ID: 182

AQSQID: 060659001

Site Name: Lake Elsinore - W. Flint Street

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

Updated: Oct. 19, 2021, 11:03 a.m.

Location: Lake Elsinore (N Elsinore), CA

Reporting: True, Located: True

Current AQI: 23.0

Lake Elsinore (N Elsinore) CA, US: 33.676535, -117.331027

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 19, 2021, 9 a.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.17 ppb (3) 10.0 μg/m3 (10) -0.2 μg/m3 (0) 23.0
 
Oct. 19, 2021, 8 a.m. 8.5 ppb (9) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.2 ppb (3) 7.0 μg/m3 (7) 0.7 μg/m3 (3) 18.0
 
Oct. 19, 2021, 7 a.m. 5.9 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.19 ppb (3) 7.0 μg/m3 (7) -1.0 μg/m3 (0) 23.0
 
Oct. 19, 2021, 6 a.m. 4.6 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.17 ppb (3) 8.0 μg/m3 (8) 1.3 μg/m3 (6) 27.0
 
Oct. 19, 2021, 5 a.m. 2.9 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.15 ppb (2) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 32.0
 
Oct. 19, 2021, 4 a.m. 3.4 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.15 ppb (2) 11.0 μg/m3 (11) 4.3 μg/m3 (18) 33.0
 
Oct. 19, 2021, 3 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.15 ppb (2) 10.0 μg/m3 (10) 3.6 μg/m3 (16) 33.0
 
Oct. 19, 2021, 2 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.14 ppb (2) 7.0 μg/m3 (7) 1.8 μg/m3 (8) 35.0
 
Oct. 19, 2021, 1 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.14 ppb (2) 5.0 μg/m3 (5) -1.7 μg/m3 (0) 36.0
 
Oct. 19, 2021, midnight 1.7 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.13 ppb (2) 7.0 μg/m3 (7) -4.8 μg/m3 (0) 37.0
 
Oct. 18, 2021, 11 p.m. 1.8 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 6.0 μg/m3 (6) -1.2 μg/m3 (0) 38.0
 
Oct. 18, 2021, 10 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.14 ppb (2) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 40.0
 
Oct. 18, 2021, 9 p.m. 2.1 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.14 ppb (2) 10.0 μg/m3 (10) 2.8 μg/m3 (12) 41.0
 
Oct. 18, 2021, 8 p.m. 2.0 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.14 ppb (2) 9.0 μg/m3 (9) -2.2 μg/m3 (0) 40.0
 
Oct. 18, 2021, 7 p.m. 1.8 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 8.0 μg/m3 (8) 0.1 μg/m3 (1) 38.0
 
Oct. 18, 2021, 6 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 9.0 μg/m3 (9) 3.3 μg/m3 (14) 38.0
 
Oct. 18, 2021, 5 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 38.0
 
Oct. 18, 2021, 4 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) 13.0 μg/m3 (13) 5.7 μg/m3 (24) 38.0
 
Oct. 18, 2021, 3 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 18.0 μg/m3 (17) 6.9 μg/m3 (29) 40.0
 
Oct. 18, 2021, 2 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 11.0 μg/m3 (11) 6.7 μg/m3 (28) 33.0
 
Oct. 18, 2021, 1 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 16.0 μg/m3 (15) 5.7 μg/m3 (24) 27.0
 
Oct. 18, 2021, noon 6.6 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.2 ppb (3) 17.0 μg/m3 (16) 5.2 μg/m3 (22) 27.0
 
Oct. 18, 2021, 11 a.m. 7.2 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.2 ppb (3) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
Oct. 18, 2021, 10 a.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.19 ppb (3) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
Oct. 18, 2021, 9 a.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.19 ppb (3) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 32.0
 
Oct. 18, 2021, 8 a.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.16 ppb (3) 11.0 μg/m3 (11) 8.6 μg/m3 (36) 37.0
 
Oct. 18, 2021, 7 a.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.17 ppb (3) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 37.0
 
Oct. 18, 2021, 6 a.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.17 ppb (3) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 39.0
 
Oct. 18, 2021, 5 a.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.18 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 42.0
 
Oct. 18, 2021, 4 a.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.18 ppb (3) 15.0 μg/m3 (14) 3.4 μg/m3 (15) 44.0
 
Oct. 18, 2021, 3 a.m. 3.4 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.19 ppb (3) 18.0 μg/m3 (17) 6.9 μg/m3 (29) 44.0
 
Oct. 18, 2021, 2 a.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.21 ppb (3) 24.0 μg/m3 (23) 5.5 μg/m3 (23) 47.0
 
Oct. 18, 2021, 1 a.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.18 ppb (3) 16.0 μg/m3 (15) 2.1 μg/m3 (9) 51.0
 
Oct. 18, 2021, midnight 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) 0.18 ppb (3) 37.0 μg/m3 (35) 3.0 μg/m3 (13) 65.0
 
Oct. 17, 2021, 11 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) 0.15 ppb (2) 12.0 μg/m3 (12) 1.6 μg/m3 (7) 71.0
 
Oct. 17, 2021, 10 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.16 ppb (3) 16.0 μg/m3 (15) 1.6 μg/m3 (7) 74.0
 
Oct. 17, 2021, 9 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.16 ppb (3) 19.0 μg/m3 (18) 2.8 μg/m3 (12) 74.0
 
Oct. 17, 2021, 8 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.15 ppb (2) 11.0 μg/m3 (11) 2.8 μg/m3 (12) 74.0
 
Oct. 17, 2021, 7 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) 0.16 ppb (3) 11.0 μg/m3 (11) 2.1 μg/m3 (9) 68.0
 
Oct. 17, 2021, 6 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.22 ppb (3) 11.0 μg/m3 (11) 3.8 μg/m3 (16) 48.0
 
Oct. 17, 2021, 5 p.m. 6.0 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.25 ppb (3) 14.0 μg/m3 (13) 2.8 μg/m3 (12) 38.0
 
Oct. 17, 2021, 4 p.m. 9.9 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.31 ppb (4) 19.0 μg/m3 (18) 2.8 μg/m3 (12) 30.0
 
Oct. 17, 2021, 3 p.m. 18.3 ppb (18) 4.8 ppb (5) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.45 ppb (6) 28.0 μg/m3 (26) 2.6 μg/m3 (11) 26.0
 
Oct. 17, 2021, 2 p.m. 14.6 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.35 ppb (4) 20.0 μg/m3 (19) -0.5 μg/m3 (0) 19.0
 
Oct. 17, 2021, 1 p.m. 12.3 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.33 ppb (4) 20.0 μg/m3 (19) 2.6 μg/m3 (11) 19.0
 
Oct. 17, 2021, noon 9.4 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.3 ppb (4) 18.0 μg/m3 (17) 3.6 μg/m3 (16) 20.0
 
Oct. 17, 2021, 11 a.m. 10.8 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.34 ppb (4) 21.0 μg/m3 (20) 2.3 μg/m3 (10) 20.0
 
Oct. 17, 2021, 10 a.m. 11.7 ppb (12) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) 0.34 ppb (4) 26.0 μg/m3 (25) 15.2 μg/m3 (58) 58.0
 
Oct. 17, 2021, 9 a.m. 12.5 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.38 ppb (5) 26.0 μg/m3 (25) 5.7 μg/m3 (24) 25.0
 
Oct. 17, 2021, 8 a.m. 13.1 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.4 ppb (5) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Oct. 17, 2021, 7 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.39 ppb (5) 27.0 μg/m3 (25) 1.3 μg/m3 (6) 25.0
 
Oct. 17, 2021, 6 a.m. 12.5 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) 0.37 ppb (5) 24.0 μg/m3 (23) 2.6 μg/m3 (11) 23.0
 
Oct. 17, 2021, 5 a.m. 12.8 ppb (13) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) 0.35 ppb (4) 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Oct. 17, 2021, 4 a.m. 14.3 ppb (14) 0.2 ppb (1) N/A 14.0 ppb (14) N/A N/A 28.0 ppb (26) 0.37 ppb (5) 28.0 μg/m3 (26) 3.6 μg/m3 (16) 26.0
 
Oct. 17, 2021, 3 a.m. 12.4 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 34.0 ppb (32) 0.33 ppb (4) 22.0 μg/m3 (21) -0.3 μg/m3 (0) 32.0
 
Oct. 17, 2021, 2 a.m. 8.1 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 44.0 ppb (41) 0.26 ppb (4) 16.0 μg/m3 (15) -0.3 μg/m3 (0) 41.0
 
Oct. 17, 2021, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.16 ppb (3) 11.0 μg/m3 (11) 1.3 μg/m3 (6) 51.0
 
Oct. 17, 2021, midnight 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) 0.17 ppb (3) 11.0 μg/m3 (11) 0.0 μg/m3 (0) 58.0
 
Oct. 16, 2021, 11 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) 0.18 ppb (3) 15.0 μg/m3 (14) 0.4 μg/m3 (2) 78.0
 
Oct. 16, 2021, 10 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.16 ppb (3) 17.0 μg/m3 (16) -0.8 μg/m3 (0) 74.0
 
Oct. 16, 2021, 9 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) 0.14 ppb (2) 7.0 μg/m3 (7) -2.9 μg/m3 (0) 58.0
 
Oct. 16, 2021, 8 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) 0.14 ppb (2) 7.0 μg/m3 (7) -1.0 μg/m3 (0) 51.0
 
Oct. 16, 2021, 7 p.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) 0.15 ppb (2) 10.0 μg/m3 (10) 0.9 μg/m3 (4) 50.0
 
Oct. 16, 2021, 6 p.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.16 ppb (3) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 45.0
 
Oct. 16, 2021, 5 p.m. 8.0 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 13.0 μg/m3 (13) 5.5 μg/m3 (23) 36.0
 
Oct. 16, 2021, 4 p.m. 21.3 ppb (21) 5.7 ppb (6) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) 0.38 ppb (5) 24.0 μg/m3 (23) 2.6 μg/m3 (11) 23.0
 
Oct. 16, 2021, 3 p.m. 21.8 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) 0.36 ppb (5) 21.0 μg/m3 (20) 0.0 μg/m3 (0) 21.0
 
Oct. 16, 2021, 2 p.m. 18.9 ppb (18) 3.5 ppb (4) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.3 ppb (4) 16.0 μg/m3 (15) -3.1 μg/m3 (0) 18.0
 
Oct. 16, 2021, 1 p.m. 11.9 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) 0.24 ppb (3) 11.0 μg/m3 (11) -4.4 μg/m3 (0) 19.0
 
Oct. 16, 2021, noon 11.9 ppb (12) 0.5 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.22 ppb (3) 15.0 μg/m3 (14) -0.2 μg/m3 (0) 22.0
 
Oct. 16, 2021, 11 a.m. 10.6 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.22 ppb (3) 11.0 μg/m3 (11) 0.8 μg/m3 (4) 20.0
 
Oct. 16, 2021, 10 a.m. 8.2 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 25.0
 
Oct. 16, 2021, 9 a.m. 11.9 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.28 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 8 a.m. 11.3 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.27 ppb (4) 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Oct. 16, 2021, 7 a.m. 13.5 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) 0.31 ppb (4) 34.0 μg/m3 (32) 5.9 μg/m3 (25) 32.0
 
Oct. 16, 2021, 6 a.m. 12.9 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) 0.31 ppb (4) 24.0 μg/m3 (23) 0.4 μg/m3 (2) 24.0
 
Oct. 16, 2021, 5 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.24 ppb (3) 36.0 μg/m3 (34) -0.7 μg/m3 (0) 34.0
 
Oct. 16, 2021, 4 a.m. 6.4 ppb (7) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.2 ppb (3) 16.0 μg/m3 (15) 3.6 μg/m3 (16) 34.0
 
Oct. 16, 2021, 3 a.m. 4.3 ppb (5) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.16 ppb (3) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 38.0
 
Oct. 16, 2021, 2 a.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.17 ppb (3) 32.0 μg/m3 (30) 16.1 μg/m3 (60) 60.0
 
Oct. 16, 2021, 1 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.16 ppb (3) 25.0 μg/m3 (24) -3.6 μg/m3 (0) 42.0
 
Oct. 16, 2021, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.14 ppb (2) 15.0 μg/m3 (14) -2.6 μg/m3 (0) 44.0
 
Oct. 15, 2021, 11 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.14 ppb (2) 24.0 μg/m3 (23) 1.1 μg/m3 (5) 46.0
 
Oct. 15, 2021, 10 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.14 ppb (2) 19.0 μg/m3 (18) -0.8 μg/m3 (0) 47.0
 
Oct. 15, 2021, 9 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.14 ppb (2) 30.0 μg/m3 (28) 4.3 μg/m3 (18) 48.0
 
Oct. 15, 2021, 8 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.14 ppb (2) 30.0 μg/m3 (28) N/A 45.0
 
Oct. 15, 2021, 7 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.15 ppb (2) 17.0 μg/m3 (16) N/A 43.0
 
Oct. 15, 2021, 6 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.15 ppb (2) 19.0 μg/m3 (18) N/A 44.0
 
Oct. 15, 2021, 5 p.m. 5.9 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.18 ppb (3) 41.0 μg/m3 (38) N/A 38.0
 
Oct. 15, 2021, 4 p.m. 9.1 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.22 ppb (3) 58.0 μg/m3 (53) 5.0 μg/m3 (21) 53.0
 
Oct. 15, 2021, 3 p.m. 19.6 ppb (19) 4.7 ppb (5) N/A 15.0 ppb (15) N/A N/A 25.0 ppb (24) 0.32 ppb (4) 62.0 μg/m3 (55) 3.6 μg/m3 (16) 55.0
 
Oct. 15, 2021, 2 p.m. 33.7 ppb (32) 9.5 ppb (9) N/A 24.0 ppb (23) N/A N/A 15.0 ppb (14) 0.39 ppb (5) 30.0 μg/m3 (28) 3.6 μg/m3 (16) 32.0
 
Oct. 15, 2021, 1 p.m. 13.8 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) 0.26 ppb (4) 19.0 μg/m3 (18) 1.1 μg/m3 (5) 22.0
 
Oct. 15, 2021, noon 22.6 ppb (22) 2.5 ppb (3) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) 0.32 ppb (4) 17.0 μg/m3 (16) -1.2 μg/m3 (0) 22.0
 
Oct. 15, 2021, 11 a.m. 10.1 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.21 ppb (3) 14.0 μg/m3 (13) 2.8 μg/m3 (12) 23.0
 
Oct. 15, 2021, 10 a.m. 12.4 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) 0.25 ppb (3) 20.0 μg/m3 (19) 4.5 μg/m3 (19) 23.0
 
Oct. 15, 2021, 9 a.m. 14.8 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.33 ppb (4) 31.0 μg/m3 (29) 7.9 μg/m3 (33) 33.0
 
Oct. 15, 2021, 8 a.m. 17.9 ppb (17) 0.5 ppb (1) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) 0.37 ppb (5) 38.0 μg/m3 (36) 10.1 μg/m3 (43) 43.0
 
Oct. 15, 2021, 7 a.m. 22.6 ppb (22) 0.5 ppb (1) N/A 22.0 ppb (21) N/A N/A 16.0 ppb (15) 0.46 ppb (6) 39.0 μg/m3 (37) 8.6 μg/m3 (36) 37.0
 
Oct. 15, 2021, 6 a.m. 19.9 ppb (19) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (22) 0.43 ppb (5) 37.0 μg/m3 (35) 9.1 μg/m3 (38) 38.0
 
Oct. 15, 2021, 5 a.m. 23.4 ppb (23) 0.4 ppb (1) N/A 23.0 ppb (22) N/A N/A 25.0 ppb (24) 0.49 ppb (6) 36.0 μg/m3 (34) 8.2 μg/m3 (35) 35.0
 
Oct. 15, 2021, 4 a.m. 21.5 ppb (21) 0.3 ppb (1) N/A 21.0 ppb (20) N/A N/A 31.0 ppb (29) 0.41 ppb (5) 39.0 μg/m3 (37) 9.3 μg/m3 (39) 39.0
 
Oct. 15, 2021, 3 a.m. 10.6 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 47.0 ppb (44) 0.29 ppb (4) 37.0 μg/m3 (35) 9.3 μg/m3 (39) 44.0
 
Oct. 15, 2021, 2 a.m. 16.4 ppb (16) 0.1 ppb (1) N/A 16.0 ppb (16) N/A N/A 43.0 ppb (40) 0.34 ppb (4) 44.0 μg/m3 (41) 5.5 μg/m3 (23) 41.0
 
Oct. 15, 2021, 1 a.m. 9.4 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 50.0 ppb (47) 0.24 ppb (3) 29.0 μg/m3 (27) 2.1 μg/m3 (9) 47.0
 
Oct. 15, 2021, midnight 6.5 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (51) 0.21 ppb (3) 24.0 μg/m3 (23) -1.0 μg/m3 (0) 51.0
 
Oct. 14, 2021, 11 p.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) 0.18 ppb (3) 22.0 μg/m3 (21) 1.1 μg/m3 (5) 50.0
 
Oct. 14, 2021, 10 p.m. 4.6 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.18 ppb (3) 21.0 μg/m3 (20) 3.3 μg/m3 (14) 50.0
 
Oct. 14, 2021, 9 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.17 ppb (3) 20.0 μg/m3 (19) 1.6 μg/m3 (7) 50.0
 
Oct. 14, 2021, 8 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) 0.17 ppb (3) 19.0 μg/m3 (18) 0.0 μg/m3 (0) 50.0
 
Oct. 14, 2021, 7 p.m. 7.3 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.2 ppb (3) 27.0 μg/m3 (25) 3.5 μg/m3 (15) 46.0
 
Oct. 14, 2021, 6 p.m. 6.9 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.23 ppb (3) 25.0 μg/m3 (24) 5.3 μg/m3 (23) 46.0
 
Oct. 14, 2021, 5 p.m. 8.8 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 44.0 ppb (41) 0.25 ppb (3) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 41.0
 
Oct. 14, 2021, 4 p.m. 22.2 ppb (21) 6.3 ppb (6) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) 0.38 ppb (5) 38.0 μg/m3 (36) 8.2 μg/m3 (35) 36.0
 
Oct. 14, 2021, 3 p.m. 34.7 ppb (33) 12.1 ppb (12) N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) 0.49 ppb (6) 45.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Oct. 14, 2021, 2 p.m. 42.2 ppb (40) 16.4 ppb (16) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.52 ppb (6) 41.0 μg/m3 (38) 5.8 μg/m3 (25) 40.0
 
Oct. 14, 2021, 1 p.m. 42.1 ppb (40) 13.2 ppb (13) N/A 29.0 ppb (28) N/A N/A 3.0 ppb (3) 0.47 ppb (6) 38.0 μg/m3 (36) 6.7 μg/m3 (28) 40.0
 
Oct. 14, 2021, noon 31.5 ppb (30) 6.6 ppb (7) N/A 25.0 ppb (24) N/A N/A 4.0 ppb (4) 0.42 ppb (5) 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
Oct. 14, 2021, 11 a.m. 20.4 ppb (20) 1.6 ppb (2) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.36 ppb (5) 26.0 μg/m3 (25) 6.3 μg/m3 (27) 27.0
 
Oct. 14, 2021, 10 a.m. 13.4 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.3 ppb (4) 24.0 μg/m3 (23) 6.7 μg/m3 (28) 28.0
 
Oct. 14, 2021, 9 a.m. 14.0 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.3 ppb (4) 25.0 μg/m3 (24) 5.7 μg/m3 (24) 24.0
 
Oct. 14, 2021, 8 a.m. 15.1 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.32 ppb (4) 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2021, 7 a.m. 15.3 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.33 ppb (4) 30.0 μg/m3 (28) 7.7 μg/m3 (33) 33.0
 
Oct. 14, 2021, 6 a.m. 15.1 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.33 ppb (4) 32.0 μg/m3 (30) 6.2 μg/m3 (26) 30.0
 
Oct. 14, 2021, 5 a.m. 16.1 ppb (16) 0.3 ppb (1) N/A 16.0 ppb (16) N/A N/A 26.0 ppb (25) 0.37 ppb (5) 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 4 a.m. 13.4 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.32 ppb (4) 34.0 μg/m3 (32) 8.9 μg/m3 (38) 38.0
 
Oct. 14, 2021, 3 a.m. 11.4 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 37.0 ppb (35) 0.27 ppb (4) 25.0 μg/m3 (24) 5.6 μg/m3 (24) 35.0
 
Oct. 14, 2021, 2 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.22 ppb (3) 20.0 μg/m3 (19) 2.6 μg/m3 (11) 43.0
 
Oct. 14, 2021, 1 a.m. 5.7 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.21 ppb (3) 22.0 μg/m3 (21) 6.0 μg/m3 (25) 46.0
 
Oct. 14, 2021, midnight 5.8 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (49) 0.22 ppb (3) 24.0 μg/m3 (23) 9.1 μg/m3 (38) 49.0
 
Oct. 13, 2021, 11 p.m. 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (50) 0.23 ppb (3) 26.0 μg/m3 (25) 7.2 μg/m3 (31) 50.0
 
Oct. 13, 2021, 10 p.m. 4.4 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) 0.21 ppb (3) 29.0 μg/m3 (27) 6.2 μg/m3 (26) 58.0
 
Oct. 13, 2021, 9 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) 0.16 ppb (3) 18.0 μg/m3 (17) 2.4 μg/m3 (10) 49.0
 
Oct. 13, 2021, 8 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.16 ppb (3) 13.0 μg/m3 (13) 2.1 μg/m3 (9) 46.0
 
Oct. 13, 2021, 7 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.17 ppb (3) 13.0 μg/m3 (13) 1.1 μg/m3 (5) 43.0
 
Oct. 13, 2021, 6 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.19 ppb (3) 14.0 μg/m3 (13) -0.5 μg/m3 (0) 40.0
 
Oct. 13, 2021, 5 p.m. 9.2 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.25 ppb (3) 18.0 μg/m3 (17) 2.9 μg/m3 (13) 35.0
 
Oct. 13, 2021, 4 p.m. 20.1 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.38 ppb (5) 35.0 μg/m3 (33) 5.8 μg/m3 (25) 33.0
 
Oct. 13, 2021, 3 p.m. 34.9 ppb (33) 13.2 ppb (13) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) 0.46 ppb (6) 66.0 μg/m3 (57) 14.5 μg/m3 (57) 57.0
 
Oct. 13, 2021, 2 p.m. 42.1 ppb (40) 15.9 ppb (15) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.48 ppb (6) 40.0 μg/m3 (38) 7.3 μg/m3 (31) 40.0
 
Oct. 13, 2021, 1 p.m. 34.0 ppb (33) 7.7 ppb (8) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.43 ppb (5) 38.0 μg/m3 (36) 5.2 μg/m3 (22) 36.0
 
Oct. 13, 2021, noon 25.5 ppb (25) 2.5 ppb (3) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.35 ppb (4) 31.0 μg/m3 (29) 5.1 μg/m3 (22) 29.0
 
Oct. 13, 2021, 11 a.m. 22.0 ppb (21) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) 0.29 ppb (4) 39.0 μg/m3 (37) 2.5 μg/m3 (11) 37.0
 
Oct. 13, 2021, 10 a.m. 18.0 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.28 ppb (4) 30.0 μg/m3 (28) 0.7 μg/m3 (3) 28.0
 
Oct. 13, 2021, 9 a.m. 11.7 ppb (12) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.27 ppb (4) 22.0 μg/m3 (21) 2.7 μg/m3 (12) 21.0
 
Oct. 13, 2021, 8 a.m. 10.5 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.26 ppb (4) 22.0 μg/m3 (21) 2.2 μg/m3 (10) 21.0
 
Oct. 13, 2021, 7 a.m. 11.4 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) 0.26 ppb (4) 25.0 μg/m3 (24) 1.2 μg/m3 (5) 24.0
 
Oct. 13, 2021, 6 a.m. 19.1 ppb (19) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) 0.39 ppb (5) 28.0 μg/m3 (26) 2.0 μg/m3 (9) 26.0
 
Oct. 13, 2021, 5 a.m. 13.2 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) 0.3 ppb (4) 23.0 μg/m3 (22) 6.1 μg/m3 (26) 26.0
 
Oct. 13, 2021, 4 a.m. 17.3 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.35 ppb (4) 25.0 μg/m3 (24) 4.6 μg/m3 (20) 24.0
 
Oct. 13, 2021, 3 a.m. 17.7 ppb (17) 0.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (24) 0.34 ppb (4) 25.0 μg/m3 (24) -2.3 μg/m3 (0) 24.0
 
Oct. 13, 2021, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.19 ppb (3) 18.0 μg/m3 (17) -3.2 μg/m3 (0) 38.0
 
Oct. 13, 2021, 1 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.17 ppb (3) 25.0 μg/m3 (24) -0.6 μg/m3 (0) 43.0
 
Oct. 13, 2021, midnight 2.5 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.17 ppb (3) 31.0 μg/m3 (29) 2.5 μg/m3 (11) 45.0
 
Oct. 12, 2021, 11 p.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.17 ppb (3) 32.0 μg/m3 (30) 3.7 μg/m3 (16) 44.0
 
Oct. 12, 2021, 10 p.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.16 ppb (3) 20.0 μg/m3 (19) 1.5 μg/m3 (7) 44.0
 
Oct. 12, 2021, 9 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.16 ppb (3) 22.0 μg/m3 (21) 0.7 μg/m3 (3) 43.0
 
Oct. 12, 2021, 8 p.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) 22.0 μg/m3 (21) 2.0 μg/m3 (9) 41.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -1.1 μg/m3 (0) 14.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) -0.4 μg/m3 (0) 19.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 1.7 μg/m3 (8) 20.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 1.7 μg/m3 (8) 24.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 4.4 μg/m3 (19) 41.0
 
Oct. 12, 2021, 2 p.m. 19.3 ppb (19) 2.5 ppb (3) N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) 0.32 ppb (4) 54.0 μg/m3 (50) 5.8 μg/m3 (25) 50.0
 
Oct. 12, 2021, 1 p.m. 9.8 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 52.0 μg/m3 (49) 4.4 μg/m3 (19) 49.0
 
Oct. 12, 2021, noon 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.16 ppb (3) 50.0 μg/m3 (47) 2.7 μg/m3 (12) 47.0
 
Oct. 12, 2021, 11 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 58.0 μg/m3 (53) 3.4 μg/m3 (15) 53.0
 
Oct. 12, 2021, 10 a.m. 2.2 ppb (3) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 73.0 μg/m3 (60) 0.1 μg/m3 (1) 60.0