AQSQID: 550270001

Site Name: Horicon Wildlife Area

Location: Dodge Co, WI

Reporting: True, Located: True

Current AQI: 37.0

Dodge Co WI, US: 43.46611, -88.621109

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 3 p.m. N/A 1.0 ppb (1) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
March 23, 2019, 2 p.m. N/A 1.3 ppb (1) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
March 23, 2019, 1 p.m. N/A 1.3 ppb (1) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
March 23, 2019, noon N/A 0.6 ppb (1) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
March 23, 2019, 11 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
March 23, 2019, 10 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 12.0 μg/m3 (11) 8.2 μg/m3 (34) 34.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.28 ppb (3) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 7 a.m. N/A 0.2 ppb (0) N/A N/A N/A N/A N/A 0.26 ppb (3) 10.0 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
March 23, 2019, 6 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.24 ppb (3) 9.0 μg/m3 (8) 5.7 μg/m3 (24) 28.0
 
March 23, 2019, 5 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 8.0 μg/m3 (7) 5.3 μg/m3 (22) 28.0
 
March 23, 2019, 4 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.26 ppb (3) 13.0 μg/m3 (12) 5.8 μg/m3 (24) 28.0
 
March 23, 2019, 3 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.22 ppb (2) 9.0 μg/m3 (8) 4.3 μg/m3 (18) 32.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.21 ppb (2) 5.0 μg/m3 (5) 3.6 μg/m3 (15) 35.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.21 ppb (2) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 36.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 37.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 38.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 5.0 μg/m3 (5) 2.4 μg/m3 (10) 38.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 5.0 μg/m3 (5) 2.4 μg/m3 (10) 38.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 38.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.19 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 38.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 37.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 36.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 35.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.15 ppb (2) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 35.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 34.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 8.0 μg/m3 (7) 5.2 μg/m3 (22) 29.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
March 22, 2019, 10 a.m. N/A -0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 12.0 μg/m3 (11) 8.9 μg/m3 (37) 37.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 11.0 μg/m3 (10) 8.6 μg/m3 (36) 36.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 12.0 μg/m3 (11) 8.5 μg/m3 (35) 35.0
 
March 22, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.19 ppb (2) 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
March 22, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 12.0 μg/m3 (11) 8.3 μg/m3 (35) 36.0
 
March 22, 2019, 5 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.19 ppb (2) 11.0 μg/m3 (10) 7.1 μg/m3 (30) 35.0
 
March 22, 2019, 4 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.19 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 35.0
 
March 22, 2019, 3 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 9.0 μg/m3 (8) 6.3 μg/m3 (26) 36.0
 
March 22, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 8.0 μg/m3 (7) 5.4 μg/m3 (23) 36.0
 
March 22, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) 9.0 μg/m3 (8) 5.4 μg/m3 (23) 35.0
 
March 22, 2019, midnight N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 7.0 μg/m3 (6) 4.2 μg/m3 (18) 36.0
 
March 21, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.18 ppb (2) 7.0 μg/m3 (6) 3.8 μg/m3 (16) 38.0
 
March 21, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.17 ppb (2) 7.0 μg/m3 (6) 3.7 μg/m3 (15) 38.0
 
March 21, 2019, 9 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 7.0 μg/m3 (6) 4.1 μg/m3 (17) 39.0
 
March 21, 2019, 8 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.17 ppb (2) 5.0 μg/m3 (5) 3.6 μg/m3 (15) 39.0
 
March 21, 2019, 7 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 7.0 μg/m3 (6) 5.2 μg/m3 (22) 39.0
 
March 21, 2019, 6 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 8.0 μg/m3 (7) 6.2 μg/m3 (26) 39.0
 
March 21, 2019, 5 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 8.0 μg/m3 (7) 6.1 μg/m3 (25) 36.0
 
March 21, 2019, 4 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) 9.0 μg/m3 (8) 6.4 μg/m3 (27) 34.0
 
March 21, 2019, 3 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 8.0 μg/m3 (7) 5.8 μg/m3 (24) 31.0
 
March 21, 2019, 2 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, 1 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 15.0 μg/m3 (14) 11.7 μg/m3 (49) 49.0
 
March 21, 2019, noon N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 20.0 μg/m3 (18) 15.1 μg/m3 (57) 57.0
 
March 21, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 21.0 μg/m3 (19) 15.3 μg/m3 (57) 57.0
 
March 21, 2019, 10 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 15.0 μg/m3 (14) 11.8 μg/m3 (49) 49.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
March 21, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.21 ppb (2) 14.0 μg/m3 (13) 11.1 μg/m3 (46) 46.0
 
March 21, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 16.0 μg/m3 (15) 13.5 μg/m3 (53) 53.0
 
March 21, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) 20.0 μg/m3 (18) 16.3 μg/m3 (59) 59.0
 
March 21, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 19.0 μg/m3 (17) 16.0 μg/m3 (59) 59.0
 
March 21, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 16.0 μg/m3 (15) 13.9 μg/m3 (54) 54.0
 
March 21, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) 14.0 μg/m3 (13) 11.4 μg/m3 (48) 48.0
 
March 21, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 13.0 μg/m3 (12) 10.8 μg/m3 (45) 45.0
 
March 21, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
March 20, 2019, 11 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) 19.0 μg/m3 (17) 14.3 μg/m3 (55) 55.0
 
March 20, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.24 ppb (3) 22.0 μg/m3 (20) 17.5 μg/m3 (62) 62.0
 
March 20, 2019, 9 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.24 ppb (3) 20.0 μg/m3 (18) 16.0 μg/m3 (59) 59.0
 
March 20, 2019, 8 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.24 ppb (3) 20.0 μg/m3 (18) 15.8 μg/m3 (58) 58.0
 
March 20, 2019, 7 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 18.0 μg/m3 (16) 13.7 μg/m3 (54) 54.0
 
March 20, 2019, 6 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
March 20, 2019, 5 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.23 ppb (3) 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
March 20, 2019, 4 p.m. N/A 0.5 ppb (0) N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) 16.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
March 20, 2019, 3 p.m. N/A 0.5 ppb (0) N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.23 ppb (3) 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
March 20, 2019, 2 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 16.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
March 20, 2019, 1 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 17.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
March 20, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A 18.0 μg/m3 (16) 13.6 μg/m3 (53) 53.0
 
March 20, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A 17.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
March 20, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 18.0 μg/m3 (16) 14.2 μg/m3 (55) 55.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 17.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 17.0 μg/m3 (15) 13.2 μg/m3 (53) 53.0
 
March 20, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.21 ppb (2) 17.0 μg/m3 (15) 12.8 μg/m3 (52) 52.0
 
March 20, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
March 20, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
March 20, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) 12.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
March 20, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 12.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
March 20, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 12.0 μg/m3 (11) 8.5 μg/m3 (35) 35.0
 
March 20, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 13.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
March 20, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.21 ppb (2) 13.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
March 19, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.22 ppb (2) 12.0 μg/m3 (11) 7.7 μg/m3 (32) 39.0
 
March 19, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.27 ppb (3) 13.0 μg/m3 (12) 6.5 μg/m3 (27) 40.0
 
March 19, 2019, 9 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.22 ppb (2) 12.0 μg/m3 (11) 6.2 μg/m3 (26) 40.0
 
March 19, 2019, 8 p.m. N/A -0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.22 ppb (2) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 39.0
 
March 19, 2019, 7 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.23 ppb (3) 11.0 μg/m3 (10) 5.8 μg/m3 (24) 40.0
 
March 19, 2019, 6 p.m. N/A 0.8 ppb (1) N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.22 ppb (2) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 38.0
 
March 19, 2019, 5 p.m. N/A 0.5 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 9.0 μg/m3 (8) 5.7 μg/m3 (24) 37.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.24 ppb (3) 10.0 μg/m3 (9) 6.2 μg/m3 (26) 36.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.24 ppb (3) 13.0 μg/m3 (12) 8.2 μg/m3 (34) 35.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.26 ppb (3) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 15.0 μg/m3 (14) 10.6 μg/m3 (44) 44.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.32 ppb (4) 17.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.31 ppb (3) 16.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
March 19, 2019, 10 a.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 17.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
March 19, 2019, 7 a.m. N/A 0.1 ppb (0) N/A N/A N/A N/A N/A 0.29 ppb (3) 17.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
March 19, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) 19.0 μg/m3 (17) 13.8 μg/m3 (54) 54.0
 
March 19, 2019, 5 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.28 ppb (3) 18.0 μg/m3 (16) 14.4 μg/m3 (55) 55.0
 
March 19, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.28 ppb (3) 21.0 μg/m3 (19) 15.7 μg/m3 (58) 58.0
 
March 19, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.27 ppb (3) 21.0 μg/m3 (19) 15.8 μg/m3 (58) 58.0
 
March 19, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.26 ppb (3) 18.0 μg/m3 (16) 13.5 μg/m3 (53) 53.0
 
March 19, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.24 ppb (3) 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
March 19, 2019, midnight N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.24 ppb (3) 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
March 18, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.22 ppb (2) 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
March 18, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.22 ppb (2) 13.0 μg/m3 (12) 10.7 μg/m3 (45) 45.0
 
March 18, 2019, 9 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 8 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) 14.0 μg/m3 (13) 10.9 μg/m3 (45) 45.0
 
March 18, 2019, 7 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.23 ppb (3) 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 6 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) 15.0 μg/m3 (14) 11.6 μg/m3 (48) 48.0
 
March 18, 2019, 5 p.m. N/A 0.2 ppb (0) N/A N/A N/A N/A 53.0 ppb (41) 0.23 ppb (3) 14.0 μg/m3 (13) 11.3 μg/m3 (47) 47.0
 
March 18, 2019, 4 p.m. N/A 0.2 ppb (0) N/A N/A N/A N/A 53.0 ppb (41) 0.23 ppb (3) 14.0 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 3 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 16.0 μg/m3 (15) 13.2 μg/m3 (53) 53.0
 
March 18, 2019, 2 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 19.0 μg/m3 (17) 15.8 μg/m3 (58) 58.0
 
March 18, 2019, 1 p.m. N/A 0.6 ppb (1) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) 21.0 μg/m3 (19) 17.1 μg/m3 (61) 61.0
 
March 18, 2019, noon N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 20.0 μg/m3 (18) 16.5 μg/m3 (60) 60.0
 
March 18, 2019, 11 a.m. N/A 0.5 ppb (0) N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 15.9 μg/m3 (58) 58.0
 
March 18, 2019, 10 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) 18.0 μg/m3 (16) 15.8 μg/m3 (58) 58.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A 18.0 μg/m3 (16) 15.7 μg/m3 (58) 58.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) 18.0 μg/m3 (16) 16.1 μg/m3 (59) 59.0
 
March 18, 2019, 7 a.m. N/A 0.6 ppb (1) N/A N/A N/A N/A N/A 0.25 ppb (3) 18.0 μg/m3 (16) 15.6 μg/m3 (58) 58.0
 
March 18, 2019, 6 a.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.24 ppb (3) 17.0 μg/m3 (15) 15.4 μg/m3 (57) 57.0
 
March 18, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.24 ppb (3) 17.0 μg/m3 (15) 15.1 μg/m3 (57) 57.0
 
March 18, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 17.0 μg/m3 (15) 15.3 μg/m3 (57) 57.0
 
March 18, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.23 ppb (3) 17.0 μg/m3 (15) 14.6 μg/m3 (56) 56.0
 
March 18, 2019, 2 a.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.24 ppb (3) 11.0 μg/m3 (10) 8.3 μg/m3 (35) 35.0
 
March 18, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.23 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 35.0
 
March 18, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 8.0 μg/m3 (7) 5.4 μg/m3 (23) 37.0
 
March 17, 2019, 11 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.22 ppb (2) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 38.0
 
March 17, 2019, 10 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.22 ppb (2) 7.0 μg/m3 (6) 4.5 μg/m3 (19) 39.0
 
March 17, 2019, 9 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.22 ppb (2) 9.0 μg/m3 (8) 5.4 μg/m3 (23) 40.0
 
March 17, 2019, 8 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 41.0
 
March 17, 2019, 7 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.21 ppb (2) 11.0 μg/m3 (10) 8.1 μg/m3 (34) 41.0
 
March 17, 2019, 6 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.21 ppb (2) 10.0 μg/m3 (9) 7.2 μg/m3 (30) 40.0
 
March 17, 2019, 5 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) 11.0 μg/m3 (10) 7.6 μg/m3 (32) 39.0
 
March 17, 2019, 4 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.22 ppb (2) 12.0 μg/m3 (11) 8.9 μg/m3 (37) 38.0
 
March 17, 2019, 3 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.22 ppb (2) 13.0 μg/m3 (12) 10.6 μg/m3 (44) 44.0
 
March 17, 2019, 2 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.21 ppb (2) 9.0 μg/m3 (8) 6.5 μg/m3 (27) 35.0
 
March 17, 2019, 1 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 10.0 μg/m3 (9) 7.5 μg/m3 (31) 31.0
 
March 17, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
March 17, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.25 ppb (3) 12.0 μg/m3 (11) 9.5 μg/m3 (40) 40.0
 
March 17, 2019, 10 a.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
March 17, 2019, 7 a.m. N/A 0.1 ppb (0) N/A N/A N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 8.9 μg/m3 (37) 37.0
 
March 17, 2019, 6 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.28 ppb (3) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.26 ppb (3) 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
March 17, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.29 ppb (3) 20.0 μg/m3 (18) 8.4 μg/m3 (35) 35.0
 
March 17, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 6.0 μg/m3 (5) 3.9 μg/m3 (16) 36.0
 
March 17, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 36.0
 
March 17, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 36.0
 
March 17, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.19 ppb (2) 4.0 μg/m3 (4) 2.7 μg/m3 (11) 35.0
 
March 16, 2019, 11 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.19 ppb (2) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 37.0
 
March 16, 2019, 10 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.19 ppb (2) 3.0 μg/m3 (3) 2.4 μg/m3 (10) 38.0
 
March 16, 2019, 9 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 38.0
 
March 16, 2019, 8 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 37.0
 
March 16, 2019, 7 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 36.0
 
March 16, 2019, 6 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 4.0 μg/m3 (4) 3.1 μg/m3 (13) 36.0
 
March 16, 2019, 5 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.19 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 35.0
 
March 16, 2019, 4 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 5.0 μg/m3 (5) 2.9 μg/m3 (12) 35.0