AQSQID: 250051004

Site Name: Fall River

Location: Fall Riv (Father Kelly), MA

Reporting: True, Located: True

Current AQI: 52.0

Fall Riv (Father Kelly) MA, US: 41.6833, -71.169701

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 9, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 8, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 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 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 8.0 μg/m3 (33) 36.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 7.0 μg/m3 (29) 37.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 17.0 μg/m3 (61) 61.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 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 13.0 μg/m3 (52) 52.0
 
April 7, 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 7.0 μg/m3 (29) 40.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 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 9.0 μg/m3 (38) 38.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 7, 2020, 10 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 7, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 7, 2020, 3 a.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
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 15.0 μg/m3 (56) 56.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 17.0 μg/m3 (61) 61.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 7.0 μg/m3 (29) 37.0
 
April 6, 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 7.0 μg/m3 (29) 35.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 16.0 μg/m3 (59) 59.0
 
April 6, 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 12.0 μg/m3 (50) 50.0
 
April 6, 2020, 6 a.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
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 6, 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 15.0 μg/m3 (56) 56.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 5, 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 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 5, 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 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 5, 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 9.0 μg/m3 (38) 38.0
 
April 5, 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 9.0 μg/m3 (38) 38.0
 
April 5, 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 13.0 μg/m3 (52) 52.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 17.0 μg/m3 (61) 61.0
 
April 5, 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 9.0 μg/m3 (38) 38.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 17.0 μg/m3 (61) 61.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 5, 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 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 15.0 μg/m3 (56) 56.0
 
April 5, 2020, 1 a.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
 
April 5, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 4, 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 8.0 μg/m3 (33) 33.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 4, 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 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 11 a.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
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 4, 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 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 3, 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 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 3, 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 6.0 μg/m3 (25) 27.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 2, 2020, 10 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, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 2, 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 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0