AQSQID: 370810013

Site Name: Mendnhal

Location: Greensboro, NC

Reporting: True, Located: True

Current AQI: 15.0

Greensboro NC, US: 36.1092, -79.8011

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) N/A 24.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) N/A 19.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 27.0 μg/m3 (25) N/A 25.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 21.0 μg/m3 (19) N/A 21.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 31.0 μg/m3 (28) 18.0 μg/m3 (63) 63.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 21.0 μg/m3 (19) 16.0 μg/m3 (59) 59.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 30.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 35.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 37.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 31.0 μg/m3 (28) 7.0 μg/m3 (29) 38.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 39.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 42.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 45.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 40.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 38.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 28.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 28.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 29.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 29.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 30.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 30.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 30.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 33.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 34.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 48.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 51.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 49.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 47.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 45.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 43.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 41.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 38.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 37.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 35.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 32.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 24.0
 
May 21, 2019, 11 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) 2.0 μg/m3 (8) 19.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 19.0 μg/m3 (17) 14.0 μg/m3 (54) 54.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 42.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 42.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 25.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 19.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 24.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 29.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 33.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 35.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 36.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 38.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 39.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 42.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 42.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 34.0 μg/m3 (31) 15.0 μg/m3 (56) 56.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 28.0 μg/m3 (25) 23.0 μg/m3 (73) 73.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 30.0 μg/m3 (27) 15.0 μg/m3 (56) 56.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 25.0 μg/m3 (23) 21.0 μg/m3 (69) 69.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 42.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 45.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 50.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 53.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) N/A 19.0 μg/m3 (17) 13.0 μg/m3 (52) 56.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 24.0 μg/m3 (22) 0.0 μg/m3 (0) 45.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 25.0 μg/m3 (23) N/A 45.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 28.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 17.0 μg/m3 (15) -2.0 μg/m3 (0) 15.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 23.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0