ID: 1101

AQSQID: 420010001

Site Name: Arendtsville

Added: April 21, 2020, 6:24 p.m.

Updated: April 11, 2021, 3:43 a.m.

Location: Biglerville (Bridgeport), PA

Reporting: True, Located: True

Current AQI: 56.0

Biglerville (Bridgeport) PA, US: 39.9233, -77.3081

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.2 μg/m3 (56) 56.0
 
April 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 11, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 14.2 μg/m3 (56) 56.0
 
April 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 14.2 μg/m3 (56) 56.0
 
April 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.2 μg/m3 (52) 52.0
 
April 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.2 μg/m3 (47) 47.0
 
April 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 10.6 μg/m3 (45) 45.0
 
April 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.9 μg/m3 (42) 42.0
 
April 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.5 μg/m3 (32) 32.0
 
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 10.3 μg/m3 (43) 43.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 9.3 μg/m3 (39) 39.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.7 μg/m3 (41) 41.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 8.8 μg/m3 (37) 37.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.8 μg/m3 (33) 33.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 7.6 μg/m3 (32) 32.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 7.6 μg/m3 (32) 32.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.7 μg/m3 (37) 37.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 10.2 μg/m3 (43) 43.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 10.6 μg/m3 (45) 45.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 10.5 μg/m3 (44) 44.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 11.8 μg/m3 (50) 50.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 13.1 μg/m3 (54) 54.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 12.6 μg/m3 (53) 53.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 10.4 μg/m3 (44) 44.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 9.7 μg/m3 (41) 41.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 7.6 μg/m3 (32) 32.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 9.7 μg/m3 (41) 41.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.2 μg/m3 (14) 27.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.2 μg/m3 (14) 28.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.4 μg/m3 (15) 32.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.4 μg/m3 (15) 33.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.6 μg/m3 (20) 44.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 5.2 μg/m3 (22) 48.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 5.1 μg/m3 (22) 47.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.4 μg/m3 (19) 46.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.2 μg/m3 (18) 44.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.6 μg/m3 (20) 41.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.8 μg/m3 (20) 38.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.8 μg/m3 (29) 37.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 10.3 μg/m3 (43) 43.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.4 μg/m3 (40) 40.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.8 μg/m3 (41) 41.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.7 μg/m3 (41) 41.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.9 μg/m3 (38) 41.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.3 μg/m3 (48) 48.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 15.6 μg/m3 (59) 59.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 20.2 μg/m3 (69) 69.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 18.9 μg/m3 (66) 66.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 18.0 μg/m3 (64) 64.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 17.7 μg/m3 (63) 63.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 16.9 μg/m3 (62) 62.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 17.8 μg/m3 (63) 65.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 19.4 μg/m3 (67) 67.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 16.2 μg/m3 (60) 61.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 16.8 μg/m3 (61) 61.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 22.2 μg/m3 (73) 73.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 22.6 μg/m3 (74) 74.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 23.7 μg/m3 (76) 76.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 22.1 μg/m3 (73) 73.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 21.3 μg/m3 (71) 71.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (68) 68.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 17.7 μg/m3 (63) 63.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 18.1 μg/m3 (64) 64.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 17.3 μg/m3 (62) 62.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 15.3 μg/m3 (58) 58.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.6 μg/m3 (49) 49.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.3 μg/m3 (54) 54.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.1 μg/m3 (54) 54.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.6 μg/m3 (53) 53.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 12.5 μg/m3 (52) 52.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.5 μg/m3 (52) 52.0
 
April 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
April 1, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 10.5 μg/m3 (44) 44.0
 
April 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.1 μg/m3 (30) 38.0
 
April 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.9 μg/m3 (17) 40.0
 
April 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.2 μg/m3 (18) 41.0
 
April 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.6 μg/m3 (20) 38.0
 
April 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
April 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.9 μg/m3 (29) 38.0
 
March 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.8 μg/m3 (46) 46.0
 
March 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 16, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 12.3 μg/m3 (52) 52.0
 
March 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 14.5 μg/m3 (57) 57.0
 
March 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 13.4 μg/m3 (54) 54.0
 
March 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.9 μg/m3 (53) 53.0
 
March 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
March 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.1 μg/m3 (56) 56.0
 
March 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 12.4 μg/m3 (52) 52.0
 
March 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 16, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.9 μg/m3 (38) 38.0
 
March 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.9 μg/m3 (29) 37.0
 
March 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.1 μg/m3 (26) 39.0
 
March 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.8 μg/m3 (25) 41.0
 
March 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.8 μg/m3 (29) 41.0
 
March 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.9 μg/m3 (25) 40.0
 
March 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.2 μg/m3 (26) 41.0
 
March 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.8 μg/m3 (20) 41.0
 
March 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
March 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.1 μg/m3 (18) 39.0
 
March 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
March 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
March 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
March 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.5 μg/m3 (15) 41.0
 
March 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.5 μg/m3 (15) 41.0
 
March 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.4 μg/m3 (15) 40.0
 
March 13, 2021, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.5 μg/m3 (15) 39.0
 
March 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.7 μg/m3 (16) 40.0
 
March 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
March 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.6 μg/m3 (20) 40.0
 
March 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.4 μg/m3 (23) 41.0
 
March 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.5 μg/m3 (28) 40.0
 
March 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
March 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.9 μg/m3 (25) 40.0
 
March 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.7 μg/m3 (24) 39.0
 
March 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.7 μg/m3 (24) 40.0
 
March 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
March 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.6 μg/m3 (20) 43.0
 
March 13, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
March 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.9 μg/m3 (17) 44.0
 
March 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.1 μg/m3 (18) 44.0
 
March 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.4 μg/m3 (15) 43.0
 
March 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.5 μg/m3 (15) 45.0
 
March 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.6 μg/m3 (16) 45.0
 
March 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.7 μg/m3 (16) 45.0
 
March 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.5 μg/m3 (15) 43.0
 
March 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.9 μg/m3 (17) 41.0
 
March 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.1 μg/m3 (22) 38.0
 
March 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.4 μg/m3 (36) 36.0
 
March 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.7 μg/m3 (37) 37.0
 
March 12, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.8 μg/m3 (50) 50.0
 
March 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 17.5 μg/m3 (63) 63.0
 
March 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 21.5 μg/m3 (71) 71.0
 
March 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 23.2 μg/m3 (75) 75.0
 
March 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 22.7 μg/m3 (74) 74.0
 
March 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 22.0 μg/m3 (72) 72.0
 
March 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0