ID: 1208

AQSQID: 380070002

Site Name: Theodore Roosevelt Np - Painted Canyon Vc

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

Updated: Sept. 23, 2020, 2:39 p.m.

Location: Medora (E Riv Rd), ND

Reporting: True, Located: True

Current AQI: 51.0

Medora (E Riv Rd) ND, US: 46.949699, -103.514397

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.7 μg/m3 (36) 41.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 8.8 μg/m3 (37) 45.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.8 μg/m3 (37) 44.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 30.2 μg/m3 (89) 89.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 34.2 μg/m3 (97) 97.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.7 μg/m3 (3) 28.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.2 μg/m3 (22) 28.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 6.7 μg/m3 (28) 32.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.2 μg/m3 (13) 34.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.7 μg/m3 (24) 34.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 7.2 μg/m3 (30) 33.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 7.2 μg/m3 (30) 35.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.3 μg/m3 (30) 34.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 19.5 μg/m3 (66) 66.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 23.8 μg/m3 (75) 75.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 18.7 μg/m3 (64) 64.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 23.9 μg/m3 (75) 75.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 28.8 μg/m3 (86) 86.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 17.9 μg/m3 (63) 63.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.4 μg/m3 (2) 12.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A -2.0 μg/m3 (0) 8.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A -3.0 μg/m3 (0) 11.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A -1.6 μg/m3 (0) 12.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.6 μg/m3 (7) 12.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.5 μg/m3 (6) 14.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 19.7 μg/m3 (66) 66.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 17.3 μg/m3 (61) 61.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 23.1 μg/m3 (74) 74.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 18.9 μg/m3 (65) 65.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 22.4 μg/m3 (72) 72.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 22.1 μg/m3 (71) 71.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 19.4 μg/m3 (66) 66.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.8 μg/m3 (16) 20.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 7.6 μg/m3 (32) 32.0