ID: 1208

AQSQID: 380070002

Site Name: Theodore Roosevelt Np - Painted Canyon Vc

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

Updated: Oct. 20, 2021, 12:08 a.m.

Location: Medora (E Riv Rd), ND

Reporting: True, Located: True

Current AQI: 27.0

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
Oct. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.6 μg/m3 (24) 26.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.5 μg/m3 (15) 24.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 19, 2021, noon 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
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 9.3 μg/m3 (39) 39.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -0.8 μg/m3 (0) 17.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.4 μg/m3 (23) 23.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 μg/m3 (5) 26.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.4 μg/m3 (2) 28.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -1.4 μg/m3 (0) 29.0
 
Oct. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -0.1 μg/m3 (0) 30.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.3 μg/m3 (10) 32.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.2 μg/m3 (14) 35.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.4 μg/m3 (23) 35.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 7.5 μg/m3 (32) 32.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.2 μg/m3 (22) 27.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.5 μg/m3 (11) 24.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.1 μg/m3 (18) 24.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -1.6 μg/m3 (0) 25.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -2.4 μg/m3 (0) 24.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -1.8 μg/m3 (0) 26.0
 
Oct. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Oct. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.2 μg/m3 (10) 27.0
 
Oct. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
Oct. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.3 μg/m3 (2) 29.0
 
Oct. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.8 μg/m3 (4) 33.0
 
Oct. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.9 μg/m3 (4) 37.0
 
Oct. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.3 μg/m3 (10) 39.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.3 μg/m3 (10) 42.0
 
Oct. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.2 μg/m3 (31) 40.0
 
Oct. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 14.6 μg/m3 (57) 57.0
 
Oct. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 23.3 μg/m3 (75) 75.0
 
Oct. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.9 μg/m3 (21) 27.0
 
Oct. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
Oct. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.2 μg/m3 (10) 24.0
 
Oct. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
Oct. 17, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.7 μg/m3 (12) 23.0
 
Oct. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
Oct. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Oct. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Oct. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
Oct. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Oct. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.8 μg/m3 (4) 25.0
 
Oct. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -0.3 μg/m3 (0) 26.0
 
Oct. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.6 μg/m3 (3) 26.0
 
Oct. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -1.1 μg/m3 (0) 25.0
 
Oct. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -1.7 μg/m3 (0) 30.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.6 μg/m3 (28) 36.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.1 μg/m3 (22) 36.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.1 μg/m3 (18) 35.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.9 μg/m3 (17) 26.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.6 μg/m3 (16) 26.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.1 μg/m3 (22) 23.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Oct. 16, 2021, 8 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
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.6 μg/m3 (11) 24.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -0.1 μg/m3 (0) 27.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -4.5 μg/m3 (0) 26.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -2.1 μg/m3 (0) 28.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.8 μg/m3 (4) 31.0
 
Oct. 15, 2021, 10 p.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
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.2 μg/m3 (26) 32.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.5 μg/m3 (23) 30.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 15, 2021, 1 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
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.4 μg/m3 (15) 20.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.6 μg/m3 (16) 21.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.1 μg/m3 (18) 21.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.5 μg/m3 (11) 23.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -3.8 μg/m3 (0) 25.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.8 μg/m3 (0) 25.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -0.3 μg/m3 (0) 26.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.1 μg/m3 (22) 24.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -1.5 μg/m3 (0) 23.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -3.9 μg/m3 (0) 22.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -2.0 μg/m3 (0) 21.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.8 μg/m3 (4) 27.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.1 μg/m3 (0) 25.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -0.2 μg/m3 (0) 26.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.0 μg/m3 (13) 19.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 0.1 μg/m3 (1) 17.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -2.1 μg/m3 (0) 17.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -2.6 μg/m3 (0) 16.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A -2.6 μg/m3 (0) 19.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -4.3 μg/m3 (0) 23.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -3.8 μg/m3 (0) 21.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -0.2 μg/m3 (0) 20.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.6 μg/m3 (7) 19.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 1.3 μg/m3 (6) 15.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -0.2 μg/m3 (0) 13.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.7 μg/m3 (8) 16.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.9 μg/m3 (21) 21.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.2 μg/m3 (5) 14.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -0.3 μg/m3 (0) 14.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A -3.4 μg/m3 (0) 15.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A -2.1 μg/m3 (0) 15.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.5 μg/m3 (11) 17.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 8.7 μg/m3 (37) 37.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.7 μg/m3 (16) 21.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.7 μg/m3 (16) 23.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.3 μg/m3 (10) 23.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0