AQSQID: 080310002

Site Name: Denver - Camp - 2105 Broadway

Location: Denver, CO

Reporting: True, Located: True

Current AQI: 21.0

Denver CO, US: 39.751099, -104.987198

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 13.0 μg/m3 (12) N/A 21.0
 
March 20, 2019, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 13.0 μg/m3 (12) 4.7 μg/m3 (20) 31.0
 
March 20, 2019, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 13.0 μg/m3 (12) 4.5 μg/m3 (19) 29.0
 
March 20, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 12.0 μg/m3 (11) 4.3 μg/m3 (18) 32.0
 
March 20, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 17.0 μg/m3 (15) 4.1 μg/m3 (17) 32.0
 
March 20, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 21.0 μg/m3 (19) 4.8 μg/m3 (20) 35.0
 
March 20, 2019, midnight N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 48.0 ppb (37) 0.3 ppb (3) 27.0 μg/m3 (25) 5.4 μg/m3 (23) 37.0
 
March 19, 2019, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 51.0 ppb (39) 0.3 ppb (3) 25.0 μg/m3 (23) 6.1 μg/m3 (25) 39.0
 
March 19, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 29.0 μg/m3 (26) 6.8 μg/m3 (28) 41.0
 
March 19, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 35.0 μg/m3 (32) 8.7 μg/m3 (36) 39.0
 
March 19, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 19.0 μg/m3 (17) 7.2 μg/m3 (30) 37.0
 
March 19, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 27.0 μg/m3 (25) 8.5 μg/m3 (35) 36.0
 
March 19, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 34.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 20.0 μg/m3 (18) 7.8 μg/m3 (32) 32.0
 
March 19, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 32.0
 
March 19, 2019, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 31.0 ppb (24) 0.4 ppb (4) 36.0 μg/m3 (33) 10.4 μg/m3 (43) 43.0
 
March 19, 2019, 2 p.m. N/A N/A N/A 45.0 ppb (42) N/A 1.0 ppb (1) 6.0 ppb (5) 0.7 ppb (8) 67.0 μg/m3 (56) 18.0 μg/m3 (63) 63.0
 
March 19, 2019, 1 p.m. N/A N/A N/A 50.0 ppb (46) N/A 0.0 ppb (0) 2.0 ppb (2) 0.7 ppb (8) 68.0 μg/m3 (56) 15.6 μg/m3 (58) 58.0
 
March 19, 2019, noon N/A N/A N/A 51.0 ppb (47) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) 56.0 μg/m3 (50) 14.1 μg/m3 (54) 54.0
 
March 19, 2019, 11 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) 51.0 μg/m3 (46) 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 39.0 μg/m3 (35) 10.9 μg/m3 (45) 45.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 17.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 26.0 μg/m3 (24) 10.6 μg/m3 (44) 44.0
 
March 19, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 11.0 μg/m3 (10) N/A 21.0
 
March 19, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 28.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 28.0
 
March 19, 2019, 4 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 25.0 μg/m3 (23) 12.8 μg/m3 (52) 52.0
 
March 19, 2019, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 30.0 μg/m3 (27) 13.4 μg/m3 (53) 53.0
 
March 19, 2019, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 32.0 μg/m3 (29) 13.3 μg/m3 (53) 53.0
 
March 19, 2019, 1 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) 38.0 μg/m3 (35) 14.3 μg/m3 (55) 55.0
 
March 19, 2019, midnight N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 39.0 μg/m3 (35) 13.7 μg/m3 (54) 54.0
 
March 18, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 41.0 μg/m3 (37) 14.1 μg/m3 (54) 54.0
 
March 18, 2019, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 44.0 μg/m3 (40) 14.5 μg/m3 (55) 55.0
 
March 18, 2019, 9 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) 58.0 μg/m3 (52) 15.4 μg/m3 (57) 57.0
 
March 18, 2019, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 58.0 μg/m3 (52) 16.1 μg/m3 (59) 59.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 45.0 μg/m3 (41) 13.6 μg/m3 (53) 53.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 42.0 μg/m3 (38) 13.1 μg/m3 (52) 52.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 46.0 μg/m3 (42) 13.4 μg/m3 (53) 53.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 16.0 ppb (12) 0.4 ppb (4) 46.0 μg/m3 (42) 13.1 μg/m3 (52) 52.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) 43.0 μg/m3 (39) 11.8 μg/m3 (49) 49.0
 
March 18, 2019, 2 p.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) 36.0 μg/m3 (33) 11.1 μg/m3 (46) 46.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 7.0 ppb (5) 0.4 ppb (4) 39.0 μg/m3 (35) 12.2 μg/m3 (50) 50.0
 
March 18, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 29.0 μg/m3 (26) 9.6 μg/m3 (40) 40.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) 30.0 μg/m3 (27) 8.9 μg/m3 (37) 37.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) 20.0 μg/m3 (18) 7.5 μg/m3 (31) 33.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 19.0 μg/m3 (17) N/A 23.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 15.0 μg/m3 (14) 5.2 μg/m3 (22) 28.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 6.0 μg/m3 (5) 4.1 μg/m3 (17) 30.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 32.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 17.0 μg/m3 (15) 4.6 μg/m3 (19) 31.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 30.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 32.0
 
March 18, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 37.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 41.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 12.0 μg/m3 (11) 7.2 μg/m3 (30) 41.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 18.0 μg/m3 (16) 7.7 μg/m3 (32) 39.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 13.0 μg/m3 (12) 7.5 μg/m3 (31) 37.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 18.0 μg/m3 (16) 10.1 μg/m3 (42) 42.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 25.0 μg/m3 (23) 10.4 μg/m3 (43) 43.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 24.0 μg/m3 (22) 8.5 μg/m3 (35) 35.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) 22.0 μg/m3 (20) 8.2 μg/m3 (34) 34.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 41.0 ppb (38) N/A 0.0 ppb (0) 3.0 ppb (2) 0.6 ppb (7) 26.0 μg/m3 (24) 10.4 μg/m3 (43) 43.0
 
March 17, 2019, noon N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 17.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 14.0 μg/m3 (13) 9.2 μg/m3 (38) 38.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 13.0 μg/m3 (12) 8.5 μg/m3 (35) 35.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 8.0 ppb (6) 0.4 ppb (4) 21.0 μg/m3 (19) 10.9 μg/m3 (45) 45.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (4) 0.5 ppb (6) 29.0 μg/m3 (26) N/A 33.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 6.0 ppb (5) 0.6 ppb (7) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) 40.0 μg/m3 (36) 12.8 μg/m3 (52) 52.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 13.0 μg/m3 (12) 6.2 μg/m3 (26) 31.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 19.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 19.0 μg/m3 (17) 6.4 μg/m3 (27) 28.0
 
March 17, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 34.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 15.0 μg/m3 (14) 6.3 μg/m3 (26) 38.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 13.0 μg/m3 (12) 4.8 μg/m3 (20) 40.0
 
March 16, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 13.0 μg/m3 (12) 4.6 μg/m3 (19) 40.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 39.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 16.0 μg/m3 (15) 4.5 μg/m3 (19) 39.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 37.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 19.0 μg/m3 (17) 6.4 μg/m3 (27) 32.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 29.0 μg/m3 (26) 7.4 μg/m3 (31) 31.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 26.0 μg/m3 (24) 7.2 μg/m3 (30) 30.0
 
March 16, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 24.0 μg/m3 (22) 7.3 μg/m3 (30) 30.0
 
March 16, 2019, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
March 16, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 31.0
 
March 16, 2019, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 21.0 μg/m3 (19) 7.5 μg/m3 (31) 32.0
 
March 16, 2019, 10 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) 20.0 μg/m3 (18) 8.2 μg/m3 (34) 37.0
 
March 16, 2019, 9 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 5.0 ppb (4) 0.5 ppb (6) 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
March 16, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
March 16, 2019, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) 19.0 μg/m3 (17) N/A 25.0
 
March 16, 2019, 6 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 21.0 μg/m3 (19) 7.4 μg/m3 (31) 31.0
 
March 16, 2019, 4 a.m. N/A N/A N/A 42.0 ppb (39) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 3 a.m. N/A N/A N/A 49.0 ppb (45) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) 39.0 μg/m3 (35) 12.2 μg/m3 (50) 50.0
 
March 16, 2019, 2 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) 46.0 μg/m3 (42) 11.3 μg/m3 (47) 47.0
 
March 16, 2019, 1 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) 43.0 μg/m3 (39) 9.5 μg/m3 (40) 40.0
 
March 16, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 28.0 μg/m3 (25) 6.5 μg/m3 (27) 34.0
 
March 15, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 51.0 ppb (39) 0.3 ppb (3) 30.0 μg/m3 (27) 7.6 μg/m3 (32) 39.0
 
March 15, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 27.0 μg/m3 (25) 6.1 μg/m3 (25) 40.0
 
March 15, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 23.0 μg/m3 (21) 5.2 μg/m3 (22) 40.0
 
March 15, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 38.0
 
March 15, 2019, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 21.0 μg/m3 (19) 4.7 μg/m3 (20) 35.0
 
March 15, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 22.0 μg/m3 (20) 5.3 μg/m3 (22) 34.0
 
March 15, 2019, 5 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 23.0 μg/m3 (21) 6.1 μg/m3 (25) 29.0
 
March 15, 2019, 4 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 27.0 μg/m3 (25) 6.5 μg/m3 (27) 27.0
 
March 15, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 35.0 μg/m3 (32) 8.3 μg/m3 (35) 35.0
 
March 15, 2019, 2 p.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) 40.0 μg/m3 (36) 9.8 μg/m3 (41) 41.0
 
March 15, 2019, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) 20.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
March 15, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
March 15, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 9.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
March 15, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
March 15, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 7.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
March 15, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 15, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 7.0 μg/m3 (6) N/A 18.0
 
March 15, 2019, 6 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
March 15, 2019, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 12.0 μg/m3 (11) 4.5 μg/m3 (19) 25.0
 
March 15, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 14.0 μg/m3 (13) 4.4 μg/m3 (18) 26.0
 
March 15, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 3.6 μg/m3 (15) 28.0
 
March 15, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 14.0 μg/m3 (13) 3.4 μg/m3 (14) 27.0
 
March 15, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 3.4 μg/m3 (14) 29.0
 
March 14, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 17.0 μg/m3 (15) 3.3 μg/m3 (14) 32.0
 
March 14, 2019, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 11.0 μg/m3 (10) 3.5 μg/m3 (15) 33.0
 
March 14, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 35.0
 
March 14, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 36.0
 
March 14, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 35.0
 
March 14, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 34.0
 
March 14, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 33.0
 
March 14, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 14, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 10.0 μg/m3 (9) 3.5 μg/m3 (15) 26.0
 
March 14, 2019, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 9.0 μg/m3 (8) 3.4 μg/m3 (14) 27.0
 
March 14, 2019, 1 p.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 28.0
 
March 14, 2019, noon N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 26.0
 
March 14, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 3.0 μg/m3 (3) 1.6 μg/m3 (7) 23.0
 
March 14, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 1.0 μg/m3 (1) 1.1 μg/m3 (5) 26.0
 
March 14, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 33.0
 
March 14, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 2.0 μg/m3 (2) 0.9 μg/m3 (4) 32.0
 
March 14, 2019, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 2.0 μg/m3 (2) N/A 23.0
 
March 14, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 2.0 μg/m3 (2) 0.8 μg/m3 (3) 32.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 32.0
 
March 14, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 32.0
 
March 14, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 33.0
 
March 14, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 34.0
 
March 14, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 32.0
 
March 14, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 31.0
 
March 13, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 33.0
 
March 13, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 2.0 μg/m3 (2) 1.9 μg/m3 (8) 32.0
 
March 13, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 32.0
 
March 13, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 32.0
 
March 13, 2019, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 32.0
 
March 13, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 33.0
 
March 13, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 36.0 ppb (28) 0.4 ppb (4) 1.0 μg/m3 (1) 0.6 μg/m3 (2) 28.0
 
March 13, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 29.0 ppb (22) 0.5 ppb (6) 1.0 μg/m3 (1) 0.8 μg/m3 (3) 22.0
 
March 13, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 25.0 ppb (19) 0.2 ppb (2) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 19.0
 
March 13, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 18.0
 
March 13, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 17.0
 
March 13, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) 4.0 μg/m3 (4) 2.7 μg/m3 (11) 16.0
 
March 13, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) 4.0 μg/m3 (4) 3.3 μg/m3 (14) 19.0
 
March 13, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) 7.0 μg/m3 (6) 5.8 μg/m3 (24) 24.0
 
March 13, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
March 13, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 21.0 μg/m3 (19) 12.4 μg/m3 (51) 51.0