ID: 1208

AQSQID: 380070002

Site Name: Theodore Roosevelt Np - Painted Canyon Vc

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

Updated: Nov. 26, 2020, 12:41 a.m.

Location: Medora (E Riv Rd), ND

Reporting: True, Located: True

Current AQI: 28.0

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
Nov. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Nov. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.2 μg/m3 (10) 28.0
 
Nov. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Nov. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.7 μg/m3 (12) 27.0
 
Nov. 25, 2020, 7 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
 
Nov. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
Nov. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.2 μg/m3 (18) 27.0
 
Nov. 25, 2020, 4 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
 
Nov. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Nov. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Nov. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Nov. 25, 2020, noon 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
 
Nov. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
Nov. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Nov. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
Nov. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -1.2 μg/m3 (0) 25.0
 
Nov. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Nov. 25, 2020, 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 (0) 25.0
 
Nov. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Nov. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -1.3 μg/m3 (0) 25.0
 
Nov. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -2.5 μg/m3 (0) 26.0
 
Nov. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -1.2 μg/m3 (0) 27.0
 
Nov. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -0.5 μg/m3 (0) 27.0
 
Nov. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Nov. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.7 μg/m3 (8) 29.0
 
Nov. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.5 μg/m3 (11) 27.0
 
Nov. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 11.6 μg/m3 (49) 49.0
 
Nov. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 7.3 μg/m3 (31) 31.0
 
Nov. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Nov. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.8 μg/m3 (37) 37.0
 
Nov. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 13.4 μg/m3 (54) 54.0
 
Nov. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 11.2 μg/m3 (47) 47.0
 
Nov. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.5 μg/m3 (40) 40.0
 
Nov. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.5 μg/m3 (7) 22.0
 
Nov. 24, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.3 μg/m3 (6) 22.0
 
Nov. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.2 μg/m3 (10) 20.0
 
Nov. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.9 μg/m3 (17) 19.0
 
Nov. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Nov. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A -3.8 μg/m3 (0) 18.0
 
Nov. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A -2.0 μg/m3 (0) 19.0
 
Nov. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.7 μg/m3 (8) 21.0
 
Nov. 24, 2020, 5 a.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. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 24, 2020, 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 (16) 21.0
 
Nov. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 1.5 μg/m3 (7) 20.0
 
Nov. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Nov. 23, 2020, 10 p.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
 
Nov. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Nov. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.8 μg/m3 (4) 24.0
 
Nov. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
Nov. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 23, 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
Nov. 23, 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
Nov. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -1.7 μg/m3 (0) 20.0
 
Nov. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -0.4 μg/m3 (0) 23.0
 
Nov. 23, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -0.3 μg/m3 (0) 21.0
 
Nov. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.2 μg/m3 (1) 23.0
 
Nov. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
Nov. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
Nov. 23, 2020, 8 a.m. 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
 
Nov. 23, 2020, 7 a.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
 
Nov. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Nov. 23, 2020, 5 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
 
Nov. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
Nov. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
Nov. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.7 μg/m3 (16) 27.0
 
Nov. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Nov. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
Nov. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
Nov. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
Nov. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -0.5 μg/m3 (0) 32.0
 
Nov. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Nov. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.5 μg/m3 (3) 32.0
 
Nov. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Nov. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
Nov. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.4 μg/m3 (19) 23.0
 
Nov. 22, 2020, 3 p.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
 
Nov. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Nov. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 0.3 μg/m3 (2) 21.0
 
Nov. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Nov. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Nov. 22, 2020, 10 a.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
 
Nov. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.7 μg/m3 (24) 26.0
 
Nov. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.9 μg/m3 (25) 26.0
 
Nov. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Nov. 22, 2020, 6 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 (8) 26.0
 
Nov. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Nov. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
Nov. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -0.2 μg/m3 (0) 27.0
 
Nov. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -1.1 μg/m3 (0) 28.0
 
Nov. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -0.2 μg/m3 (0) 29.0
 
Nov. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -0.2 μg/m3 (0) 28.0
 
Nov. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Nov. 21, 2020, 10 p.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. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
Nov. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Nov. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.3 μg/m3 (6) 25.0
 
Nov. 21, 2020, 6 p.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
 
Nov. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Nov. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 0.2 μg/m3 (1) 22.0
 
Nov. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Nov. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
Nov. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
Nov. 21, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Nov. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.2 μg/m3 (14) 24.0
 
Nov. 21, 2020, 10 a.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
 
Nov. 21, 2020, 9 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
 
Nov. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 0.8 μg/m3 (4) 22.0
 
Nov. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.5 μg/m3 (7) 21.0
 
Nov. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Nov. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Nov. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.6 μg/m3 (20) 22.0
 
Nov. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
Nov. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Nov. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Nov. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.9 μg/m3 (4) 24.0
 
Nov. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Nov. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 23.0
 
Nov. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 9.2 μg/m3 (39) 39.0
 
Nov. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 11.6 μg/m3 (49) 49.0
 
Nov. 20, 2020, 5 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
 
Nov. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 10.4 μg/m3 (44) 44.0
 
Nov. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 8.4 μg/m3 (36) 36.0
 
Nov. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 7.6 μg/m3 (32) 32.0
 
Nov. 20, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 9.2 μg/m3 (39) 39.0
 
Nov. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 12.8 μg/m3 (53) 53.0
 
Nov. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 8.9 μg/m3 (38) 38.0
 
Nov. 20, 2020, 8 a.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. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.9 μg/m3 (21) 23.0
 
Nov. 20, 2020, 6 a.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
 
Nov. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.9 μg/m3 (21) 22.0
 
Nov. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.9 μg/m3 (13) 23.0
 
Nov. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Nov. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.9 μg/m3 (13) 24.0
 
Nov. 20, 2020, 1 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 (0) 27.0
 
Nov. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -2.4 μg/m3 (0) 30.0
 
Nov. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -4.2 μg/m3 (0) 27.0
 
Nov. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -1.5 μg/m3 (0) 26.0
 
Nov. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Nov. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Nov. 19, 2020, 6 p.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 (0) 19.0
 
Nov. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -4.5 μg/m3 (0) 14.0
 
Nov. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -2.8 μg/m3 (0) 13.0
 
Nov. 19, 2020, 3 p.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
 
Nov. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A -2.0 μg/m3 (0) 18.0
 
Nov. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -1.0 μg/m3 (0) 16.0
 
Nov. 19, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 0.6 μg/m3 (3) 15.0
 
Nov. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.5 μg/m3 (7) 16.0
 
Nov. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.5 μg/m3 (11) 20.0
 
Nov. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.7 μg/m3 (8) 22.0
 
Nov. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A -0.9 μg/m3 (0) 19.0
 
Nov. 19, 2020, 7 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
 
Nov. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Nov. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Nov. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -2.7 μg/m3 (0) 25.0
 
Nov. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.7 μg/m3 (3) 27.0
 
Nov. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Nov. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.5 μg/m3 (11) 27.0
 
Nov. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0