AQSQID: 131210055

Site Name: United Ave

Location: Atlanta (State Facility), GA

Reporting: True, Located: True

Current AQI: 28.0

Atlanta (State Facility) GA, US: 33.7206, -84.3578

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 3.9 μg/m3 (16) 27.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 8.1 μg/m3 (34) 34.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 8.2 μg/m3 (34) 34.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 7.3 μg/m3 (30) 30.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 6.2 μg/m3 (26) 26.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 6.2 μg/m3 (26) 26.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.5 μg/m3 (19) 20.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 8.9 μg/m3 (37) 37.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 6.1 μg/m3 (25) 29.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 6.2 μg/m3 (26) 30.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 4.5 μg/m3 (19) 31.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 3.7 μg/m3 (15) 32.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 5.2 μg/m3 (22) 31.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 4.8 μg/m3 (20) 27.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 6.1 μg/m3 (25) 25.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.3 μg/m3 (30) 30.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.5 μg/m3 (31) 31.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 7.4 μg/m3 (31) 31.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.7 μg/m3 (15) 25.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 4.6 μg/m3 (19) 27.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.7 μg/m3 (11) 32.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.7 μg/m3 (15) 31.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 4.6 μg/m3 (19) 30.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 14.9 μg/m3 (56) 56.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 31, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 22.3 μg/m3 (72) 72.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 16.8 μg/m3 (60) 60.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 10.9 μg/m3 (45) 45.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 13.9 μg/m3 (54) 54.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 14.2 μg/m3 (55) 55.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 14.8 μg/m3 (56) 56.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 14.3 μg/m3 (55) 55.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 11.6 μg/m3 (48) 48.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A 7.4 μg/m3 (31) 43.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A 6.4 μg/m3 (27) 43.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A N/A 2.5 μg/m3 (10) 41.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 4.1 μg/m3 (17) 39.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 4.7 μg/m3 (20) 37.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 3.2 μg/m3 (13) 34.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 6.5 μg/m3 (27) 31.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 8.2 μg/m3 (34) 34.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 7.1 μg/m3 (30) 31.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 13.5 μg/m3 (53) 53.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 7.6 μg/m3 (32) 37.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 4.4 μg/m3 (18) 40.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 7.4 μg/m3 (31) 40.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 6.4 μg/m3 (27) 39.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 3.4 μg/m3 (14) 38.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A -2.6 μg/m3 (0) 36.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 6.1 μg/m3 (25) 34.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 18.6 μg/m3 (64) 64.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 17.8 μg/m3 (62) 62.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 18.9 μg/m3 (65) 65.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 19.0 μg/m3 (65) 65.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 18.2 μg/m3 (63) 63.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 22.9 μg/m3 (73) 73.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 21.2 μg/m3 (70) 70.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 22.6 μg/m3 (73) 73.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 23.7 μg/m3 (75) 75.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 25.9 μg/m3 (80) 80.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 25.5 μg/m3 (79) 79.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 20.5 μg/m3 (68) 68.0
 
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 19.7 μg/m3 (66) 66.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 19.4 μg/m3 (66) 66.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 16.1 μg/m3 (59) 59.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 13.2 μg/m3 (53) 53.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
March 28, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 28, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 13.4 μg/m3 (53) 53.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 13.6 μg/m3 (53) 53.0
 
March 28, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 14.9 μg/m3 (56) 56.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 17.6 μg/m3 (62) 62.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 24.3 μg/m3 (76) 76.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 21.6 μg/m3 (70) 70.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 20.7 μg/m3 (69) 69.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 21.3 μg/m3 (70) 70.0
 
March 28, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 22.1 μg/m3 (71) 71.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 21.7 μg/m3 (71) 71.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 21.1 μg/m3 (69) 69.0
 
March 28, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 16.8 μg/m3 (60) 60.0
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A 15.6 μg/m3 (58) 58.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A N/A 20.2 μg/m3 (67) 67.0
 
March 27, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A N/A 15.3 μg/m3 (57) 57.0
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 58.0 ppb (45) N/A N/A 18.5 μg/m3 (64) 64.0
 
March 27, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A N/A 16.3 μg/m3 (59) 59.0
 
March 27, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A N/A 17.3 μg/m3 (61) 61.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 18.1 μg/m3 (63) 63.0
 
March 27, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A 18.4 μg/m3 (64) 64.0
 
March 27, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 20.4 μg/m3 (68) 68.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 23.5 μg/m3 (74) 74.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 24.3 μg/m3 (76) 76.0
 
March 27, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.4 μg/m3 (68) 68.0
 
March 27, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 19.8 μg/m3 (67) 67.0
 
March 27, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 19.8 μg/m3 (67) 67.0
 
March 27, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 18.1 μg/m3 (63) 63.0
 
March 27, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 17.1 μg/m3 (61) 61.0
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 27, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 19.6 μg/m3 (66) 66.0
 
March 27, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 19.0 μg/m3 (65) 65.0
 
March 27, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 20.0 μg/m3 (67) 67.0
 
March 27, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 18.9 μg/m3 (65) 65.0
 
March 27, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 27, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 12.7 μg/m3 (51) 51.0
 
March 27, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 26, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
March 26, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 6.8 μg/m3 (28) 39.0
 
March 26, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 8.9 μg/m3 (37) 41.0
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 12.1 μg/m3 (50) 50.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 10.7 μg/m3 (45) 45.0