (46) 46.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 12.8 μg/m3 (52) 52.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.9 μg/m3 (37) 37.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.9 μg/m3 (37) 37.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.4 μg/m3 (43) 43.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 10.2 μg/m3 (42) 42.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 8.5 μg/m3 (35) 38.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.7 μg/m3 (36) 44.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 9.5 μg/m3 (40) 47.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) N/A N/A 22.4 μg/m3 (72) 72.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 7.2 μg/m3 (30) 47.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 9.2 μg/m3 (38) 46.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.8 μg/m3 (20) 31.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.7 μg/m3 (28) 34.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 10.2 μg/m3 (42) 51.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 9.5 μg/m3 (40) 54.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 7.8 μg/m3 (32) 52.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 5.6 μg/m3 (23) 47.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 3.1 μg/m3 (13) 44.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 3.6 μg/m3 (15) 44.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 6.3 μg/m3 (26) 42.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.7 μg/m3 (28) 35.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 0.6 μg/m3 (2) 22.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.9 μg/m3 (16) 22.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.6 μg/m3 (19) 26.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.9 μg/m3 (20) 30.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 9.9 μg/m3 (41) 50.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 6.5 μg/m3 (27) 48.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 6.1 μg/m3 (25) 47.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 6.1 μg/m3 (25) 43.0