ID: 146

AQSQID: 060370016

Site Name: Glendora - Laurel

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

Updated: Dec. 2, 2020, 9:41 a.m.

Location: Glendora (Downtown), CA

Reporting: True, Located: True

Current AQI: 29.0

Glendora (Downtown) CA, US: 34.1439, -117.8508

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 2, 2020, 8 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 7.1 μg/m3 (7) 4.8 μg/m3 (20) 29.0
 
Dec. 2, 2020, 7 a.m. 3.4 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.13 ppb (2) 7.8 μg/m3 (8) 5.4 μg/m3 (23) 30.0
 
Dec. 2, 2020, 6 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 9.1 μg/m3 (9) 4.9 μg/m3 (21) 30.0
 
Dec. 2, 2020, 5 a.m. 10.7 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.22 ppb (3) 15.4 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Dec. 2, 2020, 4 a.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 12.9 μg/m3 (12) 9.5 μg/m3 (40) 40.0
 
Dec. 2, 2020, 3 a.m. 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 21.7 μg/m3 (21) 9.3 μg/m3 (39) 39.0
 
Dec. 2, 2020, 2 a.m. 9.7 ppb (10) -0.1 ppb (0) N/A 10.0 ppb (10) N/A N/A 35.0 ppb (33) 0.23 ppb (3) 30.5 μg/m3 (29) 8.1 μg/m3 (34) 34.0
 
Dec. 2, 2020, 1 a.m. 12.2 ppb (12) -0.1 ppb (0) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) 0.24 ppb (3) 33.7 μg/m3 (32) 5.9 μg/m3 (25) 32.0
 
Dec. 2, 2020, midnight 16.9 ppb (16) 0.2 ppb (1) N/A 17.0 ppb (17) N/A N/A 30.0 ppb (28) 0.26 ppb (4) 33.2 μg/m3 (31) 7.3 μg/m3 (31) 31.0
 
Dec. 1, 2020, 11 p.m. 13.8 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 34.7 μg/m3 (33) 6.1 μg/m3 (26) 37.0
 
Dec. 1, 2020, 10 p.m. 14.8 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 37.0 ppb (35) 0.22 ppb (3) 28.4 μg/m3 (27) 7.3 μg/m3 (31) 35.0
 
Dec. 1, 2020, 9 p.m. 13.5 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 27.8 μg/m3 (26) 8.0 μg/m3 (34) 36.0
 
Dec. 1, 2020, 8 p.m. 10.8 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 20.2 μg/m3 (19) 7.8 μg/m3 (33) 36.0
 
Dec. 1, 2020, 7 p.m. 21.7 ppb (21) 5.9 ppb (6) N/A 16.0 ppb (16) N/A N/A 29.0 ppb (27) 0.26 ppb (4) 22.6 μg/m3 (21) 5.9 μg/m3 (25) 27.0
 
Dec. 1, 2020, 6 p.m. 24.3 ppb (23) 7.1 ppb (7) N/A 17.0 ppb (17) N/A N/A 25.0 ppb (24) 0.26 ppb (4) 31.2 μg/m3 (29) 7.1 μg/m3 (30) 30.0
 
Dec. 1, 2020, 5 p.m. 15.9 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) 0.23 ppb (3) 33.2 μg/m3 (31) 10.1 μg/m3 (43) 43.0
 
Dec. 1, 2020, 4 p.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.18 ppb (3) 25.4 μg/m3 (24) 3.2 μg/m3 (14) 28.0
 
Dec. 1, 2020, 3 p.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 3.0 μg/m3 (3) 3.7 μg/m3 (16) 29.0
 
Dec. 1, 2020, 2 p.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.11 ppb (2) 5.2 μg/m3 (5) 4.2 μg/m3 (18) 27.0
 
Dec. 1, 2020, 1 p.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.09 ppb (2) 6.8 μg/m3 (7) 3.2 μg/m3 (14) 29.0
 
Dec. 1, 2020, noon 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.1 ppb (2) 7.3 μg/m3 (7) 4.2 μg/m3 (18) 28.0
 
Dec. 1, 2020, 11 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.09 ppb (2) 4.7 μg/m3 (5) 5.6 μg/m3 (24) 29.0
 
Dec. 1, 2020, 10 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 3.2 μg/m3 (3) 6.8 μg/m3 (29) 30.0
 
Dec. 1, 2020, 9 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.09 ppb (2) 4.9 μg/m3 (5) 7.3 μg/m3 (31) 31.0
 
Dec. 1, 2020, 8 a.m. 3.6 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.11 ppb (2) 6.6 μg/m3 (7) 6.1 μg/m3 (26) 26.0
 
Dec. 1, 2020, 7 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.11 ppb (2) 8.3 μg/m3 (8) 4.0 μg/m3 (17) 29.0
 
Dec. 1, 2020, 6 a.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.12 ppb (2) 9.9 μg/m3 (10) 3.0 μg/m3 (13) 28.0
 
Dec. 1, 2020, 5 a.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 11.0 μg/m3 (11) 4.6 μg/m3 (20) 28.0
 
Dec. 1, 2020, 4 a.m. 4.3 ppb (5) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.14 ppb (2) 12.2 μg/m3 (12) 6.8 μg/m3 (29) 31.0
 
Dec. 1, 2020, 3 a.m. 5.2 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 12.9 μg/m3 (12) 4.5 μg/m3 (19) 32.0
 
Dec. 1, 2020, 2 a.m. 8.6 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 18.2 μg/m3 (17) 4.3 μg/m3 (18) 29.0
 
Dec. 1, 2020, 1 a.m. 9.4 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (10) N/A N/A 31.0 ppb (29) 0.19 ppb (3) 19.5 μg/m3 (19) 3.3 μg/m3 (14) 29.0
 
Dec. 1, 2020, midnight 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 20.4 μg/m3 (19) 4.8 μg/m3 (20) 32.0
 
Nov. 30, 2020, 11 p.m. 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 39.0 ppb (37) 0.18 ppb (3) 18.1 μg/m3 (17) 4.4 μg/m3 (19) 37.0
 
Nov. 30, 2020, 10 p.m. 11.8 ppb (12) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A 38.0 ppb (36) 0.19 ppb (3) 18.1 μg/m3 (17) 5.0 μg/m3 (21) 36.0
 
Nov. 30, 2020, 9 p.m. 9.9 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) 0.18 ppb (3) 15.9 μg/m3 (15) 2.3 μg/m3 (10) 37.0
 
Nov. 30, 2020, 8 p.m. 10.4 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) 0.19 ppb (3) 15.8 μg/m3 (15) 2.8 μg/m3 (12) 36.0
 
Nov. 30, 2020, 7 p.m. 7.7 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.19 ppb (3) 2.7 μg/m3 (3) 6.1 μg/m3 (26) 37.0
 
Nov. 30, 2020, 6 p.m. 14.6 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) 0.2 ppb (3) 17.1 μg/m3 (16) 8.5 μg/m3 (36) 36.0
 
Nov. 30, 2020, 5 p.m. 19.0 ppb (18) 4.8 ppb (5) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.27 ppb (4) 33.4 μg/m3 (31) 9.5 μg/m3 (40) 40.0
 
Nov. 30, 2020, 4 p.m. 5.9 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.17 ppb (3) 16.1 μg/m3 (15) 6.3 μg/m3 (27) 28.0
 
Nov. 30, 2020, 3 p.m. 3.2 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.11 ppb (2) 4.7 μg/m3 (5) 5.7 μg/m3 (24) 29.0
 
Nov. 30, 2020, 2 p.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 3.0 μg/m3 (3) 2.4 μg/m3 (10) 31.0
 
Nov. 30, 2020, 1 p.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 8.1 μg/m3 (8) 3.7 μg/m3 (16) 31.0
 
Nov. 30, 2020, noon 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 7.6 μg/m3 (8) 4.7 μg/m3 (20) 29.0
 
Nov. 30, 2020, 11 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 4.7 μg/m3 (5) 7.3 μg/m3 (31) 31.0
 
Nov. 30, 2020, 10 a.m. 2.5 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.11 ppb (2) 3.7 μg/m3 (4) 7.8 μg/m3 (33) 33.0
 
Nov. 30, 2020, 9 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.12 ppb (2) 4.9 μg/m3 (5) 1.7 μg/m3 (8) 27.0
 
Nov. 30, 2020, 8 a.m. 2.6 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 8.3 μg/m3 (8) 3.8 μg/m3 (16) 29.0
 
Nov. 30, 2020, 7 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.12 ppb (2) 7.1 μg/m3 (7) 6.4 μg/m3 (27) 33.0
 
Nov. 30, 2020, 6 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 7.6 μg/m3 (8) 5.4 μg/m3 (23) 31.0
 
Nov. 30, 2020, 5 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.14 ppb (2) 7.1 μg/m3 (7) 4.7 μg/m3 (20) 35.0
 
Nov. 30, 2020, 4 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.15 ppb (2) 4.7 μg/m3 (5) 7.3 μg/m3 (31) 34.0
 
Nov. 30, 2020, 3 a.m. 7.5 ppb (8) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.24 ppb (3) 20.9 μg/m3 (20) 13.9 μg/m3 (55) 55.0
 
Nov. 30, 2020, 2 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.19 ppb (3) 11.7 μg/m3 (11) 6.4 μg/m3 (27) 38.0
 
Nov. 30, 2020, 1 a.m. 4.9 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 11.5 μg/m3 (11) 10.7 μg/m3 (45) 45.0
 
Nov. 30, 2020, midnight 6.1 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 11.7 μg/m3 (11) 3.0 μg/m3 (13) 39.0
 
Nov. 29, 2020, 11 p.m. 5.6 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.18 ppb (3) 15.3 μg/m3 (15) 5.0 μg/m3 (21) 46.0
 
Nov. 29, 2020, 10 p.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.19 ppb (3) 10.7 μg/m3 (10) 7.1 μg/m3 (30) 46.0
 
Nov. 29, 2020, 9 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.17 ppb (3) 13.2 μg/m3 (13) 6.0 μg/m3 (25) 46.0
 
Nov. 29, 2020, 8 p.m. 6.5 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.21 ppb (3) 21.4 μg/m3 (20) 6.4 μg/m3 (27) 43.0
 
Nov. 29, 2020, 7 p.m. 7.7 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) 0.2 ppb (3) 17.1 μg/m3 (16) 6.1 μg/m3 (26) 38.0
 
Nov. 29, 2020, 6 p.m. 9.4 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 26.6 μg/m3 (25) 4.3 μg/m3 (18) 33.0
 
Nov. 29, 2020, 5 p.m. 10.0 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.26 ppb (4) 18.5 μg/m3 (18) 5.5 μg/m3 (23) 30.0
 
Nov. 29, 2020, 4 p.m. 3.6 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.15 ppb (2) 29.3 μg/m3 (28) 6.3 μg/m3 (27) 33.0
 
Nov. 29, 2020, 3 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.13 ppb (2) 2.5 μg/m3 (3) 4.0 μg/m3 (17) 33.0
 
Nov. 29, 2020, 2 p.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.12 ppb (2) 0.5 μg/m3 (1) 6.7 μg/m3 (28) 32.0
 
Nov. 29, 2020, 1 p.m. 2.6 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.11 ppb (2) 5.7 μg/m3 (6) 9.3 μg/m3 (39) 39.0
 
Nov. 29, 2020, noon 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.12 ppb (2) 5.7 μg/m3 (6) 6.7 μg/m3 (28) 34.0
 
Nov. 29, 2020, 11 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 5.2 μg/m3 (5) 4.5 μg/m3 (19) 29.0
 
Nov. 29, 2020, 10 a.m. 2.5 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.13 ppb (2) 7.6 μg/m3 (8) 5.2 μg/m3 (22) 32.0
 
Nov. 29, 2020, 9 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.13 ppb (2) 10.5 μg/m3 (10) 3.0 μg/m3 (13) 31.0
 
Nov. 29, 2020, 8 a.m. 4.5 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.15 ppb (2) 10.2 μg/m3 (10) 3.7 μg/m3 (16) 27.0
 
Nov. 29, 2020, 7 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 8.8 μg/m3 (9) 4.7 μg/m3 (20) 30.0
 
Nov. 29, 2020, 6 a.m. 3.5 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 10.7 μg/m3 (10) 6.3 μg/m3 (27) 30.0
 
Nov. 29, 2020, 5 a.m. 5.4 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.18 ppb (3) 13.6 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Nov. 29, 2020, 4 a.m. 4.8 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.18 ppb (3) 13.9 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
Nov. 29, 2020, 3 a.m. 6.5 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) 0.23 ppb (3) 15.3 μg/m3 (15) 12.6 μg/m3 (53) 53.0
 
Nov. 29, 2020, 2 a.m. 6.9 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.23 ppb (3) 23.8 μg/m3 (23) 8.5 μg/m3 (36) 36.0
 
Nov. 29, 2020, 1 a.m. 8.1 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.22 ppb (3) 16.8 μg/m3 (16) 4.9 μg/m3 (21) 33.0
 
Nov. 29, 2020, midnight 10.6 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 36.0 ppb (34) 0.25 ppb (3) 17.1 μg/m3 (16) 6.8 μg/m3 (29) 34.0
 
Nov. 28, 2020, 11 p.m. 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 16.4 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 10 p.m. 7.3 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 43.0 ppb (40) 0.21 ppb (3) 19.5 μg/m3 (19) 4.5 μg/m3 (19) 40.0
 
Nov. 28, 2020, 9 p.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) 0.19 ppb (3) 20.9 μg/m3 (20) 2.5 μg/m3 (11) 38.0
 
Nov. 28, 2020, 8 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.19 ppb (3) 15.3 μg/m3 (15) 3.5 μg/m3 (15) 38.0
 
Nov. 28, 2020, 7 p.m. 9.4 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 19.7 μg/m3 (19) 2.2 μg/m3 (10) 34.0
 
Nov. 28, 2020, 6 p.m. 16.5 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 28.0 ppb (26) 0.27 ppb (4) 27.3 μg/m3 (26) 4.9 μg/m3 (21) 26.0
 
Nov. 28, 2020, 5 p.m. 18.1 ppb (18) 4.8 ppb (5) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.29 ppb (4) 30.3 μg/m3 (29) 6.8 μg/m3 (29) 29.0
 
Nov. 28, 2020, 4 p.m. 7.2 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.21 ppb (3) 18.5 μg/m3 (18) 4.2 μg/m3 (18) 26.0
 
Nov. 28, 2020, 3 p.m. 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.13 ppb (2) 15.1 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
Nov. 28, 2020, 2 p.m. 5.7 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.13 ppb (2) 30.5 μg/m3 (29) 10.7 μg/m3 (45) 45.0
 
Nov. 28, 2020, 1 p.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 3.4 μg/m3 (4) 6.9 μg/m3 (29) 29.0
 
Nov. 28, 2020, noon 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.12 ppb (2) 16.1 μg/m3 (15) 5.7 μg/m3 (24) 28.0
 
Nov. 28, 2020, 11 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 20.7 μg/m3 (20) 6.2 μg/m3 (26) 28.0
 
Nov. 28, 2020, 10 a.m. 3.3 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 17.5 μg/m3 (17) 4.5 μg/m3 (19) 28.0
 
Nov. 28, 2020, 9 a.m. 3.4 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 18.3 μg/m3 (17) 6.8 μg/m3 (29) 29.0
 
Nov. 28, 2020, 8 a.m. 3.9 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 20.3 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
Nov. 28, 2020, 7 a.m. 4.2 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.15 ppb (2) 22.3 μg/m3 (21) 5.2 μg/m3 (22) 28.0
 
Nov. 28, 2020, 6 a.m. 4.2 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.16 ppb (3) 21.6 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 5 a.m. 4.4 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.16 ppb (3) 21.4 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 4 a.m. 5.2 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.18 ppb (3) 26.3 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2020, 3 a.m. 6.6 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 22.9 μg/m3 (22) 10.2 μg/m3 (43) 43.0
 
Nov. 28, 2020, 2 a.m. 9.2 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.22 ppb (3) 33.6 μg/m3 (32) 7.9 μg/m3 (33) 33.0
 
Nov. 28, 2020, 1 a.m. 11.3 ppb (11) -0.1 ppb (0) N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.25 ppb (3) 35.7 μg/m3 (34) 7.1 μg/m3 (30) 34.0
 
Nov. 28, 2020, midnight 14.7 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 45.7 μg/m3 (43) 8.6 μg/m3 (36) 43.0
 
Nov. 27, 2020, 11 p.m. 12.7 ppb (12) 1.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 33.0 ppb (31) 0.23 ppb (3) 47.1 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Nov. 27, 2020, 10 p.m. 9.6 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.19 ppb (3) 46.2 μg/m3 (43) 5.6 μg/m3 (24) 43.0
 
Nov. 27, 2020, 9 p.m. 7.7 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.19 ppb (3) 56.5 μg/m3 (52) 5.2 μg/m3 (22) 52.0
 
Nov. 27, 2020, 8 p.m. 6.6 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.17 ppb (3) 59.6 μg/m3 (54) 3.7 μg/m3 (16) 54.0
 
Nov. 27, 2020, 7 p.m. 5.7 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.19 ppb (3) 58.4 μg/m3 (53) 1.9 μg/m3 (8) 53.0
 
Nov. 27, 2020, 6 p.m. 5.4 ppb (6) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 46.7 μg/m3 (44) 0.8 μg/m3 (4) 44.0
 
Nov. 27, 2020, 5 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.21 ppb (3) 56.2 μg/m3 (52) 4.7 μg/m3 (20) 52.0
 
Nov. 27, 2020, 4 p.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.17 ppb (3) 32.4 μg/m3 (30) 9.5 μg/m3 (40) 40.0
 
Nov. 27, 2020, 3 p.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.13 ppb (2) 42.5 μg/m3 (40) 9.5 μg/m3 (40) 40.0
 
Nov. 27, 2020, 2 p.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.11 ppb (2) 45.7 μg/m3 (43) 6.2 μg/m3 (26) 43.0
 
Nov. 27, 2020, 1 p.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.1 ppb (2) 37.1 μg/m3 (35) 7.1 μg/m3 (30) 35.0
 
Nov. 27, 2020, noon 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.12 ppb (2) 35.4 μg/m3 (33) 7.8 μg/m3 (33) 33.0
 
Nov. 27, 2020, 11 a.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.1 ppb (2) 34.6 μg/m3 (33) 5.2 μg/m3 (22) 33.0
 
Nov. 27, 2020, 10 a.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.11 ppb (2) 31.8 μg/m3 (30) 3.3 μg/m3 (14) 30.0
 
Nov. 27, 2020, 9 a.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.09 ppb (2) 25.1 μg/m3 (24) 5.6 μg/m3 (24) 24.0
 
Nov. 27, 2020, 8 a.m. 5.9 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.12 ppb (2) 27.3 μg/m3 (26) 8.8 μg/m3 (37) 37.0
 
Nov. 27, 2020, 7 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 17.5 μg/m3 (17) 4.9 μg/m3 (21) 29.0
 
Nov. 27, 2020, 6 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.07 ppb (2) 21.5 μg/m3 (20) 4.2 μg/m3 (18) 34.0
 
Nov. 27, 2020, 5 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.06 ppb (2) 17.6 μg/m3 (17) 5.2 μg/m3 (22) 34.0
 
Nov. 27, 2020, 4 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.06 ppb (2) 9.7 μg/m3 (9) 4.2 μg/m3 (18) 33.0
 
Nov. 27, 2020, 3 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.06 ppb (2) 21.2 μg/m3 (20) 5.2 μg/m3 (22) 34.0
 
Nov. 27, 2020, 2 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.06 ppb (2) 59.6 μg/m3 (54) 6.9 μg/m3 (29) 54.0
 
Nov. 27, 2020, 1 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.06 ppb (2) 59.4 μg/m3 (54) 6.4 μg/m3 (27) 54.0
 
Nov. 27, 2020, midnight 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.08 ppb (2) 33.7 μg/m3 (32) 6.3 μg/m3 (27) 36.0
 
Nov. 26, 2020, 11 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.09 ppb (2) 54.7 μg/m3 (51) 7.1 μg/m3 (30) 51.0
 
Nov. 26, 2020, 10 p.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.09 ppb (2) 47.4 μg/m3 (44) 7.4 μg/m3 (31) 44.0
 
Nov. 26, 2020, 9 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.12 ppb (2) 46.2 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Nov. 26, 2020, 8 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.22 ppb (3) 47.8 μg/m3 (45) 14.9 μg/m3 (57) 57.0
 
Nov. 26, 2020, 7 p.m. 6.8 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) 0.26 ppb (4) 42.3 μg/m3 (40) 18.2 μg/m3 (64) 64.0
 
Nov. 26, 2020, 6 p.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 44.0 ppb (41) 0.28 ppb (4) 41.3 μg/m3 (39) 13.4 μg/m3 (54) 54.0
 
Nov. 26, 2020, 5 p.m. 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 51.2 μg/m3 (48) 18.2 μg/m3 (64) 64.0
 
Nov. 26, 2020, 4 p.m. 11.8 ppb (12) 2.9 ppb (3) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.3 ppb (4) 33.8 μg/m3 (32) 21.3 μg/m3 (71) 71.0
 
Nov. 26, 2020, 3 p.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) 0.27 ppb (4) 34.8 μg/m3 (33) 19.1 μg/m3 (66) 66.0
 
Nov. 26, 2020, 2 p.m. 9.8 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 14.0 ppb (13) 0.3 ppb (4) 28.3 μg/m3 (27) 21.8 μg/m3 (72) 72.0
 
Nov. 26, 2020, 1 p.m. 11.7 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 10.0 ppb (10) 0.31 ppb (4) 35.1 μg/m3 (33) 22.8 μg/m3 (74) 74.0
 
Nov. 26, 2020, noon 10.8 ppb (11) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.29 ppb (4) 36.4 μg/m3 (34) 20.1 μg/m3 (68) 68.0
 
Nov. 26, 2020, 11 a.m. 9.0 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.3 ppb (4) 27.5 μg/m3 (26) 20.8 μg/m3 (70) 70.0
 
Nov. 26, 2020, 10 a.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 14.0 ppb (13) 0.31 ppb (4) 37.9 μg/m3 (36) 22.3 μg/m3 (73) 73.0
 
Nov. 26, 2020, 9 a.m. 9.1 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.33 ppb (4) 41.8 μg/m3 (39) 27.5 μg/m3 (84) 84.0
 
Nov. 26, 2020, 8 a.m. 10.0 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.33 ppb (4) 37.4 μg/m3 (35) 23.5 μg/m3 (75) 75.0
 
Nov. 26, 2020, 7 a.m. 12.2 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 13.0 ppb (13) 0.35 ppb (4) 38.1 μg/m3 (36) 22.0 μg/m3 (72) 72.0
 
Nov. 26, 2020, 6 a.m. 13.7 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.37 ppb (5) 36.6 μg/m3 (34) 23.7 μg/m3 (76) 76.0
 
Nov. 26, 2020, 5 a.m. 14.6 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.37 ppb (5) 34.1 μg/m3 (32) 22.5 μg/m3 (73) 73.0
 
Nov. 26, 2020, 4 a.m. 14.9 ppb (15) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.36 ppb (5) 34.4 μg/m3 (32) 16.6 μg/m3 (61) 61.0
 
Nov. 26, 2020, 3 a.m. 14.5 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.35 ppb (4) 33.2 μg/m3 (31) 20.0 μg/m3 (68) 68.0
 
Nov. 26, 2020, 2 a.m. 18.1 ppb (18) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 27.0 ppb (25) 0.38 ppb (5) 38.4 μg/m3 (36) 23.8 μg/m3 (76) 76.0
 
Nov. 26, 2020, 1 a.m. 19.2 ppb (19) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 37.0 ppb (35) 0.38 ppb (5) 48.4 μg/m3 (45) 23.0 μg/m3 (74) 74.0
 
Nov. 26, 2020, midnight 17.0 ppb (17) 0.2 ppb (1) N/A 17.0 ppb (17) N/A N/A 48.0 ppb (45) 0.35 ppb (4) 50.3 μg/m3 (47) 18.6 μg/m3 (65) 65.0
 
Nov. 25, 2020, 11 p.m. 24.6 ppb (24) 1.6 ppb (2) N/A 23.0 ppb (22) N/A N/A 45.0 ppb (42) 0.43 ppb (5) 57.1 μg/m3 (53) 21.4 μg/m3 (71) 71.0
 
Nov. 25, 2020, 10 p.m. 30.3 ppb (29) 3.7 ppb (4) N/A 27.0 ppb (26) N/A N/A 43.0 ppb (40) 0.5 ppb (6) 56.2 μg/m3 (52) 23.3 μg/m3 (75) 75.0
 
Nov. 25, 2020, 9 p.m. 36.6 ppb (35) 6.9 ppb (7) N/A 30.0 ppb (29) N/A N/A 37.0 ppb (35) 0.53 ppb (6) 58.6 μg/m3 (53) 25.3 μg/m3 (79) 79.0
 
Nov. 25, 2020, 8 p.m. 31.8 ppb (30) 6.8 ppb (7) N/A 25.0 ppb (24) N/A N/A 36.0 ppb (34) 0.47 ppb (6) 62.3 μg/m3 (55) 22.8 μg/m3 (74) 74.0
 
Nov. 25, 2020, 7 p.m. 35.0 ppb (34) 9.4 ppb (9) N/A 26.0 ppb (25) N/A N/A 29.0 ppb (27) 0.48 ppb (6) 58.0 μg/m3 (53) 21.8 μg/m3 (72) 72.0
 
Nov. 25, 2020, 6 p.m. 42.0 ppb (40) 14.0 ppb (14) N/A 28.0 ppb (27) N/A N/A 22.0 ppb (21) 0.5 ppb (6) 58.3 μg/m3 (53) 21.0 μg/m3 (70) 70.0
 
Nov. 25, 2020, 5 p.m. 46.8 ppb (45) 18.3 ppb (18) N/A 29.0 ppb (28) N/A N/A 16.0 ppb (15) 0.5 ppb (6) 52.2 μg/m3 (49) 19.1 μg/m3 (66) 66.0
 
Nov. 25, 2020, 4 p.m. 25.3 ppb (24) 7.5 ppb (8) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.35 ppb (4) 40.8 μg/m3 (38) 15.4 μg/m3 (58) 58.0
 
Nov. 25, 2020, 3 p.m. 14.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) 0.25 ppb (3) 22.3 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Nov. 25, 2020, 2 p.m. 10.7 ppb (11) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.19 ppb (3) 21.8 μg/m3 (21) 10.5 μg/m3 (44) 44.0
 
Nov. 25, 2020, 1 p.m. 8.4 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.17 ppb (3) 15.5 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Nov. 25, 2020, noon 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.17 ppb (3) 7.1 μg/m3 (7) 10.7 μg/m3 (45) 45.0
 
Nov. 25, 2020, 11 a.m. 9.2 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.22 ppb (3) 23.8 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
Nov. 25, 2020, 10 a.m. 11.9 ppb (12) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.26 ppb (4) 24.3 μg/m3 (23) 12.7 μg/m3 (53) 53.0
 
Nov. 25, 2020, 9 a.m. 12.6 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.26 ppb (4) 25.1 μg/m3 (24) 14.7 μg/m3 (57) 57.0