ID: 688

AQSQID: 401091037

Site Name: North Okc

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

Updated: Sept. 28, 2020, 12:39 p.m.

Location: Edmond (University House), OK

Reporting: True, Located: True

Current AQI: 27.0

Edmond (University House) OK, US: 35.612801, -97.472198

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 28, 2020, 11 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Sept. 28, 2020, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 28, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 28, 2020, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
Sept. 28, 2020, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
Sept. 28, 2020, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 12.0 μg/m3 (11) 6.8 μg/m3 (28) 28.0
 
Sept. 28, 2020, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
Sept. 28, 2020, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
Sept. 28, 2020, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
Sept. 28, 2020, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 18.0 μg/m3 (16) 6.4 μg/m3 (27) 28.0
 
Sept. 28, 2020, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 6.3 μg/m3 (26) 29.0
 
Sept. 28, 2020, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 29.0
 
Sept. 27, 2020, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 19.0 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
Sept. 27, 2020, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 21.0 μg/m3 (19) 10.6 μg/m3 (44) 44.0
 
Sept. 27, 2020, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 33.0 μg/m3 (30) 20.7 μg/m3 (69) 69.0
 
Sept. 27, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) 31.0 μg/m3 (28) 20.4 μg/m3 (68) 68.0
 
Sept. 27, 2020, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.4 ppb (4) 30.0 μg/m3 (27) 19.5 μg/m3 (66) 66.0
 
Sept. 27, 2020, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) 29.0 μg/m3 (26) 19.5 μg/m3 (66) 66.0
 
Sept. 27, 2020, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.4 ppb (4) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Sept. 27, 2020, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Sept. 27, 2020, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 26.0 μg/m3 (24) 18.2 μg/m3 (63) 63.0
 
Sept. 27, 2020, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) 25.0 μg/m3 (23) 17.3 μg/m3 (61) 61.0
 
Sept. 27, 2020, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Sept. 27, 2020, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) 24.0 μg/m3 (22) 17.5 μg/m3 (62) 62.0
 
Sept. 27, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.4 ppb (4) 25.0 μg/m3 (23) 18.0 μg/m3 (63) 63.0
 
Sept. 27, 2020, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) 27.0 μg/m3 (25) 18.4 μg/m3 (64) 64.0
 
Sept. 27, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) 24.0 μg/m3 (22) 17.9 μg/m3 (63) 63.0
 
Sept. 27, 2020, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) 25.0 μg/m3 (23) 17.1 μg/m3 (61) 61.0
 
Sept. 27, 2020, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Sept. 27, 2020, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) 25.0 μg/m3 (23) 15.5 μg/m3 (57) 57.0
 
Sept. 27, 2020, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 25.0 μg/m3 (23) 15.5 μg/m3 (57) 57.0
 
Sept. 27, 2020, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.4 ppb (4) 27.0 μg/m3 (25) 15.3 μg/m3 (57) 57.0
 
Sept. 27, 2020, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (45) 0.4 ppb (4) 28.0 μg/m3 (25) 15.5 μg/m3 (57) 57.0
 
Sept. 27, 2020, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (46) 0.4 ppb (4) 27.0 μg/m3 (25) 15.2 μg/m3 (57) 57.0
 
Sept. 27, 2020, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (47) 0.4 ppb (4) 28.0 μg/m3 (25) 15.3 μg/m3 (57) 57.0
 
Sept. 27, 2020, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 60.0 ppb (46) 0.4 ppb (4) 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
Sept. 26, 2020, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (46) 0.4 ppb (4) 26.0 μg/m3 (24) 14.7 μg/m3 (56) 56.0
 
Sept. 26, 2020, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (45) 0.5 ppb (6) 45.0 μg/m3 (41) 16.1 μg/m3 (59) 59.0
 
Sept. 26, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (45) 0.5 ppb (6) 45.0 μg/m3 (41) 15.5 μg/m3 (57) 57.0
 
Sept. 26, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.4 ppb (4) 33.0 μg/m3 (30) 14.4 μg/m3 (55) 55.0
 
Sept. 26, 2020, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.4 ppb (4) 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Sept. 26, 2020, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.4 ppb (4) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Sept. 26, 2020, 5 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.4 ppb (4) 26.0 μg/m3 (24) 13.7 μg/m3 (54) 54.0
 
Sept. 26, 2020, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) 36.0 μg/m3 (33) 13.3 μg/m3 (53) 53.0
 
Sept. 26, 2020, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.4 ppb (4) 27.0 μg/m3 (25) 12.2 μg/m3 (50) 50.0
 
Sept. 26, 2020, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 26, 2020, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) 19.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Sept. 26, 2020, noon 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) 19.0 μg/m3 (17) 12.5 μg/m3 (51) 51.0
 
Sept. 26, 2020, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) 19.0 μg/m3 (17) 12.4 μg/m3 (51) 51.0
 
Sept. 26, 2020, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) 18.0 μg/m3 (16) 12.5 μg/m3 (51) 51.0
 
Sept. 26, 2020, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 19.0 μg/m3 (17) 12.6 μg/m3 (51) 51.0
 
Sept. 26, 2020, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) 21.0 μg/m3 (19) 12.7 μg/m3 (51) 51.0
 
Sept. 26, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.4 ppb (4) 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Sept. 26, 2020, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Sept. 26, 2020, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.4 ppb (4) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.4 ppb (4) 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
Sept. 26, 2020, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.4 ppb (4) 20.0 μg/m3 (18) 9.6 μg/m3 (40) 40.0
 
Sept. 26, 2020, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
Sept. 25, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 23.0 μg/m3 (21) 9.6 μg/m3 (40) 40.0
 
Sept. 25, 2020, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.4 ppb (4) 31.0 μg/m3 (28) 10.1 μg/m3 (42) 42.0
 
Sept. 25, 2020, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.4 ppb (4) 39.0 μg/m3 (35) 10.6 μg/m3 (44) 44.0
 
Sept. 25, 2020, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.4 ppb (4) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.4 ppb (4) 36.0 μg/m3 (33) 9.9 μg/m3 (41) 41.0
 
Sept. 25, 2020, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 33.0 μg/m3 (30) 9.4 μg/m3 (39) 39.0
 
Sept. 25, 2020, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) 32.0 μg/m3 (29) 9.3 μg/m3 (39) 39.0
 
Sept. 25, 2020, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) 31.0 μg/m3 (28) 9.2 μg/m3 (38) 38.0
 
Sept. 25, 2020, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
Sept. 25, 2020, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) 22.0 μg/m3 (20) 9.4 μg/m3 (39) 39.0
 
Sept. 25, 2020, 1 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) 20.0 μg/m3 (18) 10.4 μg/m3 (43) 43.0
 
Sept. 25, 2020, noon 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) 18.0 μg/m3 (16) 10.1 μg/m3 (42) 42.0
 
Sept. 25, 2020, 11 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) 17.0 μg/m3 (15) 9.7 μg/m3 (40) 40.0
 
Sept. 25, 2020, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 17.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
Sept. 25, 2020, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Sept. 25, 2020, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 16.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
Sept. 25, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
Sept. 25, 2020, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
Sept. 25, 2020, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Sept. 25, 2020, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) 15.0 μg/m3 (14) 7.7 μg/m3 (32) 32.0
 
Sept. 25, 2020, 2 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 1 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Sept. 25, 2020, midnight 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.4 ppb (4) 20.0 μg/m3 (18) 7.7 μg/m3 (32) 32.0
 
Sept. 24, 2020, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 37.0
 
Sept. 24, 2020, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (42) 0.4 ppb (4) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 42.0
 
Sept. 24, 2020, 9 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.3 ppb (3) 20.0 μg/m3 (18) 6.9 μg/m3 (29) 39.0
 
Sept. 24, 2020, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.3 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 38.0
 
Sept. 24, 2020, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.3 ppb (3) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 39.0
 
Sept. 24, 2020, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.3 ppb (3) 19.0 μg/m3 (17) 8.1 μg/m3 (34) 37.0
 
Sept. 24, 2020, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 18.0 μg/m3 (16) 7.5 μg/m3 (31) 32.0
 
Sept. 24, 2020, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.4 ppb (4) 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Sept. 24, 2020, 3 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 24, 2020, 2 p.m. 19.0 ppb (18) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (10) 0.5 ppb (6) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Sept. 24, 2020, 1 p.m. 33.0 ppb (31) 19.0 ppb (18) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (3) 1.3 ppb (14) 29.0 μg/m3 (26) 13.1 μg/m3 (52) 52.0
 
Sept. 24, 2020, noon 24.0 ppb (22) 11.0 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 2.1 ppb (23) 26.0 μg/m3 (24) 12.3 μg/m3 (51) 51.0
 
Sept. 24, 2020, 11 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Sept. 24, 2020, 10 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
Sept. 24, 2020, 9 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) 17.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
Sept. 24, 2020, 8 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) 19.0 μg/m3 (17) 13.6 μg/m3 (53) 53.0
 
Sept. 24, 2020, 7 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 17.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
Sept. 24, 2020, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
Sept. 24, 2020, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) 15.0 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
Sept. 24, 2020, 4 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Sept. 24, 2020, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) 16.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
Sept. 24, 2020, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) 15.0 μg/m3 (14) 9.9 μg/m3 (41) 41.0
 
Sept. 24, 2020, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
Sept. 24, 2020, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
Sept. 23, 2020, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Sept. 23, 2020, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
Sept. 23, 2020, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Sept. 23, 2020, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) 9.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
Sept. 23, 2020, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 20.0
 
Sept. 23, 2020, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 18.0
 
Sept. 23, 2020, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 6.0 μg/m3 (5) 3.3 μg/m3 (14) 16.0
 
Sept. 23, 2020, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 8.0 μg/m3 (7) 3.5 μg/m3 (15) 17.0
 
Sept. 23, 2020, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 18.0
 
Sept. 23, 2020, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 6.0 μg/m3 (5) 3.8 μg/m3 (16) 17.0
 
Sept. 23, 2020, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 16.0
 
Sept. 23, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 18.0
 
Sept. 23, 2020, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 7.0 μg/m3 (6) 2.2 μg/m3 (9) 19.0
 
Sept. 23, 2020, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 15.0
 
Sept. 23, 2020, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 9.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Sept. 23, 2020, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) 8.0 μg/m3 (7) 3.2 μg/m3 (13) 15.0
 
Sept. 23, 2020, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) 8.0 μg/m3 (7) 3.6 μg/m3 (15) 15.0
 
Sept. 23, 2020, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 14.0
 
Sept. 23, 2020, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 14.0
 
Sept. 23, 2020, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Sept. 23, 2020, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) 9.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Sept. 23, 2020, 1 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
Sept. 23, 2020, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Sept. 22, 2020, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Sept. 22, 2020, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
Sept. 22, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
Sept. 22, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 11.5 ppb (133) 8.0 μg/m3 (7) 4.1 μg/m3 (17) 133.0
 
Sept. 22, 2020, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 19.0
 
Sept. 22, 2020, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 18.0
 
Sept. 22, 2020, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) 6.0 μg/m3 (5) 3.5 μg/m3 (15) 17.0
 
Sept. 22, 2020, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) 6.0 μg/m3 (5) 3.1 μg/m3 (13) 14.0
 
Sept. 22, 2020, 3 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) 6.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
Sept. 22, 2020, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) 8.0 μg/m3 (7) 4.4 μg/m3 (18) 18.0
 
Sept. 22, 2020, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.6 ppb (7) 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
Sept. 22, 2020, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
Sept. 22, 2020, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) 13.0 μg/m3 (12) 8.7 μg/m3 (36) 36.0
 
Sept. 22, 2020, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Sept. 22, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) 14.0 μg/m3 (13) 9.9 μg/m3 (41) 41.0
 
Sept. 22, 2020, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) 16.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
Sept. 22, 2020, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.4 ppb (4) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Sept. 22, 2020, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 22, 2020, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.4 ppb (4) 30.0 μg/m3 (27) 16.9 μg/m3 (60) 60.0
 
Sept. 22, 2020, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) 40.0 μg/m3 (36) 21.8 μg/m3 (71) 71.0
 
Sept. 22, 2020, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) 45.0 μg/m3 (41) 23.4 μg/m3 (74) 74.0
 
Sept. 22, 2020, 2 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.4 ppb (4) 47.0 μg/m3 (43) 24.2 μg/m3 (76) 76.0
 
Sept. 22, 2020, 1 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.5 ppb (6) 48.0 μg/m3 (44) 25.2 μg/m3 (78) 78.0
 
Sept. 22, 2020, midnight 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.5 ppb (6) 46.0 μg/m3 (42) 24.7 μg/m3 (77) 77.0
 
Sept. 21, 2020, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.5 ppb (6) 46.0 μg/m3 (42) 24.5 μg/m3 (77) 77.0
 
Sept. 21, 2020, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 45.0 μg/m3 (41) 24.5 μg/m3 (77) 77.0
 
Sept. 21, 2020, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) 0.4 ppb (4) 49.0 μg/m3 (45) 25.2 μg/m3 (78) 78.0
 
Sept. 21, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (40) 0.4 ppb (4) 47.0 μg/m3 (43) 26.0 μg/m3 (80) 80.0
 
Sept. 21, 2020, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (40) 0.4 ppb (4) 44.0 μg/m3 (40) 25.5 μg/m3 (79) 79.0
 
Sept. 21, 2020, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.4 ppb (4) 42.0 μg/m3 (38) 25.3 μg/m3 (78) 78.0
 
Sept. 21, 2020, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.4 ppb (4) 40.0 μg/m3 (36) 22.5 μg/m3 (72) 72.0
 
Sept. 21, 2020, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.4 ppb (4) 39.0 μg/m3 (35) 22.4 μg/m3 (72) 72.0
 
Sept. 21, 2020, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.4 ppb (4) 45.0 μg/m3 (41) 24.2 μg/m3 (76) 76.0
 
Sept. 21, 2020, 2 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.5 ppb (6) 39.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, 1 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.5 ppb (6) 32.0 μg/m3 (29) 20.7 μg/m3 (69) 69.0
 
Sept. 21, 2020, noon 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.5 ppb (6) 34.0 μg/m3 (31) 23.0 μg/m3 (73) 73.0