ID: 2222

AQSQID: 560250100

Site Name: Casper Gaseous

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

Updated: Dec. 4, 2020, 7:41 p.m.

Location: Casper (Paradise Valley), WY

Reporting: True, Located: True

Current AQI: 33.0

Casper (Paradise Valley) WY, US: 42.82231, -106.36501

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 4, 2020, 6 p.m. 17.1 ppb (17) 7.2 ppb (7) N/A 10.0 ppb (10) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Dec. 4, 2020, 5 p.m. 82.6 ppb (82) 49.0 ppb (47) N/A 34.0 ppb (33) N/A N/A 12.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 82.0
 
Dec. 4, 2020, 4 p.m. 65.0 ppb (63) 34.0 ppb (33) N/A 31.0 ppb (30) N/A N/A 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 63.0
 
Dec. 4, 2020, 3 p.m. 81.1 ppb (80) 45.4 ppb (43) N/A 36.0 ppb (34) N/A N/A 3.0 ppb (3) N/A N/A 7.0 μg/m3 (30) 80.0
 
Dec. 4, 2020, 2 p.m. 44.5 ppb (42) 17.2 ppb (17) N/A 27.0 ppb (26) N/A N/A 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 42.0
 
Dec. 4, 2020, 1 p.m. 37.3 ppb (36) 10.7 ppb (11) N/A 27.0 ppb (26) N/A N/A 11.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 36.0
 
Dec. 4, 2020, noon 19.3 ppb (19) 2.4 ppb (3) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 19.0
 
Dec. 4, 2020, 11 a.m. 13.4 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Dec. 4, 2020, 10 a.m. 5.8 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Dec. 4, 2020, 9 a.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Dec. 4, 2020, 8 a.m. 6.4 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Dec. 4, 2020, 7 a.m. 5.7 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Dec. 4, 2020, 6 a.m. 9.1 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Dec. 4, 2020, 5 a.m. 12.6 ppb (12) 1.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Dec. 4, 2020, 4 a.m. 6.8 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Dec. 4, 2020, 3 a.m. 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Dec. 4, 2020, 2 a.m. 19.0 ppb (18) 2.8 ppb (3) N/A 16.0 ppb (16) N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Dec. 4, 2020, 1 a.m. 25.9 ppb (25) 4.9 ppb (5) N/A 21.0 ppb (20) N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 25.0
 
Dec. 4, 2020, midnight 15.1 ppb (15) 3.7 ppb (4) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Dec. 3, 2020, 11 p.m. 8.8 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Dec. 3, 2020, 10 p.m. 6.3 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) N/A N/A -1.0 μg/m3 (0) 42.0
 
Dec. 3, 2020, 9 p.m. 4.7 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
Dec. 3, 2020, 8 p.m. 5.1 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
Dec. 3, 2020, 7 p.m. 4.9 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A -2.0 μg/m3 (0) 44.0
 
Dec. 3, 2020, 6 p.m. 5.3 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A -2.0 μg/m3 (0) 42.0
 
Dec. 3, 2020, 5 p.m. 8.3 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Dec. 3, 2020, 4 p.m. 12.0 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Dec. 3, 2020, 3 p.m. 15.0 ppb (15) 3.6 ppb (4) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A -1.0 μg/m3 (0) 26.0
 
Dec. 3, 2020, 2 p.m. 9.9 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Dec. 3, 2020, 1 p.m. 20.7 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A N/A 21.0 ppb (20) N/A N/A -2.0 μg/m3 (0) 20.0
 
Dec. 3, 2020, noon 10.9 ppb (11) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
Dec. 3, 2020, 11 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
Dec. 3, 2020, 10 a.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Dec. 3, 2020, 9 a.m. 7.3 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Dec. 3, 2020, 8 a.m. 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Dec. 3, 2020, 7 a.m. 7.1 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Dec. 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Dec. 3, 2020, 5 a.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Dec. 3, 2020, 4 a.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Dec. 3, 2020, 3 a.m. 6.3 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Dec. 3, 2020, 2 a.m. 9.7 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
Dec. 3, 2020, 1 a.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
Dec. 3, 2020, midnight 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Dec. 2, 2020, 11 p.m. 8.8 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
Dec. 2, 2020, 10 p.m. 6.0 ppb (6) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Dec. 2, 2020, 9 p.m. 5.8 ppb (6) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A -2.0 μg/m3 (0) 33.0
 
Dec. 2, 2020, 8 p.m. 4.5 ppb (5) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
Dec. 2, 2020, 7 p.m. 5.7 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Dec. 2, 2020, 6 p.m. 5.8 ppb (6) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Dec. 2, 2020, 5 p.m. 7.0 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
Dec. 2, 2020, 4 p.m. 12.9 ppb (13) 4.8 ppb (5) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Dec. 2, 2020, 3 p.m. 26.3 ppb (25) 9.2 ppb (9) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) N/A N/A 3.0 μg/m3 (13) 25.0
 
Dec. 2, 2020, 2 p.m. 17.7 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 17.0
 
Dec. 2, 2020, 1 p.m. 7.8 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Dec. 2, 2020, noon 9.0 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Dec. 2, 2020, 11 a.m. 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Dec. 2, 2020, 10 a.m. 10.6 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Dec. 2, 2020, 9 a.m. 3.6 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Dec. 2, 2020, 8 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Dec. 2, 2020, 7 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A N/A -2.0 μg/m3 (0) 32.0
 
Dec. 2, 2020, 6 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Dec. 2, 2020, 5 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
Dec. 2, 2020, 4 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A -2.0 μg/m3 (0) 34.0
 
Dec. 2, 2020, 3 a.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Dec. 2, 2020, 2 a.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Dec. 2, 2020, 1 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Dec. 2, 2020, midnight 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Dec. 1, 2020, 11 p.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Dec. 1, 2020, 10 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A -2.0 μg/m3 (0) 33.0
 
Dec. 1, 2020, 9 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Dec. 1, 2020, 8 p.m. 5.6 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
Dec. 1, 2020, 7 p.m. 4.2 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Dec. 1, 2020, 6 p.m. 6.6 ppb (7) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Dec. 1, 2020, 5 p.m. 8.5 ppb (9) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Dec. 1, 2020, 4 p.m. 14.6 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 3 p.m. 10.7 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Dec. 1, 2020, 2 p.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Dec. 1, 2020, 1 p.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Dec. 1, 2020, noon 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 11 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
Dec. 1, 2020, 10 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Dec. 1, 2020, 9 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Dec. 1, 2020, 8 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
Dec. 1, 2020, 7 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A -3.0 μg/m3 (0) 37.0
 
Dec. 1, 2020, 6 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
Dec. 1, 2020, 5 a.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 4 a.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 3 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Dec. 1, 2020, 2 a.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Dec. 1, 2020, 1 a.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Dec. 1, 2020, midnight 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 11 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Nov. 30, 2020, 10 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Nov. 30, 2020, 9 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 8 p.m. 2.6 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 30, 2020, 7 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 30, 2020, 6 p.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Nov. 30, 2020, 5 p.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Nov. 30, 2020, 4 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 30, 2020, 3 p.m. 3.1 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Nov. 30, 2020, 2 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Nov. 30, 2020, 1 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
Nov. 30, 2020, noon 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -2.0 μg/m3 (0) 39.0
 
Nov. 30, 2020, 11 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
Nov. 30, 2020, 10 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 30, 2020, 9 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 30, 2020, 8 a.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
Nov. 30, 2020, 7 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Nov. 30, 2020, 5 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Nov. 30, 2020, 4 a.m. 3.2 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Nov. 30, 2020, 3 a.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
Nov. 30, 2020, 2 a.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
Nov. 30, 2020, 1 a.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
Nov. 30, 2020, midnight 7.1 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Nov. 29, 2020, 11 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
Nov. 29, 2020, 10 p.m. 4.0 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Nov. 29, 2020, 9 p.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Nov. 29, 2020, 8 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
Nov. 29, 2020, 7 p.m. 4.3 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Nov. 29, 2020, 6 p.m. 4.3 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
Nov. 29, 2020, 5 p.m. 9.8 ppb (10) 4.2 ppb (4) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Nov. 29, 2020, 4 p.m. 16.2 ppb (16) 6.2 ppb (6) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 16.0
 
Nov. 29, 2020, 3 p.m. 18.8 ppb (18) 4.7 ppb (5) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) N/A N/A 3.0 μg/m3 (13) 18.0
 
Nov. 29, 2020, 2 p.m. 17.6 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 1 p.m. 14.2 ppb (14) 2.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 14.0
 
Nov. 29, 2020, noon 14.6 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
Nov. 29, 2020, 11 a.m. 21.7 ppb (21) 1.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 21.0
 
Nov. 29, 2020, 10 a.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
Nov. 29, 2020, 9 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Nov. 29, 2020, 8 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Nov. 29, 2020, 7 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Nov. 29, 2020, 6 a.m. 6.4 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Nov. 29, 2020, 5 a.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Nov. 29, 2020, 4 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Nov. 29, 2020, 3 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Nov. 29, 2020, 2 a.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
Nov. 29, 2020, 1 a.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Nov. 29, 2020, midnight 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
Nov. 28, 2020, 11 p.m. 4.9 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
Nov. 28, 2020, 10 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Nov. 28, 2020, 9 p.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
Nov. 28, 2020, 8 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Nov. 28, 2020, 7 p.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Nov. 28, 2020, 6 p.m. 4.7 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
Nov. 28, 2020, 5 p.m. 6.1 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Nov. 28, 2020, 4 p.m. 9.1 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Nov. 28, 2020, 3 p.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Nov. 28, 2020, 2 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Nov. 28, 2020, 1 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Nov. 28, 2020, noon 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Nov. 28, 2020, 11 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
Nov. 28, 2020, 10 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
Nov. 28, 2020, 9 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -2.0 μg/m3 (0) 35.0
 
Nov. 28, 2020, 8 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
Nov. 28, 2020, 7 a.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Nov. 28, 2020, 6 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Nov. 28, 2020, 5 a.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
Nov. 28, 2020, 4 a.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A -2.0 μg/m3 (0) 34.0
 
Nov. 28, 2020, 3 a.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Nov. 28, 2020, 2 a.m. 5.1 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
Nov. 28, 2020, 1 a.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Nov. 28, 2020, midnight 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Nov. 27, 2020, 11 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
Nov. 27, 2020, 10 p.m. 3.4 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
Nov. 27, 2020, 9 p.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 8 p.m. 3.5 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
Nov. 27, 2020, 7 p.m. 4.2 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0