ID: 712

AQSQID: 420450002

Site Name: Chester

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

Updated: Dec. 3, 2020, 4:40 a.m.

Location: Chester (S Chester), PA

Reporting: True, Located: True

Current AQI: 38.0

Chester (S Chester) PA, US: 39.8356, -75.3725

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.1 μg/m3 (38) 38.0
 
Dec. 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 8.9 μg/m3 (38) 38.0
 
Dec. 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 8.9 μg/m3 (38) 38.0
 
Dec. 3, 2020, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 9.4 μg/m3 (40) 40.0
 
Dec. 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 7.5 μg/m3 (32) 32.0
 
Dec. 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.8 μg/m3 (29) 29.0
 
Dec. 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.2 μg/m3 (31) 31.0
 
Dec. 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.9 μg/m3 (29) 29.0
 
Dec. 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.8 μg/m3 (33) 33.0
 
Dec. 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.8 μg/m3 (29) 29.0
 
Dec. 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
Dec. 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 6.2 μg/m3 (26) 26.0
 
Dec. 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
Dec. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 4.1 μg/m3 (18) 18.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 3.2 μg/m3 (14) 14.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 3.6 μg/m3 (16) 16.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 16.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.9 μg/m3 (17) 17.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.4 μg/m3 (15) 15.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.8 μg/m3 (16) 16.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.3 μg/m3 (14) 15.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.9 μg/m3 (13) 18.0
 
Dec. 2, 2020, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.3 μg/m3 (14) 16.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.7 μg/m3 (12) 18.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 2.4 μg/m3 (10) 19.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 2.1 μg/m3 (9) 13.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 2.2 μg/m3 (10) 13.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 3.5 μg/m3 (15) 15.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 3.4 μg/m3 (15) 15.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 3.6 μg/m3 (16) 16.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 3.8 μg/m3 (16) 16.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 3.6 μg/m3 (16) 16.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 3.5 μg/m3 (15) 15.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 3.8 μg/m3 (16) 16.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 3.6 μg/m3 (16) 16.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.1 μg/m3 (18) 18.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.7 μg/m3 (16) 19.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 4.6 μg/m3 (20) 20.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.6 μg/m3 (20) 20.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.2 μg/m3 (22) 22.0
 
Dec. 1, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Nov. 30, 2020, 10 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
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.7 μg/m3 (37) 37.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.1 μg/m3 (38) 38.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 8.2 μg/m3 (35) 35.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.1 μg/m3 (26) 34.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 7.7 μg/m3 (33) 33.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.4 μg/m3 (36) 36.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 12.2 μg/m3 (52) 52.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (52) 52.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 14.3 μg/m3 (56) 56.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 10.2 μg/m3 (43) 43.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.2 μg/m3 (43) 43.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 30, 2020, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 8.5 μg/m3 (36) 36.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 8.9 μg/m3 (38) 38.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.9 μg/m3 (33) 33.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.9 μg/m3 (25) 29.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 7.1 μg/m3 (30) 30.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.7 μg/m3 (33) 33.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.4 μg/m3 (36) 36.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 9.2 μg/m3 (39) 39.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 10.5 μg/m3 (44) 44.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 11.4 μg/m3 (48) 48.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 12.5 μg/m3 (52) 52.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.7 μg/m3 (57) 57.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 13.4 μg/m3 (54) 54.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.2 μg/m3 (71) 71.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 20.5 μg/m3 (69) 69.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.6 μg/m3 (84) 84.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.4 μg/m3 (75) 75.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 20.8 μg/m3 (70) 70.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 21.2 μg/m3 (71) 71.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 18.1 μg/m3 (64) 64.0
 
Nov. 29, 2020, midnight N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 14.3 μg/m3 (56) 56.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 10.3 μg/m3 (43) 43.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 10.8 μg/m3 (46) 46.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 10.8 μg/m3 (46) 46.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.9 μg/m3 (46) 46.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.2 μg/m3 (35) 35.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 12.4 μg/m3 (52) 52.0
 
Nov. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 16.2 μg/m3 (60) 60.0
 
Nov. 28, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 16.1 μg/m3 (60) 60.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 16.6 μg/m3 (61) 61.0
 
Nov. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 14.2 μg/m3 (56) 56.0
 
Nov. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 13.6 μg/m3 (55) 55.0
 
Nov. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.8 μg/m3 (55) 55.0
 
Nov. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 13.1 μg/m3 (54) 54.0
 
Nov. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 14.1 μg/m3 (56) 56.0
 
Nov. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 13.5 μg/m3 (54) 54.0
 
Nov. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 14.8 μg/m3 (57) 57.0
 
Nov. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.2 μg/m3 (58) 58.0
 
Nov. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.3 μg/m3 (58) 58.0
 
Nov. 28, 2020, midnight N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 12.7 μg/m3 (53) 53.0
 
Nov. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 10.6 μg/m3 (45) 45.0
 
Nov. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 7.7 μg/m3 (33) 33.0
 
Nov. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 5.8 μg/m3 (25) 25.0
 
Nov. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 5.6 μg/m3 (24) 24.0
 
Nov. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Nov. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.6 μg/m3 (20) 21.0
 
Nov. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Nov. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 27, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 8.7 μg/m3 (37) 37.0
 
Nov. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 7.9 μg/m3 (33) 33.0
 
Nov. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 9.3 μg/m3 (39) 39.0
 
Nov. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 11.1 μg/m3 (47) 47.0
 
Nov. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.2 μg/m3 (58) 58.0
 
Nov. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Nov. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 16.5 μg/m3 (61) 61.0
 
Nov. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.5 μg/m3 (59) 59.0
 
Nov. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 11.9 μg/m3 (50) 50.0
 
Nov. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 9.5 μg/m3 (40) 40.0
 
Nov. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.6 μg/m3 (24) 24.0
 
Nov. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.2 μg/m3 (22) 31.0
 
Nov. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
Nov. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.5 μg/m3 (28) 30.0
 
Nov. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.9 μg/m3 (29) 29.0
 
Nov. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.1 μg/m3 (30) 30.0
 
Nov. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
Nov. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.8 μg/m3 (25) 26.0
 
Nov. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.3 μg/m3 (23) 26.0
 
Nov. 26, 2020, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
Nov. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
Nov. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.2 μg/m3 (22) 28.0
 
Nov. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 8.8 μg/m3 (37) 37.0
 
Nov. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 9.7 μg/m3 (41) 41.0
 
Nov. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.2 μg/m3 (39) 39.0