ID: 1328

AQSQID: 380570004

Site Name: Beulah North

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

Updated: Dec. 2, 2020, 1:42 a.m.

Location: Beulah (45th Ave Swest), ND

Reporting: True, Located: True

Current AQI: 25.0

Beulah (45th Ave Swest) ND, US: 47.2986, -101.7669

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 1, 2020, 11 p.m. 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Dec. 1, 2020, 10 p.m. 7.8 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A 4.0 ppb (6) 24.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
Dec. 1, 2020, 9 p.m. 9.0 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 6.0 ppb (9) 24.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
Dec. 1, 2020, 8 p.m. 5.3 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 27.0 ppb (25) N/A N/A 5.1 μg/m3 (22) 25.0
 
Dec. 1, 2020, 7 p.m. 5.2 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
Dec. 1, 2020, 6 p.m. 4.7 ppb (5) 2.5 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Dec. 1, 2020, 5 p.m. 5.3 ppb (5) 2.5 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.7 μg/m3 (12) 26.0
 
Dec. 1, 2020, 4 p.m. 4.9 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Dec. 1, 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
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Dec. 1, 2020, 1 p.m. N/A 1.7 ppb (2) 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, noon 4.1 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.2 μg/m3 (10) 18.0
 
Dec. 1, 2020, 11 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
Dec. 1, 2020, 10 a.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 4.4 μg/m3 (19) 19.0
 
Dec. 1, 2020, 9 a.m. 2.2 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
Dec. 1, 2020, 8 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
Dec. 1, 2020, 7 a.m. 2.3 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.7 μg/m3 (12) 23.0
 
Dec. 1, 2020, 6 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
Dec. 1, 2020, 5 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Dec. 1, 2020, 4 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.6 μg/m3 (16) 22.0
 
Dec. 1, 2020, 3 a.m. 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 3.2 μg/m3 (14) 23.0
 
Dec. 1, 2020, 2 a.m. 3.2 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 5.3 μg/m3 (23) 23.0
 
Dec. 1, 2020, 1 a.m. 3.0 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 23.0
 
Dec. 1, 2020, midnight 3.1 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 23.0
 
Nov. 30, 2020, 11 p.m. 4.1 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.4 μg/m3 (19) 23.0
 
Nov. 30, 2020, 10 p.m. 3.5 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 3.7 μg/m3 (16) 24.0
 
Nov. 30, 2020, 9 p.m. 3.5 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Nov. 30, 2020, 8 p.m. 4.4 ppb (5) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Nov. 30, 2020, 7 p.m. 2.9 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 0.5 μg/m3 (3) 25.0
 
Nov. 30, 2020, 6 p.m. 2.5 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
Nov. 30, 2020, 5 p.m. 2.6 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Nov. 30, 2020, 4 p.m. 5.4 ppb (6) 2.5 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
Nov. 30, 2020, 3 p.m. 3.6 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A -1.8 μg/m3 (0) 19.0
 
Nov. 30, 2020, 2 p.m. 4.6 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
Nov. 30, 2020, 1 p.m. 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.4 μg/m3 (15) 17.0
 
Nov. 30, 2020, noon 2.8 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 0.1 μg/m3 (1) 21.0
 
Nov. 30, 2020, 11 a.m. 1.8 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 0.9 μg/m3 (4) 21.0
 
Nov. 30, 2020, 10 a.m. 1.8 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
Nov. 30, 2020, 9 a.m. 2.2 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.6 μg/m3 (16) 23.0
 
Nov. 30, 2020, 8 a.m. 2.1 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 1.6 μg/m3 (7) 23.0
 
Nov. 30, 2020, 7 a.m. 2.1 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
Nov. 30, 2020, 6 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Nov. 30, 2020, 5 a.m. 2.1 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 3.5 μg/m3 (15) 24.0
 
Nov. 30, 2020, 4 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 3.7 μg/m3 (16) 23.0
 
Nov. 30, 2020, 3 a.m. 2.2 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
Nov. 30, 2020, 2 a.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Nov. 30, 2020, 1 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Nov. 30, 2020, midnight 3.0 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Nov. 29, 2020, 11 p.m. 2.4 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 1.7 μg/m3 (8) 28.0
 
Nov. 29, 2020, 10 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.8 μg/m3 (12) 29.0
 
Nov. 29, 2020, 9 p.m. 2.4 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
Nov. 29, 2020, 8 p.m. 2.9 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
Nov. 29, 2020, 7 p.m. 3.5 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.6 μg/m3 (11) 29.0
 
Nov. 29, 2020, 6 p.m. 3.2 ppb (4) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.4 μg/m3 (19) 27.0
 
Nov. 29, 2020, 5 p.m. 3.2 ppb (4) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 6.5 μg/m3 (28) 28.0
 
Nov. 29, 2020, 4 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.3 μg/m3 (27) 27.0
 
Nov. 29, 2020, 3 p.m. 4.3 ppb (5) 2.3 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Nov. 29, 2020, 2 p.m. 3.4 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
Nov. 29, 2020, 1 p.m. 3.5 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Nov. 29, 2020, noon 3.3 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
Nov. 29, 2020, 11 a.m. 2.8 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Nov. 29, 2020, 10 a.m. 2.1 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
Nov. 29, 2020, 9 a.m. 2.0 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Nov. 29, 2020, 8 a.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Nov. 29, 2020, 7 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Nov. 29, 2020, 6 a.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
Nov. 29, 2020, 5 a.m. 5.7 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
Nov. 29, 2020, 4 a.m. 4.9 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 3.0 ppb (5) 30.0 ppb (28) N/A N/A 5.6 μg/m3 (24) 28.0
 
Nov. 29, 2020, 3 a.m. 5.8 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 29.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Nov. 29, 2020, 2 a.m. 6.4 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Nov. 29, 2020, 1 a.m. 3.0 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Nov. 29, 2020, midnight 3.0 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 2.7 μg/m3 (12) 32.0
 
Nov. 28, 2020, 11 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Nov. 28, 2020, 10 p.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
Nov. 28, 2020, 9 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A -0.1 μg/m3 (0) 35.0
 
Nov. 28, 2020, 8 p.m. 2.8 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A -0.9 μg/m3 (0) 36.0
 
Nov. 28, 2020, 7 p.m. 2.5 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 1.5 μg/m3 (7) 34.0
 
Nov. 28, 2020, 6 p.m. 2.0 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
Nov. 28, 2020, 5 p.m. 2.0 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
Nov. 28, 2020, 4 p.m. 2.4 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Nov. 28, 2020, 3 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A -0.4 μg/m3 (0) 21.0
 
Nov. 28, 2020, 2 p.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.0 μg/m3 (5) 19.0
 
Nov. 28, 2020, 1 p.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.1 μg/m3 (9) 19.0
 
Nov. 28, 2020, noon 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.2 μg/m3 (10) 20.0
 
Nov. 28, 2020, 11 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Nov. 28, 2020, 10 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.4 μg/m3 (19) 20.0
 
Nov. 28, 2020, 9 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Nov. 28, 2020, 8 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 0.5 μg/m3 (3) 23.0
 
Nov. 28, 2020, 7 a.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
Nov. 28, 2020, 6 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 1.0 μg/m3 (5) 18.0
 
Nov. 28, 2020, 5 a.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
Nov. 28, 2020, 4 a.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.7 μg/m3 (8) 21.0
 
Nov. 28, 2020, 3 a.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A -0.5 μg/m3 (0) 21.0
 
Nov. 28, 2020, 2 a.m. 2.1 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Nov. 28, 2020, 1 a.m. 2.4 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Nov. 28, 2020, midnight 2.2 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Nov. 27, 2020, 11 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.7 μg/m3 (12) 26.0
 
Nov. 27, 2020, 10 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
Nov. 27, 2020, 9 p.m. 2.8 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 1.4 μg/m3 (6) 29.0
 
Nov. 27, 2020, 8 p.m. 2.4 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A -0.5 μg/m3 (0) 29.0
 
Nov. 27, 2020, 7 p.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Nov. 27, 2020, 6 p.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
Nov. 27, 2020, 5 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.2 μg/m3 (10) 21.0
 
Nov. 27, 2020, 4 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
Nov. 27, 2020, 3 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 0.5 μg/m3 (3) 17.0
 
Nov. 27, 2020, 2 p.m. 1.9 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 1.5 μg/m3 (7) 18.0
 
Nov. 27, 2020, 1 p.m. 1.9 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 2.0 μg/m3 (9) 19.0
 
Nov. 27, 2020, noon 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Nov. 27, 2020, 11 a.m. 2.0 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.7 μg/m3 (8) 19.0
 
Nov. 27, 2020, 10 a.m. 1.7 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.3 μg/m3 (10) 19.0
 
Nov. 27, 2020, 9 a.m. 1.7 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
Nov. 27, 2020, 8 a.m. 2.1 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.9 μg/m3 (13) 18.0
 
Nov. 27, 2020, 7 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Nov. 27, 2020, 6 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Nov. 27, 2020, 5 a.m. 2.6 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 1.7 μg/m3 (8) 24.0
 
Nov. 27, 2020, 4 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Nov. 27, 2020, 3 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Nov. 27, 2020, 2 a.m. 3.0 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Nov. 27, 2020, 1 a.m. 2.7 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.9 μg/m3 (25) 27.0
 
Nov. 27, 2020, midnight 3.1 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.9 μg/m3 (21) 27.0
 
Nov. 26, 2020, 11 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.7 μg/m3 (20) 27.0
 
Nov. 26, 2020, 10 p.m. 3.1 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.1 μg/m3 (9) 26.0
 
Nov. 26, 2020, 9 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Nov. 26, 2020, 8 p.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Nov. 26, 2020, 7 p.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Nov. 26, 2020, 6 p.m. 2.4 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Nov. 26, 2020, 5 p.m. 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
Nov. 26, 2020, 4 p.m. 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.3 μg/m3 (23) 23.0
 
Nov. 26, 2020, 3 p.m. 2.3 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 26, 2020, 2 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 26, 2020, 1 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Nov. 26, 2020, noon 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 26, 2020, 11 a.m. 5.2 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 7.5 μg/m3 (32) 32.0
 
Nov. 26, 2020, 10 a.m. 6.2 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 26, 2020, 9 a.m. 7.1 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
Nov. 26, 2020, 8 a.m. 3.2 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.3 μg/m3 (27) 27.0
 
Nov. 26, 2020, 7 a.m. 3.0 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
Nov. 26, 2020, 6 a.m. 2.9 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 6.1 μg/m3 (26) 28.0
 
Nov. 26, 2020, 5 a.m. 3.8 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
Nov. 26, 2020, 4 a.m. 5.7 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Nov. 26, 2020, 3 a.m. 6.6 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
Nov. 26, 2020, 2 a.m. 7.1 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Nov. 26, 2020, 1 a.m. 7.0 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.5 μg/m3 (11) 21.0
 
Nov. 26, 2020, midnight 4.2 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Nov. 25, 2020, 11 p.m. 5.0 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
Nov. 25, 2020, 10 p.m. 3.6 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Nov. 25, 2020, 9 p.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
Nov. 25, 2020, 8 p.m. 2.7 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Nov. 25, 2020, 7 p.m. 2.8 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.4 μg/m3 (15) 30.0
 
Nov. 25, 2020, 6 p.m. 2.6 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
Nov. 25, 2020, 5 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Nov. 25, 2020, 4 p.m. 4.2 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Nov. 25, 2020, 3 p.m. 4.5 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
Nov. 25, 2020, 2 p.m. 4.1 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
Nov. 25, 2020, 1 p.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
Nov. 25, 2020, noon 4.0 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 4.6 μg/m3 (20) 20.0
 
Nov. 25, 2020, 11 a.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.9 μg/m3 (17) 18.0
 
Nov. 25, 2020, 10 a.m. 3.5 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Nov. 25, 2020, 9 a.m. 3.8 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 2.9 μg/m3 (13) 17.0
 
Nov. 25, 2020, 8 a.m. 4.3 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 5.1 μg/m3 (22) 22.0
 
Nov. 25, 2020, 7 a.m. 5.0 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 25, 2020, 6 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 25, 2020, 5 a.m. 3.9 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.9 μg/m3 (13) 20.0
 
Nov. 25, 2020, 4 a.m. 5.6 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
Nov. 25, 2020, 3 a.m. 6.9 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.8 μg/m3 (25) 25.0
 
Nov. 25, 2020, 2 a.m. 6.9 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 25, 2020, 1 a.m. 6.1 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.4 μg/m3 (19) 22.0
 
Nov. 25, 2020, midnight 8.1 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0